Quick view Details Perrin | sku: PSP-ITR-437-1BK Perrin Front Mount Intercooler - 2015+ STI (Black Core) Compare
Quick view Details Perrin | sku: PSP-ITR-437-1SL Perrin Front Mount Intercooler - 2015+ STI (Sliver Core) Compare
Quick view Details Perrin | sku: PSP-EXT-056 Perrin E4 Series Equal Length Big-Tube Header - 2015+ STI Compare
Quick view Details Perrin | sku: PSP-EXT-055 Perrin E4 Series Equal Length header - 2015+ STI Compare
Quick view Perrin | sku: PSP-ITR-437-1BK Perrin Front Mount Intercooler - 2015+ STI (Black Core) PERRIN PERFORMANCE FMIC FOR THE 2015+ STI Swap out your overheated factory top mount intercooler for the PERRIN Front Mount Intercooler to get the most out of your turbocharged STI. Add power and a new bold look all in one. INTERCOOLER... View Details Compare
Quick view Perrin | sku: PSP-ITR-437-1SL Perrin Front Mount Intercooler - 2015+ STI (Sliver Core) PERRIN PERFORMANCE FMIC FOR THE 2015+ STI Swap out your overheated factory top mount intercooler for the PERRIN Front Mount Intercooler to get the most out of your turbocharged STI. Add power and a new bold look all in one. INTERCOOLER... 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-056 Perrin E4 Series Equal Length Big-Tube 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 designed... 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
Quick view Perrin | sku: PSP-OIL-101 Perrin Oil Cooler Kit - 2015+ WRX Reduce engine oil temperatures, extend engine life, and keep your horsepower consistent with a PERRIN oil cooler. WHY DO I WANT THIS?In racing conditions engine oil temperature skyrockets. This causes decreased engine performance and reduces the... View Details Compare