Fits select 2018-2026 Mercedes-Benz G550, GLE580, GLS580, Maybach S580, S560, and S580 models.

The K&N 33-3183 High-Flow Air Filter is a performance-oriented drop-in replacement designed to optimize airflow and filtration for Mercedes-Benz luxury sedans and SUVs. Built with multiple layers of premium oiled cotton media, this filter replaces the restrictive factory paper element, allowing for improved engine breathability while maintaining strict filtration standards to protect internal engine components. As a direct-fit replacement, it installs easily into the factory air box without modifications.

• High-flow, layered oiled cotton media provides superior airflow and filtration efficiency
• Direct drop-in design replaces OE air filter in the factory housing
• Washable and reusable construction engineered for the lifespan of the vehicle
• Reduces environmental waste compared to disposable paper filters
• Precision-molded frame ensures a secure, leak-free seal within the air box
• Manufacturer Part Number: 33-3183

Fits select 2023-2026 Lexus and Toyota models including RX500h, TX500h, TX550h+, Crown, and Grand Highlander (L3-1.0L).

The K&N 33-3179 High-Flow Air Filter is engineered to improve engine performance by increasing airflow while maintaining critical filtration standards. Utilizing K&N's signature layered, oiled cotton media, this drop-in replacement captures contaminants effectively while providing a less restrictive path for air compared to traditional paper filters. Designed to install directly into your factory air box, this filter offers a simple performance upgrade without requiring permanent modifications.

Built for the long haul, this washable and reusable filter is backed by K&N’s No-Hassle Lifetime Limited Warranty, making it a sustainable and cost-effective alternative to disposable filters. This filter ensures your engine breathes better while remaining protected by high-quality filtration media.

• Manufacturer Part Number: 33-3179
• Media Material: Layered, oiled cotton gauze
• Installation: Direct drop-in replacement for OE housing
• Maintenance: Washable and reusable for the life of the vehicle
• Warranty: K&N No-Hassle Lifetime Limited Warranty

Vehicle Fitment:

• 2025 Lexus RX500h Black Line Special Edition
• 2023, 2025 Lexus RX500h F Sport Performance
• 2024 Lexus RX500h F Sport Performance Premium
• 2024-2025 Lexus TX500h F Sport Performance Luxury
• 2024-2026 Lexus TX500h F Sport Performance Premium
• 2024-2026 Lexus TX550h+ Luxury
• 2023-2026 Toyota Crown Platinum
• 2024-2026 Toyota Grand Highlander Hybrid Limited
• 2026 Toyota Grand Highlander Hybrid Nightshade
• 2024-2026 Toyota Grand Highlander Hybrid Platinum

Fits select 2007-2015 Mercedes-Benz E320, E350, GL320, GL350, ML320, ML350, R320, and R350 (3.0L).

K&N washable, reusable High-Flow Air Filters feature a performance-oriented design of layered, oiled cotton media engineered to improve airflow and capture contaminants more effectively than traditional paper filters. These drop-in replacement filters are designed to install easily into your factory air box, providing a sustainable and performance-driven upgrade for your Mercedes-Benz diesel engine.

Each filter is engineered to last for the entire lifespan of your vehicle and is backed by K&N's 10-Year/Million Mile Limited Warranty. By choosing a reusable filter, you reduce the waste associated with disposable filters while maintaining high filtration standards and engine protection.

• Manufacturer Part Number: 33-2940
• Quantity: 2 Filters per box
• Filter Material: Oiled Cotton Gauze
• Fitment Type: Direct OE Replacement
• Maintenance: Washable and reusable for the life of the vehicle
• Warranty: 10-Year/Million Mile Limited Warranty

Fits select 2011-2020 Mercedes-Benz CL, CLS, E, G, GL, GLE, GLS, ML, S, and SL-Class models.

This K&N 33-2474 replacement air filter set is engineered to improve airflow and capture contaminants using a state-of-the-art layered, oiled cotton media. Designed as a direct drop-in replacement for your factory air box, these high-flow filters provide an increase in horsepower and torque by reducing airflow restriction. Unlike disposable paper filters, K&N filters are washable, reusable, and built to last the entire lifespan of your vehicle.

• Includes two (2) high-flow air filters
• Washable and reusable oiled cotton media
• Direct fit into factory air box for easy installation
• Reduces environmental waste from disposable filters
• Backed by K&N 10-Year/Million Mile Limited Warranty

Technical Specifications:

• Manufacturer Part Number: 33-2474
• Length (Outside): 12.563 in
• Width (Outside): 5.25 in
• Height: 1.625 in
• Filter Material: Oiled Cotton Gauze

Fits 2010-2018 Ford Mustang Shelby GT350, GT350R, and GT500.

This Ford Racing high-flow air filter element (M-9601-G) is the same unit used in Ford Racing cold air induction kits, designed to optimize intake efficiency without the maintenance hassle of oiled filters. Engineered with multi-layer cotton gauze, it provides superior filtration while significantly reducing air restriction compared to standard factory paper elements. The oil-free design ensures your MAF sensors remain free of contamination, while the blue filter media adds a distinct look to your engine bay.

• Manufacturer Part Number: M-9601-G
• High-flow multi-layer cotton gauze construction
• Oil-free maintenance: wash with mild detergent, rinse, and air dry
• Fully cleanable and reusable for extended service life
• Precision hand-built using high-grade materials
• Direct replacement for filters in Ford Racing induction kits
• Blue color media
• Made in the USA

Fits 2014-2015 Ford Fiesta ST.

The Cobb Stage 1 Power Package is the premier entry-level tuning solution for the Fiesta ST platform, designed to improve engine efficiency and power delivery without requiring extensive mechanical modifications. By combining the industry-leading Accessport V3 handheld programmer with a high-flow intake upgrade, this kit provides a calibrated path to increased torque and horsepower while maintaining factory-like drivability.

• Accessport V3: Features a high-resolution screen, customizable multi-gauge display, and pre-loaded Stage 1 Off-The-Shelf (OTS) maps for immediate performance gains.
• High-Flow Filtration: Includes a washable, reusable air filter designed to increase airflow into the turbocharger while maintaining superior filtration standards.
• Plug-and-Play: Simple installation that requires no permanent vehicle modifications; allows for easy reverting to stock settings if needed.
• Manufacturer Part Number: 62FX11

The BMC FB986/20 Replacement Panel Air Filter is a high-performance drop-in solution designed for the 2018 Porsche Panamera II (971) (2.9L). Engineered to replace the restrictive factory paper element, this filter utilizes multi-layered cotton gauze soaked in low-viscosity oil to capture impurities while significantly improving airflow for better engine response.

• Direct Fit: Designed to install directly into the OEM airbox with no modifications required.
• Advanced Media: Features multi-layered cotton filtration media protected by an epoxied alloy mesh to resist fuel vapors and oxidation.
• Reusable Design: Fully washable and regenerable using BMC cleaning kits, eliminating the need for disposable paper filters.
• F1 Heritage: Manufactured to the same exacting standards BMC uses for its Formula 1 and endurance racing partners.
• MPN: FB986/20

Fits the 2018 Mercedes AMG GT4 (X290) 43 (3.0L).

This BMC high-performance replacement panel air filter (part number FB956/20) is a direct drop-in upgrade for the factory intake system. Designed for enthusiasts seeking better engine breathing without compromising filtration, BMC filters utilize a multi-layered cotton gauze media treated with low-viscosity oil. This construction allows for a higher volume of air to reach the intake compared to standard paper elements, reducing pressure drop while capturing impurities down to 7 microns.

• Direct Fit: Designed to replace the OE filter in the factory airbox with no modifications required.
• Premium Construction: Features a continuous polyurethane frame to prevent distortion and ensure a precise, leak-free seal.
• Race-Proven Media: Multi-layer oiled cotton gauze protected by an epoxy-coated alloy mesh for structural integrity and corrosion resistance.
• Sustainable Design: Fully washable and reusable with BMC regeneration kits, eliminating the need for frequent disposables.
• Part Number: FB956/20

Fits 2016-2024 Porsche Boxster and Boxster S models (2.0L).

The BMC FB926/20 is a high-performance replacement panel air filter designed to provide superior airflow and filtration over the factory paper element. Engineered for the 718-generation intake system, this filter utilizes a multi-layered cotton gauze media soaked in low-viscosity oil to capture impurities as small as 7 microns without restrictive pressure drops.

BMC filters are manufactured using a specialized "Full Moulding" process, which creates the iconic red filter from a single mold with no welded joints. This construction ensures the filter is highly durable and maintains its shape under high-stress conditions. The media is reinforced with an epoxy-coated alloy mesh, protecting the cotton from intake debris and providing structural integrity.

• Direct drop-in replacement for the OE air filter
• Multi-layered cotton gauze media for high permeability
• Epoxy-coated alloy mesh for corrosion resistance and strength
• Washable and reusable for long-term service life
• Manufacturer Part Number: FB926/20

Fits select 2013-2018 BMW X5 (F15/F85) 50iX models.

This BMC FB866/04 high-performance air filter kit is a direct-fit replacement for the restrictive factory paper filters in your BMW X5. Engineered for enthusiasts seeking improved induction efficiency without compromising filtration, these filters utilize a multi-layered cotton gauze media soaked in low-viscosity oil, secured between two epoxy-coated aluminum alloy mesh screens. This construction provides a larger surface area and lower pressure drop compared to OE filters, supporting more consistent performance across the RPM range.

• Direct replacement for OEM panel filters, fitting the factory airbox
• Increased airflow for improved engine responsiveness
• Washable and reusable design for long-term durability
• Full kit includes both filters required for the V8 intake system
• Constructed with high-quality materials to resist fuel vapors and oxidation
• Manufacturer Part Number: FB866/04

Fits 2016 Mercedes-Benz C400 (W205, A205, C205, S205) models.

The BMC FB833/20 high-performance panel air filter is a direct replacement for the restrictive factory paper element. Designed to provide increased airflow and filtration efficiency, this filter is constructed using a multi-layered cotton gauze media soaked in low-viscosity oil. This allows for superior air permeability while trapping impurities as small as 7 microns to protect your engine's internal components.

The filter features an epoxy-coated alloy mesh for structural rigidity and resistance against petrol fumes and oxidation. Unlike disposable OE filters, this unit is washable and reusable, providing long-term value and consistent performance.

• Direct replacement for factory panel filter
• Multi-layer cotton gauze media for high flow and filtration
• Washable and reusable design
• Epoxy-coated alloy mesh protects against oxidation
• Manufacturer Part Number: FB833/20

Note: This vehicle application requires two (2) filters for a complete replacement. These are sold individually.

Optimize your intake system's efficiency with the BMC FB593/04 high-flow replacement panel air filter, engineered specifically for the 2009+ Porsche 911 (997.2) 3.8 Turbo. This performance filter serves as a direct-fit replacement for the restrictive factory paper element, utilizing multi-layered cotton gauze media to provide a significant increase in airflow while maintaining filtration standards down to 7 microns.

• Precision Engineering: Designed to drop directly into the factory airbox for an airtight, secure seal.
• High-Flow Media: Multi-layered cotton gauze soaked in low-viscosity oil ensures maximum air volume and excellent debris capture.
• Robust Construction: Features a one-piece red polyurethane frame molded to eliminate potential leaks and resist thermal deformation.
• Sustainable Performance: This filter is fully washable and reusable, designed to last the lifetime of the vehicle when maintained with BMC cleaning kits.
• Manufacturer Part Number: FB593/04

Fits 1993-1997 Porsche 911 (993) Carrera models (3.6L).

The BMC FB136/04 Replacement Panel Air Filter is a high-performance drop-in solution designed to replace the restrictive factory paper element. Engineered for the 993-generation Porsche 911, this filter utilizes multi-layered cotton gauze media soaked in low-viscosity oil to capture impurities as small as 7 microns while significantly increasing air permeability for better engine efficiency.

• Direct replacement for the OEM air filter in the factory air box
• Constructed with epoxy-coated alloy mesh to ensure fuel vapor resistance and structural integrity
• One-piece molding system (Full Moulding) prevents breakages and leaks
• Washable and reusable for the life of the vehicle
• Manufacturer Part Number: FB136/04

Fits 2000-2007 BMW M3 (E46) models (3.2L).

The BMC FB132/01 is a high-performance replacement panel air filter engineered to optimize airflow while maintaining superior filtration. This direct-fit element replaces the restrictive factory paper filter in your E46 M3 airbox, utilizing a multi-layered cotton gauze media that allows for increased oxygen delivery to the engine for improved combustion efficiency.

• Precision-engineered drop-in replacement for the OEM air filter.
• Constructed with multi-layered cotton gauze soaked in low-viscosity oil to capture impurities down to 7 microns.
• Reinforced with an epoxy-coated alloy mesh to ensure structural integrity against intake pressure and fuel vapors.
• One-piece molding process ensures a perfect seal and prevents bypass of unfiltered air.
• Washable and reusable design provides a long-lasting alternative to disposable filters.
• Manufacturer Part Number: FB132/01

Fits 2019+ BMW X5 M (F95) and X6 M (F96).

The BMC FB01103 high-performance replacement panel air filter is designed to replace the restrictive factory paper filter in your BMW. Engineered for increased airflow and filtration efficiency, this filter features a multi-layered cotton gauze media soaked with low-viscosity oil to trap impurities while maintaining high permeability. The filter is housed in a durable, molded rubber frame to ensure a precise, airtight seal within the factory airbox.

• Direct drop-in replacement for original equipment
• Washable and reusable for extended service life
• Multi-layered cotton gauze filtration media
• Epoxy-coated alloy mesh for structural integrity
• Precision fit for BMW F95/F96 chassis airboxes
• Manufacturer Part Number: FB01103

Fits select 2017-2024 Porsche Cayenne III (9YA) models equipped with the 4.0L V8 engine.

The BMC FB01023 Replacement Panel Air Filter is a high-performance drop-in upgrade designed to replace the restrictive factory paper element. Constructed using a multi-layer cotton gauze media soaked in low-viscosity oil, this filter provides increased airflow while maintaining a high filtration efficiency of 98.5% for particles as small as 7 microns. The single-piece molding process ensures a durable frame that eliminates the risk of breakage or leaking at the edges.

• Precision fit for the factory airbox to maintain an airtight seal
• Epoxy-coated alloy mesh protects the filter media from heat and debris
• Pre-oiled and ready for immediate installation
• Washable and reusable using BMC cleaning kits for a lifetime of service
• Manufacturer Part Number: FB01023

Fits 2017-2024 McLaren 720S (4.0L).

The BMC FB01022 Full Kit is a high-performance intake solution designed to replace the restrictive factory paper elements in the McLaren 720S. Engineered specifically for the 4.0L twin-turbocharged engine, these filters utilize a multi-layered cotton gauze media soaked in low-viscosity oil to capture impurities as small as 7 microns while significantly increasing airflow volume to the combustion chamber.

Constructed using a specialized molding process that results in a single-piece filter with no welded joints, these units eliminate the risk of breakage under high-pressure conditions. The filter media is protected by an epoxy-coated alloy mesh, ensuring structural integrity and resistance to fuel vapors and oxidation. This drop-in kit provides a precision seal within the factory airbox for an immediate improvement in engine breathing and throttle response.

• Manufacturer Part Number: FB01022
• Includes a complete set of filters for the 4.0L powerplant
• Washable and reusable filtration media for long-term service
• F1-derived technology for street and track applications
• High-flow design with superior filtration efficiency compared to OE paper

Fits 2011-2013 Ford F-150 (FX2, FX4, King Ranch, Lariat, Limited, Platinum, XL, and XLT).

The aFe MagnumFLOW Pro-GUARD 7 Stage 2 replacement air filter is designed to provide maximum engine protection and high-velocity airflow. It features a specialized 7-layer media construction, combining five layers of progressively finer mesh cotton gauze with two layers of synthetic media. This hybrid "oiled" conical design offers superior dust-holding capacity, allowing for longer service intervals between cleanings while maintaining horsepower and torque gains.

Constructed for longevity and a perfect fit, the filter features a 100% 55-Shore A polyurethane top and base. The pliable polyurethane flange is engineered with integrated bumps to ensure a tight, leak-proof seal against the intake housing over the life of the part. This filter is fully washable and reusable, providing a sustainable performance solution for your vehicle.

• Filter Media: Pro-GUARD 7 (5 layers of cotton gauze / 2 layers of synthetic)
• Construction: 100% 55-Shore A polyurethane top, base, and flange
• Efficiency: High-flow oiled design with tall, evenly spaced pleats
• Maintenance: Washable and reusable with soap and water
• Compliance: 50-state emissions legal
• Warranty: Limited lifetime warranty
• Manufacturer Part Number: 72-90069M

Fits 2013-2020 Acura TLX and Honda Accord (3.5L).

The aFe Power Magnum FLOW PRO DRY S replacement air filter (MPN 31-10258) is engineered to outflow factory paper filters for improved performance and protection. This non-oiled OE replacement filter features three layers of progressive synthetic media, offering a balance of airflow and filtration efficiency without the maintenance hassle of oiling. The tall, evenly spaced pleats provide excellent dust-holding capacity, allowing for longer service intervals between cleanings.

• Oil-Free Media: Three layers of progressive synthetic (Dry) media provide maximum convenience and easy maintenance.
• Superior Construction: A 100-percent polyurethane frame on all sides provides extra long filter life and resists heat and chemical degradation.
• Precision Fit: An integrated urethane bump seal ensures a tight, leak-free seal over the life of the filter, fitting perfectly into the factory housing.
• Sustainable Performance: This filter is fully washable and reusable for multiple cleaning cycles, replacing disposable paper filters.

Fits select 2009-2016 BMW 528i (F10), X1, and Z4 (L4-2.0L Turbo N20).

The aFe Power MagnumFLOW OER PDS (Pro DRY S) air filter is a high-performance OE replacement designed to outflow restrictive stock paper filters for improved throttle response and protection. This non-oiled air filter is constructed with three layers of progressive synthetic media for maximum convenience, providing years of hassle-free service without the need for filter oils.

• Pro DRY S Media: Three layers of progressive synthetic (dry) media offer maximum convenience and are washable for multiple cleaning cycles.
• Premium Construction: A 100-percent polyurethane boxed frame on all sides ensures structural integrity and an extra-long service life.
• High-Capacity Design: Tall, open, and evenly spaced pleats provide superior dust-holding capacity and longer intervals between cleanings.
• Precision Seal: An integrated urethane bump seal ensures a tight, leak-free fit within the factory air housing.
• MPN: 31-10227

Fits select 1986-1997 BMW 3-Series, 5-Series, 7-Series, and 8-Series models. This aFe MagnumFLOW Pro DRY S (OER) air filter is a high-performance, oil-free replacement for your factory paper element, designed to increase airflow while maintaining maximum convenience.

Constructed with three layers of progressive synthetic media, this filter provides excellent dust-holding capacity and filtration efficiency without the need for filter oils. The 100-percent polyurethane frame provides a rigid, durable foundation that resists heat and chemical degradation over time. To ensure a factory-perfect fit, aFe incorporates an integrated urethane bump seal that compresses against the airbox housing for a leak-free seal.

• Pro DRY S Media: Three layers of oil-free synthetic media for maximum convenience and easy maintenance.
• Washable and Reusable: Designed for multiple cleaning cycles to provide years of service.
• Durable Construction: 100% polyurethane frame on all sides ensures a long filter life and structural integrity.
• Integrated Bump Seal: Provides a tight, no-leak seal over the life of the filter.
• Performance Upgrade: Engineered to outflow stock paper filters for improved throttle response.
• MPN: 31-10047

Fits select 1981-2024 Nissan, Infiniti, Subaru, Isuzu, and Saab vehicles (including Altima, Maxima, Murano, Pathfinder, and WRX models).

The aFe Power MagnumFLOW OER Pro DRY S performance air filter provides a direct OE-replacement upgrade that balances flow, protection, and maintenance convenience. Designed to replace restrictive factory paper filters, this drop-in unit features three layers of progressive synthetic media that require no oiling. The dry media is easily serviced—simply wash and reuse for multiple cleaning cycles, ensuring long-term filtration efficiency without the risk of fouling MAF sensors.

Constructed for durability, the filter is housed in a 100-percent polyurethane frame that resists heat and chemical degradation. Unlike standard filters, aFe uses a progressive bump seal design to ensure a leak-free, airtight fit within the factory airbox, even after years of use. This rigid construction prevents filter collapse or bypass, ensuring only clean air reaches your intake tract.

• Manufacturer Part Number: 31-10010
• Filter Media: Pro DRY S 3-Layer Progressive Synthetic (Non-Oiled)
• Frame Material: High-temperature 100% Polyurethane
• Seal Type: Integrated Progressive Bump Seal
• Maintenance: Fully washable and reusable
• Installation: Direct drop-in replacement for factory housing

Protect your engine and maximize airflow with the Injen SuperNano-Web dry air filter (MPN X-1116-BB). This high-performance conical filter is designed for select Injen Evolution intake systems using a Twist Lock mounting base, but it also serves as a versatile universal filter for custom applications. Unlike traditional cotton gauze filters, the SuperNano-Web media features a proprietary dry membrane that requires zero oil, eliminating the risk of oil-fouling sensitive MAF sensors.

• Maintenance: 100% cleanable using a light blast of compressed air; no washing or oiling required.
• Construction: Features deep pleats for increased surface area and a closed Inertia Cone Top to optimize air induction.
• Secure Fitment: The 5.00" flange includes integrated ridges for a leak-free seal and is secured with a stainless steel band clamp featuring an inner protective liner.
• Baja Proven: Lab-tested and race-refined in harsh desert environments to ensure high filtration efficiency without sacrificing horsepower.

• Manufacturer Part Number: X-1116-BB
• Filter Shape: Conical
• Flange Inside Diameter: 5.00"
• Base Outside Diameter: 8.00" (Twist Lock)
• Media Height: 7.90"
• Overall Height: 9.40" +/- .150"
• Top Outside Diameter: 5.30" (Closed Inertia Top)
• Flange Height: 1.00"
• Origin: Made in Pomona, California, USA
• Warranty: Injen Technology Limited Lifetime Warranty

The Injen SuperNano-Web dry air filter (X-1104-BB) is a high-performance replacement component designed for use with select Injen Evolution intake systems and universal applications requiring a 5.0-inch flange. Engineered for superior filtration and airflow, this conical filter provides a direct-fit solution that replaces worn or restrictive filters.

Constructed with proprietary SuperNano-Web media, it utilizes a highly efficient Nano membrane over a high-flow base. This dry filtration technology delivers maximum airflow while effectively trapping fine contaminants, protecting your engine and sensitive MAF sensors from the oil fouling often associated with traditional oiled filters. The filter is fully serviceable and can be cleaned with a light blast of compressed air, eliminating the need for oiling or degreasing kits.

• Filter Media: SuperNano-Web dry filtration (no oil required)
• Mounting Type: Twist Lock base for secure fitment on select Evolution intake systems
• Build: Deep pleats for maximum surface area and stainless steel band clamp with inner protective liner
• Flange Inside Diameter: 5.00"
• Base Outside Diameter: 7.00" (Twist Lock)
• Top Outside Diameter: 5.00" (Closed Top)
• Media Height: 4.75"
• Overall Height: 6.350" +/- .150"
• Part Number: X-1104-BB
• Manufacturing: Made in Pomona, California, USA

The Injen SuperNano-Web dry air filter (X-1102-BB) is engineered for high-performance filtration without the need for oil. Designed as a direct fit for many Injen intake systems and universal custom applications, this conical filter utilizes proprietary SuperNano-Web media. This dual-layer design features a high-flow base media topped with a highly efficient nano membrane, maximizing airflow while capturing harmful contaminants before they reach your engine.

Because the X-1102-BB is a dry filter, it eliminates the risk of oil-fouling sensitive Mass Air Flow (MAF) sensors. Maintenance is straightforward; the media is 100% cleanable using a light blast of compressed air. Built with deep pleats to increase surface area and efficiency, it includes a stainless steel band clamp with an inner protective liner and integrated ridges in the flange to ensure a leak-free seal.

• Manufacturer Part Number: X-1102-BB
• Flange Inside Diameter: 3.250"
• Base Outside Diameter: 6.00"
• Media Height: 6.875"
• Overall Height: 8.375" +/-.150"
• Top Outside Diameter: 5.30" (Closed Inertia Cone Top)
• Flange Height: 1.75"
• Media Type: SuperNano-Web Dry (Oil-free)
• Origin: Made in Pomona, California, USA
• Warranty: Injen Technology Limited Lifetime Warranty

Protect your engine and extend the life of your performance air filter with the Wehrli Custom Fabrication (WCF) Universal Outerwear Air Filter Cover. This pre-filter is specifically designed to fit WCF100717 4-inch and WCF100719 5-inch air filters, providing a critical secondary defense against moisture and heavy debris without sacrificing airflow.

The WCF100728 features a specialized hydrophobic treatment that causes water from puddle splashes or rain to bead off the surface. Beyond water resistance, the mesh is engineered to stop particles as small as .005 inches, preventing premature clogging of the main filter element. This is an essential upgrade for vehicles with exposed filters or those used in harsh environments like dirt tracks, pulling, or off-road driving.

• Compatibility: Specifically fits WCF100717 (4") and WCF100719 (5") air filters.
• Water Resistant: Hydrophobic treatment repels moisture (not waterproof; do not submerge).
• Advanced Filtration: Screens out debris down to .005".
• Durable Construction: Puncture resistant, UV resistant, and heat resistant up to 450°F.
• Maintenance: Clean with mild soapy water; do not scrub. Treatment lasts 6–12 months depending on conditions.
• MPN: WCF100728

To verify the hydrophobic coating is still active, perform a simple spray bottle test. If water beads off, the treatment is working; if water enters the mesh, it is time to replace the cover to maintain optimum engine protection.

Ensure your engine receives maximum protection and high-velocity airflow with the WCFab Universal 5in Inlet Dry Air Filter. Specifically engineered as the direct replacement filter for WCFab 5-inch air intakes, Twin Turbo, and S400 Single Turbo install kits, this filter utilizes a dry synthetic media that provides filtration efficiency comparable to cotton without the need for messy re-oiling.

• Manufacturer Part Number: WCF100719
• Inlet Diameter: 5 inches
• Filter Length: 11 inches
• Base Diameter: 7 inches
• Media Type: Dry (non-washable)
• Compatibility: WCFab 5" intakes, Twin Turbo kits, and S400 Single Turbo kits

Maintenance is straightforward: do not wash this filter. Use compressed air to blow debris from the pleats every 5,000 miles, maintaining a minimum 6-inch distance between the nozzle and the media. Under highway conditions, the filter provides a service life of up to 30,000 miles. Replace the filter immediately if pleats begin to collapse or if severe restriction is observed.

Designed as the direct replacement filter for Wehrli Custom Fabrication 4-inch intake systems and S300 Turbo Single Install kits, the WCF100717 dry air filter provides high-efficiency filtration without the need for oil. This dry media filter is engineered to protect your engine from harmful debris while maintaining airflow levels comparable to high-performance cotton-gauze filters.

• Precision Fitment: 4-inch inlet diameter compatible with WCFab 4" intake kits and S300 Turbo Single Install Kits.
• Dry Media Technology: Provides exceptional engine protection and is specifically designed to be non-washable for simple maintenance.
• Service Life: Rated for up to 30,000 miles of highway use, depending on driving conditions.
• Construction: Heavy-duty pleats designed to resist collapsing under high-boost or high-vacuum applications.

Maintenance & Cleaning:
To maintain optimal performance, inspect the filter media every 5,000 miles. This filter is NOT washable; do not use water or cleaning solvents. To extend the service life between 15,000 to 30,000-mile replacement intervals, you can use compressed air to remove loose debris. Direct compressed air from the inside out, keeping the air nozzle at least 6 inches away from the media to prevent damage.

Fits select 1993-2021 Infiniti, Jeep, Nissan, and Suzuki models (4.0L).

The Spectre HPR7440 performance replacement air filter is a high-flow upgrade designed to increase horsepower and acceleration compared to restrictive paper filters. This drop-in air filter replaces the stock panel-shaped filter in your factory air box, allowing for improved airflow and engine efficiency. No special tools or professional skills are required for installation.

Built with performance synthetic media and high-quality cotton gauze, the HPR7440 provides excellent filtration and protection against harmful engine contaminants. The durable sealing edge is precision-engineered to ensure a proper airtight seal within the housing, maintaining the integrity of your intake system while optimizing performance.

• Direct replacement for the factory panel air filter
• Engineered to increase airflow and improve throttle response
• Constructed with performance synthetic media and cotton gauze
• Precision sealing edge for a secure air box fit
• Quick and easy drop-in installation
• Manufacturer Part Number: HPR7440

Fits select 1977-2022 Nissan, Infiniti, Subaru, Isuzu, Saab, and Lexus models (3.5L).

The Spectre HPR4309 is a high-performance replacement air filter designed to drop directly into your factory air box. Engineered to provide more airflow than a standard paper filter, this unit utilizes performance synthetic air filter media and cotton gauze construction to help improve horsepower and acceleration. The sealing edge is precision-molded to ensure an airtight fit within the housing, providing critical protection against engine contaminants.

• Improved Performance: Designed to increase airflow for better throttle response and acceleration.
• Quality Construction: Features high-flow synthetic media and cotton gauze for superior filtration.
• Simple Installation: Direct replacement for the OE panel filter with no special tools required.
• Technical Specifications: Fits 3.5L engine applications across multiple makes.
• MPN: HPR4309