Fits select 2002-2007 Subaru WRX and 2004-2011 Subaru WRX STI.

This PERRIN replacement nylon coupler is engineered to restore the secure connection between your turbocharger and a 2.4-inch turbo inlet hose. Manufactured from high-strength, heat-resistant nylon, this component is a direct replacement for the fitting included in PERRIN inlet kits, ensuring a tight seal against vacuum leaks that can compromise engine performance. It is an essential service part for maintaining the integrity of your intake system if your original coupler has become brittle or damaged due to heat cycles.

• Designed specifically for PERRIN 2.4-inch (60mm) turbo inlet hoses
• High-strength nylon construction for durability and heat resistance
• Precision-molded for a leak-free fit to the turbocharger
• Direct replacement for worn or damaged inlet hose couplers

Maintain a proper seal and prevent power-robbing exhaust leaks with the PERRIN 3-inch ID Exhaust Gasket. This replacement gasket is engineered for high-temperature performance, providing a durable interface between exhaust flanges to ensure your system remains gas-tight under high pressure and thermal stress.

Designed for use with 3-inch (76mm) diameter tubing, this gasket is an essential component for routine maintenance or when reinstalling aftermarket downpipes, mid-pipes, or cat-back exhaust systems. It serves as a direct replacement for worn or compressed gaskets that can no longer provide a reliable seal, helping to eliminate cabin drone and exhaust odors caused by leaks.

• Inner Diameter: 3 inches (76mm)
• Application: High-performance exhaust systems and flanges
• Function: High-temperature replacement sealing gasket
• Reliable fitment for 3-inch aftermarket exhaust components

Fits 2015-2021 Subaru WRX.

The PERRIN MAF Extension Harness provides the necessary length to reach the Mass Air Flow sensor when installing the PSP-INT-325 intake system. This component ensures a secure, tension-free connection without the need to modify or stretch your factory wiring harness. Featuring automotive-grade connectors, this plug-and-play solution maintains signal integrity for accurate air-mass readings and consistent engine performance.

• Specifically designed for 2015-2021 Subaru WRX
• Required for use with PERRIN PSP-INT-325 intake kits
• True plug-and-play design; no cutting or splicing required
• Weather-sealed connectors for long-term reliability in the engine bay
• Maintains factory loom integrity

Fits 2013-2026 Subaru BRZ, Toyota GR86/86, and Scion FR-S.

The PERRIN Steering Rack Lockdown Kit is designed to eliminate the flex and vague steering feel caused by soft factory rubber bushings. By creating a solid connection between the steering rack and the subframe, this kit prevents the rack from shifting laterally during aggressive cornering or rapid steering inputs. This modification significantly improves turn-in precision and provides more consistent feedback through the steering wheel, making it an essential upgrade for both daily driving and track use.

• Eliminates steering rack play for sharper, more direct response
• Reinforces the connection between the steering rack and the chassis
• Improves driver feedback and steering wheel communication
• Designed for a straightforward bolt-on installation
• Fits ZC6, ZN6, and ZN8 chassis platforms

Restore your suspension's performance and eliminate unwanted play with a PERRIN 25mm replacement sway bar bushing. Over time, sway bar bushings can wear, soften, or crack, leading to sloppy handling and annoying suspension squeaks. This replacement component is designed to provide a precise fit for 25mm diameter sway bars, ensuring the bar remains securely anchored to the chassis for immediate cornering response and reduced body roll.

• Direct replacement for PERRIN 25mm sway bar bushings
• Sized for 25mm diameter sway bars
• Reduces suspension deflection and improves handling consistency
• Helps eliminate clunking or noise caused by worn-out bushings

Fits select 2008-2023 Subaru WRX and STI models equipped with the PERRIN 22mm rear sway bar.

Maintain the precision and quiet operation of your rear suspension with this genuine PERRIN Performance replacement bushing. Over time, polyurethane bushings can wear or harden due to road grime, heat, and friction, which can lead to suspension squeaks or diminished sway bar effectiveness. This replacement component is designed to restore the tight tolerances required for predictable cornering and handling.

• Bore Diameter: 22mm
• Material: High-durometer polyurethane for durability and response
• Compatibility: Specifically designed for PERRIN rear sway bar kit part number PSP-SUS-232
• Application: Rear Sway Bar
• Quantity: Sold individually

Fits 2015-2021 Subaru WRX and STI equipped with the PERRIN Front Mount Intercooler (FMIC) kit.

The PERRIN FMIC Stencil allows you to add a professional, branded finish to your intercooler core. Designed specifically for the surface area of the PERRIN 2015-2021 WRX/STI intercooler (MPN: PSP-ITR-437), this stencil ensures the logo is perfectly sized and centered for maximum visual impact through the front bumper opening. It is an essential tool for enthusiasts looking to refresh a worn logo or customize a new installation with a clean, sharp PERRIN graphic.

• Compatibility: Designed for PERRIN FMIC kit part number PSP-ITR-437
• Application: Reusable stencil for intercooler core painting
• Design: Precision-cut PERRIN block logo
• Fitment: 2015-2021 Subaru WRX / STI

Maintain a secure, leak-free seal on your induction system with the PERRIN Performance Inlet Hose Hardware Kit. This specific hardware set is designed for use with PERRIN part number PSP-INT-421, providing the necessary components to properly install or refresh your turbo inlet hose. Ensuring a tight connection at the turbocharger inlet is critical for preventing vacuum leaks and unmetered air from entering the engine, which can lead to lean conditions and poor performance.

Fits 2008-2014 Subaru WRX, 2004-2013 Subaru Forester XT, and 2005-2009 Subaru Legacy GT.

• Designed specifically for use with PERRIN Turbo Inlet Hose PSP-INT-421
• Includes essential hardware for secure mounting and sealing
• Replaces lost or worn installation components for a factory-level fit
• Engineered to withstand the high-heat environment of the turbocharger area

Fits 2020-2025 Subaru Legacy and Outback models, including the Wilderness trim.

Sharpen your vehicle's handling and steering response with the PERRIN Front Strut Brace. Designed to bridge the gap between your front strut towers, this brace increases chassis rigidity by significantly reducing flex during hard cornering and over uneven road surfaces. By stabilizing the strut towers, the brace helps maintain consistent suspension geometry, providing a more planted and predictable driving experience.

• Enhances steering precision and turn-in response
• Reduces chassis flex under high-load cornering
• Rigid construction with a durable black finish for engine bay longevity
• Simple bolt-on installation using existing factory mounting points
• Clears factory components on Legacy, Outback, and Wilderness models

Fits 1993-2014 Subaru Impreza, 2002-2014 WRX, and 2004-2021 STI models without air conditioning.

The PERRIN Lightened Crank Pulley is designed to reduce the rotating mass on your crankshaft, allowing the engine to rev more freely and significantly improving throttle response. By replacing the heavy factory steel pulley with this lightweight aluminum alternative, you decrease parasitic drag on the engine for faster acceleration. This specific version is engineered for Subaru EJ-series engines where the air conditioning system has been removed or was not equipped from the factory.

• Precision CNC machined from 6061-T6 aluminum for maximum durability
• Weighs significantly less than the OEM pulley to reduce rotational inertia
• Black anodized finish provides a sleek look and superior corrosion resistance
• Direct bolt-on replacement for factory hardware
• Optimized for vehicles without an AC compressor or belt drive

Fits 2022-2025 Subaru BRZ and Toyota GR86.

The PERRIN Lightweight Water Pump Pulley is designed to improve throttle response by reducing the rotational inertia of your engine’s accessory system. By replacing the heavier factory pulley with this lightweight alternative, you decrease the parasitic drag on the engine, allowing it to rev more freely. This pulley is a direct bolt-on replacement that maintains factory belt alignment and works seamlessly with the OEM tensioner.

• Reduces rotational mass for improved engine response
• Direct replacement for the factory water pump pulley
• Vibrant red finish for customized engine bay styling
• Precision engineered for 2022-2025 BRZ and GR86 models
• Maintains original equipment belt routing and tension

Fits 2002-2014 Subaru WRX and 2004-2021 Subaru STI models equipped with the PERRIN pulley cover.

This PERRIN replacement hardware kit is designed specifically for users who need to replace lost or damaged mounting components for their PERRIN pulley cover (MPN: PSP-ENG-150). Whether you are refreshing your engine bay or reinstalling your cover after maintenance, this kit ensures you have the exact fasteners required to secure the cover to the factory mounting points without vibration or loosening.

• Direct replacement hardware set for PERRIN PSP-ENG-150 pulley covers
• Compatible with 2002-2014 Subaru WRX and 2004-2021 Subaru STI
• Maintains secure, professional fitment for engine bay aesthetics and safety
• Includes necessary fasteners and washers for complete installation

Maintain optimal airflow and filtration for your Mitsubishi Lancer Evolution with this genuine PERRIN Performance replacement air filter. Specifically engineered as a direct service component for PERRIN intake systems, this filter features a precise 4.5-inch internal diameter (ID) flange to ensure a secure, leak-free seal on the intake induction tube.

Constructed for high-flow performance, this filter element is finished in black to provide a clean, professional aesthetic under the hood. Regularly replacing a restricted or contaminated filter is essential for protecting your turbocharger from debris and ensuring the engine can breathe efficiently under boost.

• Flange Diameter: 4.5-inch ID
• Filter Media Color: Black
• Fitment: Specifically designed for PERRIN Evo intake kits
• Installation: Slides onto existing 4.5" intake piping and secures with a standard worm-gear clamp

Fits 2002-2014 Subaru WRX and STI equipped with a front mount intercooler (FMIC).

Add a professional, finished look to your front mount intercooler core with the PERRIN Intercooler Logo Stencil. This stencil allows you to precisely paint the iconic PERRIN logo onto the intercooler fins, making it an ideal solution for refreshing a weathered core or customizing a new installation.

• Precision-cut for sharp logo edges and professional results
• Designed specifically for 2002-2014 WRX and STI FMIC dimensions
• Reusable material allows for touch-ups or multiple applications
• Compatible with high-temperature automotive or radiator paints

Fits select 1993-2021 Subaru Impreza, WRX, and STI models configured without air conditioning. This PERRIN Lightened Crank Pulley is designed to reduce rotational mass and parasitic drag on the engine, allowing the crankshaft to spin up more quickly for improved throttle response and faster acceleration throughout the RPM range.

• Direct replacement for the heavy factory pulley to significantly reduce rotational inertia.
• Engineered for 1993-2014 Impreza, 2002-2014 WRX, and 2004-2021 STI models specifically without AC.
• Precision machined for perfect balance and consistent performance.
• Durable red finish provides long-lasting corrosion resistance and a custom look in the engine bay.
• Simple bolt-on installation using factory mounting points.

This replacement PERRIN foam filter and diffuser is designed for the internal bottom section of an Air Oil Separator (AOS). Engineered with a specific 48ppi (pores per inch) density, this foam disc acts as a baffle to help coalesce oil vapor and stabilize the fluid within the canister, ensuring cleaner air is returned to the intake system.

• Density: 48ppi (pores per inch) for optimal filtration and flow
• Dimensions: 2.5-inch diameter x 0.825-inch thickness
• Design: Precision-cut disc with a center hole for internal hardware clearance
• Color: Red
• Application: Fits the bottom of select PERRIN Air Oil Separators

Fits select 2002-2007 Subaru WRX and 2004-2011 Subaru STI.

The PERRIN Replacement Hardware Kit provides the specific components required to properly secure and seal the PSP-INT-401 Turbo Inlet Hose. Over time, original installation hardware can become corroded, stripped, or lost during engine maintenance. This kit ensures you have the exact clamps and vacuum fittings needed to maintain an airtight connection between the intake and the turbocharger, preventing unmetered air from entering the system and ensuring consistent boost response.

• Designed specifically for use with PERRIN part number PSP-INT-401.
• Includes all necessary hose clamps and vacuum fittings for a complete refresh.
• Helps prevent vacuum leaks and ensures a secure fit to the turbo compressor inlet.
• High-quality, corrosion-resistant components built for the high-heat environment of the EJ engine bay.

The PERRIN Performance License Plate Frame provides a clean, finished appearance for your vehicle's exterior. This durable frame features a high-contrast design with a sleek black background and bold Neon Yellow lettering, designed to match PERRIN's signature performance accent colors.

• Official PERRIN Performance branding
• Black frame construction with high-visibility Neon Yellow lettering
• Designed for standard North American license plate fitment
• Direct replacement for bulky dealer frames or bare plates
• Easy installation using existing factory mounting hardware

Fits 2020-2026 Subaru WRX models with CVT (Non-Base models).

Maintaining stable fluid temperatures is critical for the longevity and performance of the Subaru Lineartronic CVT. The PERRIN Transmission Oil Cooler Full Kit is engineered to effectively dissipate heat that builds up during spirited driving, heavy traffic, or high-ambient temperature conditions. By lowering operating temperatures, this kit helps prevent the transmission from entering limp mode and protects the CVT fluid from thermal breakdown, ensuring consistent shift feel and belt grip.

This complete system features a high-efficiency oil cooler core and vehicle-specific mounting brackets designed to position the unit in the direct path of incoming airflow. The kit includes all necessary hoses, fittings, and hardware required for a clean, professional installation that integrates with the factory cooling system.

• Prevents CVT overheating and fluid degradation under heavy load
• High-efficiency heat exchanger core for maximum thermal transfer
• Includes custom-fit mounting brackets for a secure, bolt-on fitment
• Complete kit with oil-rated hoses and installation hardware
• Designed specifically for CVT-equipped 2020-2026 WRX (Non-Base models)

Ensure a leak-free seal and maintain the reliability of your lubrication system with the PERRIN Oil Cooler O-ring and Seals Kit. Designed specifically for maintenance and service intervals, this kit provides the necessary replacement seals for the oil cooler adapter plate used in PERRIN oil cooler setups.

Over time, heat cycles and vibration can cause rubber seals to flatten or degrade, leading to potential oil seepage at the adapter. This kit allows you to refresh the critical sealing surfaces whenever the adapter is removed or as part of a high-mileage service routine. These components are manufactured to withstand the high oil temperatures and pressures common in performance Subaru applications.

• Compatible with all PERRIN Performance Subaru oil cooler kits
• Direct replacement for worn or flattened O-rings and seals
• Prevents oil leaks at the sandwich plate and adapter assembly
• Essential for routine maintenance and system re-installation
• Includes all O-rings and seals required for a full refresh

Give your vehicle a cleaner, more performance-oriented look by replacing bulky dealership frames with the PERRIN License Plate Frame. This frame provides a slim profile that highlights your plate without obstructing registration stickers, offering a subtle aesthetic upgrade that matches the rest of your performance modifications.

• High-impact, weather-resistant construction for long-term durability
• Classic black finish with bold red PERRIN lettering
• Designed to fit standard North American 6-inch x 12-inch license plates
• Universal fitment for front or rear mounting points
• Simple installation using existing hardware

The PERRIN Universal Brake Reservoir Cover provides a functional and aesthetic solution for maintaining a clean engine bay by absorbing fluid seeps from the master cylinder cap. Brake fluid is highly corrosive to painted surfaces; this elastic cover is designed to trap minor spills and misting that can occur during aggressive driving or track sessions, protecting your finish and surrounding components.

• Universal fitment for most brake and clutch fluid reservoirs
• Constructed from high-quality elastic fabric for a snug, secure fit
• Vibrant red finish with white embroidered PERRIN logo
• Protects engine bay paint from corrosive brake fluid spray
• Simple, tool-free installation

Whether you are prepping for a car show or a high-performance track day, this reservoir cover adds a finished look to your engine bay while serving a critical protective purpose. Includes one (1) red PERRIN reservoir cover.

This PERRIN crank pulley hub provides a precision-engineered interface for the rotating assembly on Subaru FA and FB series engines. Designed as a standalone hub with a small outer diameter (OD), this component is essential for specific performance pulley configurations or custom engine builds where exact tolerances are required to maintain accessory drive alignment.

• Engineered specifically for Subaru FA and FB engine platforms
• Precision-machined to ensure minimal runout and a secure fit on the crankshaft
• Small OD (Outside Diameter) profile for specialized application requirements
• Durable construction to withstand high-RPM operation and thermal stress
• Includes hub component only

Fits 2017-2021 Honda Civic Si and 2022-2026 Acura Integra models with a 64.1mm hub bore.

These PERRIN 20mm wheel adapters provide a precise solution for mounting wheels with a 5x120 bolt pattern onto your factory 5x114.3 hubs. Engineering a conversion while maintaining hub-centricity is critical for eliminating vibration at high speeds, and these adapters utilize a 64.1mm bore to ensure a perfect interface between the vehicle hub and the adapter. The 20mm thickness helps clear suspension components or larger brake calipers while pushing the wheels out for a more aggressive, flush stance.

• Thickness: 20mm
• Vehicle Bolt Pattern: 5x114.3
• Wheel Bolt Pattern: 5x120
• Hub Bore: 64.1mm
• Quantity: Pair (Set of 2)
• Application: Pattern conversion for Select Honda/Acura

Fits 2022-2026 Subaru WRX.

The PERRIN Stainless Steel Clutch Line is designed to replace the factory rubber hose, which can expand under pressure and lead to a soft or spongy pedal feel. By utilizing a braided stainless steel exterior, this line prevents hose expansion, ensuring that every bit of hydraulic pressure is transmitted directly to the slave cylinder. The result is a firmer, more consistent clutch pedal and improved modulation, which is especially noticeable during spirited driving or in high-heat environments.

• Braided stainless steel outer shell prevents expansion under high pressure
• PTFE inner liner ensures smooth fluid delivery and long-term durability
• Eliminates the spongy pedal feel associated with OEM rubber lines
• Provides more precise clutch engagement and modulation
• Direct-fit replacement for the factory clutch hose
• Corrosion-resistant fittings for a secure, leak-free connection