Quick view Details Perrin | sku: PSP-EXT-055 Perrin E4 Series Equal Length header - 2015+ STI Compare
Quick view Perrin | sku: PSP-SUS-051 Perrin Strut Tower Brace - 2015+ WRX/STI Ultra-strong strut tower brace for the most challenging corners and an excellent accent piece for your engine bay. PERFORMANCE With Subaru’s MacPherson strut design, the vehicles entire vertical suspension load is transmitted to... View Details Compare
Quick view Perrin | sku: PSPBDY402BK Perrin Gurney Flap - 2015+ WRX INCREASE DOWNFORCE AND PERFORMANCE After sending the PERRIN Gurney Flap in for professional flow analysis, it was determined that it decreases overall lift of the car while only slightly increasing drag. This means the aerodynamic efficiency... View Details Compare
Quick view Perrin | sku: PSPDRV150 Perrin Transmission Mount - 2004+ STI The PERRIN Performance transmission mount kit reduces drivetrain movement under hard acceleration, deceleration and cornering. WHY DO I WANT STIFFER TRANSMISSION MOUNTS? Stiffer transmission mounts give you a more connected feel with your car. The... View Details Compare
Quick view Perrin | sku: PSP-DRV-101 Perrin Pitch Stop Mount - 2004+ STI Reduce drivetrain shudder under hard acceleration by installing a PERRIN Pitch Stop mount. Subaru's with power and drivetrain upgrades will need PERRIN's more aggressive option. WHAT DOES A PITCH STOP MOUNT DO? Under hard acceleration, the... View Details Compare
Quick view Perrin | sku: PSP-INT-401RD Perrin Turbo Inlet Hose - 2004+ STI (Red) Silicone technology allows us to design a turbo inlet hose that is better in all aspects than the OEM part and increases your engines horsepower and performance. The PERRIN inlet hose is perfectly smooth on the inside and has a significantly larger... View Details Compare
Quick view Perrin | sku: PSP-INT-401BL Perrin Turbo Inlet Hose - 2004+ STI (Blue) Silicone technology allows us to design a turbo inlet hose that is better in all aspects than the OEM part and increases your engines horsepower and performance. The PERRIN inlet hose is perfectly smooth on the inside and has a significantly larger... View Details Compare
Quick view Perrin | sku: PSP-INT-401BK Perrin Turbo Inlet Hose - 2004+ STI (Black) Silicone technology allows us to design a turbo inlet hose that is better in all aspects than the OEM part and increases your engines horsepower and performance. The PERRIN inlet hose is perfectly smooth on the inside and has a significantly larger... View Details Compare
Quick view Perrin | sku: PSPINT322B Perrin Cold Air Intake System- 2015+ STI (Black) Increase horsepower and style under your hood. PERRIN Performance intake systems use proper MAF alignment and plumbing size, both of which are crucial to maintain proper air fuel ratios and prevent check engine lights that plague competitors.POWERAdd... View Details Compare
Quick view Perrin | sku: PSPINT322 Perrin Cold Air Intake System- 2015+ STI (Red) Increase horsepower and style under your hood. PERRIN Performance intake systems use proper MAF alignment and plumbing size, both of which are crucial to maintain proper air fuel ratios and prevent check engine lights that plague competitors.POWERAdd... View Details Compare
Quick view Perrin | sku: PSP-EXT-110 Perrin 2" Up pipe - 2015+ STI PERRIN has been known since their inception for the quality of their Up-Pipe. The Up-Pipe was the first product they ever released and has been a leader in this market ever since. Our Up-Pipe is one of the best ways to increase the power and throttle... View Details Compare
Quick view Perrin | sku: PSPEXT100 Perrin 1.75" Up pipe - 2015+ STI PERRIN has been known since their inception for the quality of their Up-Pipe. The Up-Pipe was the first product they ever released and has been a leader in this market ever since. Our Up-Pipe is one of the best ways to increase the power and throttle... View Details Compare
Quick view Perrin | sku: PSP-EXT-055 Perrin E4 Series Equal Length header - 2015+ STI Create a smooth sounding exhaust note while increasing horsepower and torque with the PERRIN E4-Series Equal Length Header. COMPLETELY REDESIGNED - WHAT'S NEW The new PERRIN E4-Series Equal Length Header comes with collectors that have been... View Details Compare