Fits 2013-2018 Ram 2500 and 3500 trucks (6.7L Cummins).

Protect your engine's vitals with the Sinister Diesel SD-EOF-6.7C-13 Bypass Oil Filter System. This secondary filtration system is engineered to supplement your factory oiling by diverting a small portion of oil through a high-efficiency Amsoil 2-micron filter. By removing microscopic contaminants that standard filters miss, this kit significantly reduces abrasive wear on internal components and helps maintain oil quality over time.

• Materials: CNC machined billet aluminum and high-strength steel
• Finish: Corrosion-resistant Sinister Blue
• Filtration: Includes Amsoil 2-micron oil filter element
• Hardware: Braided stainless steel lines and vehicle-specific mounting bracket
• Kit Includes: Amsoil filter, Sinister oil cap, filter block, lines, and installation hardware

Note: This system is NOT compatible with vehicles equipped with dual alternators or dual radiators. This system requires an OEM-style filter; extended-life oil filters are not compatible.

Fits 2007-2012 Dodge and Ram 2500/3500 (6.7L Cummins).

Protect your Cummins engine from the abrasive contaminants that bypass standard filtration. Even new or rebuilt engines often contain casting sand, metal shavings, and mineral deposits that can scour water pump bearings and clog the narrow passages of your EGR and oil coolers. The Sinister Diesel Coolant Filtration System bypasses a small amount of coolant to a high-efficiency filter, removing these particulates to maintain cooling system efficiency and extend component life.

Built for durability and ease of installation, this kit features a filter boss CNC-machined from 6061 billet aluminum with two threaded inlet ports and one outlet port. The system installs using factory mounting points, requiring no drilling. The included silicone hoses are pre-assembled with fittings for a secure, leak-free connection.

• Construction: CNC-machined 6061 billet aluminum filter block
• Hoses: High-temperature silicone hoses
• Installation: Bolt-on design; no drilling required
• Filter: Includes Wix coolant filter (upgradable to Cat coolant filter)
• Maintenance: First filter change at 500 miles; 2nd and 3rd at 3,000 miles; annually thereafter
• MPN: SD-COOLFIL-6.7C-W

Kit Includes: Wix coolant filter, billet filter block, mounting bracket, pre-assembled silicone hoses, and all required installation hardware.

Fits 2003-2007 Ford Powerstroke (6.0L) trucks.

The Sinister Diesel Coolant Filtration System (SD-COOLFIL-6.0-W) addresses a critical vulnerability in the 6.0L engine by removing casting sand, sediment, and metallic debris from the cooling system. Left unchecked, these contaminants can clog the small passages of the oil cooler and EGR cooler, leading to overheating and costly component failure. This bypass system continuously cleans a portion of the coolant flow to maintain system efficiency and extend the life of your water pump and seals.

• Bypass design removes abrasive particles without restricting main coolant flow
• High-quality Wix coolant filter included for superior filtration
• Machined filter block and application-specific mounting bracket
• Reinforced silicone hoses for heat and pressure resistance
• Direct-fit installation for 2003-2007 Ford 6.0L Powerstroke applications
• Manufacturer Part Number: SD-COOLFIL-6.0-W

Fits select 2001-2016 Chevrolet and GMC 2500/3500 HD trucks, commercial vehicles, and vans equipped with the 6.6L Duramax engine.

Protect your high-pressure fuel system and injectors from premature wear with the Sinister Diesel CAT Fuel Filter Adapter Kit. This upgrade replaces the factory fuel filter with an ultra-fine 2-micron Caterpillar spin-on filter, significantly improving filtration efficiency and capacity compared to the OE unit. By capturing smaller contaminants, this kit helps prevent costly injector failure and maintains optimal fuel flow.

The adapter is precision CNC-machined from high-grade billet aluminum and features Sinister Diesel's signature blue anodized finish for maximum corrosion resistance. Designed as a direct bolt-on solution, this kit requires no modifications for installation and includes all necessary hardware for a clean setup.

• Ultra-fine 2-micron Caterpillar fuel filter for maximum protection
• CNC-machined billet aluminum adapter base
• Signature blue anodized finish for durability and corrosion resistance
• Improved filtration capacity reduces long-term maintenance costs
• Complete kit: includes adapter base, CAT filter, standoff spacer, and O-rings/hardware
• Manufactured and tested in the USA
• MPN: SD-CAT-DMAX

The Sinister Diesel SD-CAI-FILTER is a high-capacity universal replacement air filter designed to fit Sinister Diesel Cold Air Intake systems or custom-fabricated intake setups. Measuring 10 inches tall with a 4-inch inner diameter (ID) silicone inlet, this filter is engineered to support significant airflow requirements for high-performance diesel and gas applications.

Built for durability and performance, the filter utilizes an 8-layer cleanable cotton media that provides excellent filtration efficiency without sacrificing flow. The assembly is reinforced with a signature Sinister Blue honeycomb filter guard to protect the media and maintain structural integrity under high vacuum.

• Manufacturer Part Number: SD-CAI-FILTER
• Inlet Diameter: 4-inch ID silicone flange
• Filter Height: 10 inches
• Filter Media: 8-layer cleanable cotton
• Reinforcement: Honeycomb filter guard finished in Sinister Blue
• Application: Replacement for Sinister Diesel intakes or custom builds

Fits 1999-2003 Ford F-250 and F-350 Super Duty models (7.3L Powerstroke).

Improve the efficiency and airflow of your 7.3L Powerstroke with the Sinister Diesel Cold Air Intake. Designed and engineered in-house, this system replaces restrictive factory components with a high-flow, CNC mandrel-bent aluminum intake tube. The result is significantly improved throttle response and faster turbo spool-up, providing a performance advantage whether you are towing heavy loads or daily driving.

The kit features an oversized, reusable cotton media filter that eliminates the need for disposable paper filters while maintaining high filtration standards. Every tube is finished in a durable, signature Sinister Blue powder coat to resist corrosion and enhance the engine bay's appearance. Installation is a straightforward drop-in process using basic hand tools, with high-temperature silicone couplers included to ensure a secure, heat-resistant seal.

• CNC mandrel-bent aluminum intake tubing for smooth, unrestricted airflow
• Oversized reusable cotton media filter for long-lasting service life
• Signature Sinister Blue powder-coated finish
• High-temperature silicone couplers for maximum durability
• Direct drop-in installation with included mounting hardware
• Manufacturer Part Number: SD-CAI-7.3

Fits select 2017-2019 Ford F-250 and F-350 Super Duty models (6.7L Powerstroke).

The Sinister Diesel Cold Air Intake (CAI) is engineered to maximize engine efficiency by delivering a higher volume of cool, dense air compared to the factory intake. By replacing the restrictive OE assembly with precision CNC mandrel-bent aluminum tubing, this kit provides a smoother path for airflow, improving throttle response and turbo spool-up across various driving conditions.

This performance intake features an oversized, reusable cotton media filter designed for high filtration and longevity. The aluminum tubing is polished and finished in signature Sinister Blue powder coating for superior corrosion resistance and a distinct look. Installation is designed to be a direct-fit process using basic hand tools, including high-durability silicone couplers to ensure secure, heat-resistant connections.

• Precision CNC mandrel-bent aluminum tubing for unrestricted airflow
• Oversized, long-lasting reusable cotton media filter
• Finished in signature Sinister Blue powder coat for durability
• High-grade silicone couplers for lasting performance
• Direct-fit installation with included mounting hardware
• Manufacturer Part Number: SD-CAI-6.7P-17

Includes: Aluminum intake tube, reusable cotton media filter, silicone couplers, and all required mounting hardware.

Fits 2011-2016 Ford F-250 and F-350 Super Duty trucks equipped with the 6.7L Powerstroke diesel engine.

This Sinister Diesel Cold Air Intake (MPN: SD-CAI-6.7P-11) is engineered to replace the restrictive factory airbox in your Ford Super Duty. By streamlining the air induction path, this system provides your 6.7L Powerstroke with a consistent supply of cooler, denser air for improved engine efficiency and throttle response. Designed as a direct-fit replacement, it utilizes factory mounting points for a straightforward installation process without the need for custom fabrication.

• Manufacturer: Sinister Diesel
• Part Number: SD-CAI-6.7P-11
• Engine Compatibility: 6.7L Powerstroke Diesel
• Fitment Type: Vehicle Specific / Direct Replacement

Fits select 2013-2019 Ram 2500 and 3500 (6.7L).

The Sinister Diesel Cold Air Intake is engineered to replace restrictive factory air boxes with a high-flow system designed for durability and performance. Utilizing CNC mandrel-bent aluminum tubing, this intake provides a smooth, unobstructed path for air to reach the turbocharger. While plastic intakes are prone to heat soak, the thin-walled aluminum construction dissipates heat quickly once the vehicle is in motion, maintaining cooler intake temperatures for improved throttle response and faster turbo spool-up.

Each kit features heavy-duty silicone couplers that outperform OEM materials in high-heat environments and is finished in signature Sinister Blue powder coat for a long-lasting, corrosion-resistant look. This is a direct drop-in installation that can be completed with basic hand tools. Note: This intake must retain the factory active air technology to prevent diagnostic trouble codes.

• Precision CNC mandrel-bent aluminum tubing for maximum airflow and strength
• Oversized, reusable cotton media filter for long-term service life
• Signature Sinister Blue powder-coated finish for durability
• High-strength silicone couplers and all necessary installation hardware included
• Direct-fit design for straightforward installation
• Manufacturer Part Number: SD-CAI-6.7C-13

Fits 2003-2007 Dodge Ram 2500 and 3500 models equipped with the 5.9L Cummins engine.

Engineered to outperform restrictive factory air boxes, the Sinister Diesel Cold Air Intake provides a significant improvement in throttle response and turbo spool-up. By increasing the volume and velocity of air reaching your engine, this kit supports better efficiency and performance for daily driving, heavy towing, and racing applications. Unlike plastic intakes that can suffer from heat soak, this system features CNC mandrel-bent aluminum tubing that dissipates heat quickly to keep intake temperatures low.

The intake is finished in Sinister Diesel's signature blue powder coating for superior corrosion resistance and a clean look under the hood. It includes an oversized, reusable cotton media filter designed for high airflow and long-term durability. This kit is designed for a direct, drop-in installation using basic hand tools and includes all necessary hardware and high-durability silicone couplers.

• MPN: SD-CAI-5.9C-04
• Material: CNC Mandrel-Bent Aluminum Tubing
• Finish: Polished and Powder Coated Sinister Blue
• Filter: Oversized Reusable Cotton Media
• Couplers: Heavy-Duty Silicone
• Installation: Direct Bolt-On; No Cutting or Drilling Required

Fits select 2011-2020 Ford F-250 and F-350 Super Duty models (6.7L Powerstroke).

Replace the restrictive factory plumbing with the Sinister Diesel Hot Side Charge Pipe to optimize the path between your turbocharger and intercooler. This upgraded 3-inch pipe is engineered with smooth CNC mandrel bends to increase airflow velocity, which helps improve throttle response and reduce Exhaust Gas Temperatures (EGTs).

Built for durability under high-boost conditions, this pipe is constructed from 6061 aluminum alloy and features masterfully back-purge TIG welded seams. The assembly is finished in Sinister Blue polished powdercoat for a clean, professional look that resists corrosion. The included 4-ply silicone boots are rated for pressures up to 400 psi and are secured by heavy-duty stainless steel spring clamps for a reliable, leak-free seal.

• 3-inch CNC mandrel-bent 6061 aluminum alloy tubing
• Precision back-purge TIG welded construction
• High-temp 4-ply silicone boots (400 psi rated)
• Polished Sinister Blue powdercoated finish
• Stainless steel spring boot clamps for a secure seal
• Manufacturer Part Number: SD-6.7PIPH11-01-20

Kit Includes: (1) Hot Side Charge Pipe, (2) Silicone Boots, (4) Stainless Steel Spring Clamps.

Fits 2003-2007 Ford F-250/F-350 Super Duty and 2003-2005 Ford Excursion (6.0L).

The 6.0L Powerstroke is notorious for cooling system issues caused by residual casting sand, metal shavings, and mineral deposits. This Sinister Diesel coolant filtration system is a bypass-style kit designed to capture these abrasive contaminants before they can damage your water pump bearings, clog your oil cooler, or compromise the small passages in your EGR cooler. By maintaining a cleaner cooling system, you ensure more efficient heat transfer and extend the service life of critical engine components.

Constructed for durability and ease of use, this kit features a filter boss CNC-machined from solid 6061 billet aluminum and finished in a signature Sinister Blue anodizing. The included high-strength silicone hoses are abrasion-resistant and feature a molded T-junction to eliminate potential points of failure. Installation is straightforward, utilizing a heavy-duty bracket that mounts to factory holes, requiring no drilling or permanent modification to your vehicle.

• Manufacturer Part Number: SD-6.0CF03-01-20
• Material: CNC Billet 6061 Aluminum Block
• Hoses: Pre-assembled silicone with molded T-junction
• Valves: Nickel-plated ball valves for easy, mess-free filter changes
• Installation: Bolt-on design; approximately 2-hour install time
• Maintenance: Replace the first filter at 500 miles, the second and third at 3,000 miles each, and then once annually
• Includes: Genuine Wix coolant filter, filter block, mounting bracket, silicone hoses, and all necessary hardware

Fits trucks equipped with a 5-inch tailpipe, including select Ford Super Duty Powerstroke, Ram Cummins, and Chevrolet/GMC Duramax models.

Give your diesel truck a more aggressive profile and a clean, finished look with the Sinister Diesel SD-5-6-POL exhaust tip. This tip is engineered for durability, utilizing high-grade 304 stainless steel that naturally resists corrosion and heat discoloration. The mirror-polished finish provides a show-quality shine that is easy to maintain and clean after miles of road use.

This single-wall tip features a 5-inch inlet that transitions to a larger 6-inch outlet, finished with a classic rolled edge for a premium appearance. Installation is straightforward and requires no welding; the integrated clamp-on design allows for a secure fit to your existing 5-inch tailpipe using basic hand tools. Each tip is finished with the signature Sinister Diesel logo stamped into the side for authentic branding.

• Inlet Diameter: 5 Inches
• Outlet Diameter: 6 Inches
• Overall Length: 12 Inches
• Material: 304 Stainless Steel
• Finish: Mirror Polished
• Construction: Single Wall with Rolled Outlet Edge
• Installation: Clamp-on (No welding required)
• Manufacturer Part Number: SD-5-6-POL

Fits universal 5-inch exhaust systems, providing a direct-fit aesthetic upgrade for heavy-duty diesel trucks including RAM Cummins, Chevy/GMC Duramax, and Ford Powerstroke models.

Constructed from premium 304 stainless steel, the Sinister Diesel SD-5-6-BLK exhaust tip is designed for maximum corrosion resistance and durability in harsh environments. The black ceramic coating is engineered to withstand high exhaust temperatures while effectively masking diesel soot buildup for a cleaner appearance between washes. This single-wall tip features a smooth rolled edge for a finished, aggressive look that complements blacked-out trim and aftermarket wheels.

Installation is straightforward and requires no welding; the integrated heavy-duty clamp allows for a secure 1-step installation using basic hand tools. The 5-inch inlet slides over your existing tailpipe, expanding to a 6-inch outlet over a 12-inch total length.

• MPN: SD-5-6-BLK
• Inlet Diameter: 5 Inches
• Outlet Diameter: 6 Inches
• Overall Length: 12 Inches
• Material: 304 Stainless Steel
• Finish: High-Temp Black Ceramic Coating
• Construction: Single Wall with Rolled Outlet Edge
• Installation: Integrated Clamp-On Design

Give your truck's exhaust system a finished, aggressive look with the Sinister Diesel SD-4-6-BLK Exhaust Tip. This tip is engineered for longevity and style, utilizing high-grade stainless steel that provides excellent resistance to rust and environmental corrosion. The exterior is finished with a rugged, heat-resistant black ceramic coating, providing a sleek matte appearance that holds up against road debris and high EGTs.

Designed for a precise fit, this tip slides over 4-inch tailpipes and transitions to a massive 6-inch exit diameter, enhancing the rear profile of your diesel vehicle. It is a durable solution for protecting the end of your exhaust piping while adding a custom aesthetic.

• Manufacturer Part Number: SD-4-6-BLK
• Inlet Diameter: 4 in
• Outlet Diameter: 6 in
• Material: Stainless Steel
• Finish: Black Ceramic Coating

Upgrade your truck's appearance with the Sinister Diesel SD-4-5-POL exhaust tip, designed for universal fitment on 4-inch tailpipes. This tip provides an immediate aesthetic improvement by expanding your exhaust exit to a 5-inch diameter with a clean, rolled edge. Unlike standard aluminized options, this tip is constructed from 304 stainless steel to provide maximum resistance against corrosion, road salt, and heat discoloration.

The single-wall construction features a high-luster mirror polish that is easy to maintain and keep clean. Installation is a simple one-step process using the integrated heavy-duty clamp, allowing for a secure fit without the need for welding or specialized fabrication. Each tip is finished with the authentic Sinister Diesel logo stamped into the side for a professional look.

• Inlet Diameter: 4 Inches
• Outlet Diameter: 5 Inches
• Overall Length: 12 Inches
• Material: 304 Stainless Steel
• Finish: Mirror Polished
• Construction: Single Wall with Rolled Edge
• Installation: Integrated Clamp-on design
• Part Number: SD-4-5-POL

Upgrade your vehicle's aesthetic and durability with the Sinister Diesel SD-4-5-BLK exhaust tip. This universal tip is designed to fit 4-inch tailpipes, expanding to a 5-inch outlet for an aggressive, custom appearance. Unlike standard tips, this component is manufactured from 304 stainless steel for superior corrosion resistance and features a high-temperature black ceramic coating to withstand extreme exhaust heat and road debris.

Designed for straightforward installation, the single-wall construction includes a rolled outlet edge for a finished look. The integrated clamp-on design allows for a secure 1-step installation using basic hand tools, eliminating the need for welding or permanent modifications to your exhaust system.

• Inlet Diameter: 4 Inches
• Outlet Diameter: 5 Inches
• Overall Length: 12 Inches
• Material: 304 Stainless Steel
• Finish: Black Ceramic Coating
• Construction: Single Wall with Rolled Edge
• Installation: Clamp-On (No Welding Required)
• Manufacturer Part Number: SD-4-5-BLK