2015-2021 Subaru WRX Engine Parts

DESCRIPTION The Perrin Coolant Overflow Tank for the 2002+ Subaru WRX and 2004–2021 STI is a premium upgrade that replaces the factory plastic tank...

DESCRIPTION The Perrin Battery Tie Down is a quick and affordable upgrade for your Subaru. Batteries are essential for many of your vehicles functi...

DESCRIPTION The Perrin Battery Tie Down is a quick and affordable upgrade for your Subaru. Batteries are essential for many of your vehicles functi...

DESCRIPTION The GrimmSpeed Front Strut Bar for the 2015-2021 Subaru WRX/STI blends precision engineering with clean aesthetics to deliver serious p...

DESCRIPTION This is the GrimmSpeed Post MAF Hose Kit. This hose kit has been designed to replace the OEM hose to increase the flow to improve the o...

DESCRIPTION Thie GrimmSpeed Red Post-MAF Hose kit has been designed to replace the OEM hose to increase the flow to improve the overall power and r...

COMPLETE THE LOOK Matching Perrin's signature pulley cover design, the angled cutouts look great while concealing the factory fender gap.  DESIGN P...

Replace the ugly yellow plastic OEM oil fill cap with the sexy billet aluminum PERRIN Oil Fill Cap! Complete Your Engine Bay The Perrin Aluminum O...

Replace the ugly yellow plastic OEM oil fill cap with the sexy billet aluminum PERRIN Oil Fill Cap! Complete Your Engine Bay The Perrin Aluminum O...

The PERRIN Radiator Shroud caps the top of the radiator for a sleek, clean, and accented new look. DESIGN Dress up the top of your radiator with t...

Conceal the ugly OEM covers with the PERRIN Cam Solenoid Covers. Made from CNC machined aluminum and anodized black, blue, neon yellow, or red to ...

Conceal the ugly OEM covers with the PERRIN Cam Solenoid Covers. Made from CNC machined aluminum and anodized black, blue, neon yellow, or red to ...

Replace the restrictive OEM plastic charge pipe to increase horsepower and boost response with the PERRIN Charge Pipe for 2015-2021 WRX!  NO TUNIN...

The OEM Subaru pitch stop brackets fail over time. Help prevent this failure with the PERRIN Pitch Stop Brace.  THE PROBLEM WITH THE OEM PITCH STO...

Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucia...

Add a consistent 10+ wheel horsepower with one of the largest Top Mounted Intercoolers on the market! We pushed every dimension to make this the b...

Intercooler Construction The Perrin Intercooler Core is 28" long x 9.25" tall x 3.5" deep with a volume of 906.5 cu-in. which gives the Perrin Int...

Not a Catch Can The Perrin Air Oil Separator is not a catch can. Catch cans capture engine blow-by and stores it in a container, which requires co...

Performance During cornering, the Perrin Strut Tower Brace improves chassis rigidity, enhances steering precision under high load conditions, and r...

SPECS: Capable of adding 15-30 WHP depending on tune and supporting modifications Intakes are constructed from aluminum tubing which is precision ...

Whether you live in a hot climate region, enjoy drag racing, or long high speed pulls on airstrips the 2015-2021 Subaru WRX Front Mount Intercooler...

TRANSFORM YOUR ENGINE BAY Get rid of the dull yellow plastic under your Subaru’s hood and upgrade your engine bay with the IAG Revolve Engine...

TRANSFORM YOUR ENGINE BAY Get rid of the dull yellow plastic under your Subaru’s hood and upgrade your engine bay with the IAG Revolve Engine...

TRANSFORM YOUR ENGINE BAY Get rid of the dull yellow plastic under your Subaru’s hood and upgrade your engine bay with the IAG Revolve Engine...