Subaru STI Engine Parts
Perrin Neon Yellow Air Oil Separator 2008-2014 WRX / 2008-2021 STI
DESCRIPTION The Perrin Air Oil Separator is not a catch can. Catch cans capture engine blow-by and stores it in a container, which requires constan...
View full detailsPerrin Neon Yellow Coolant Overflow Tank 2002+ WRX / 2004-2021 STI
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...
View full detailsPerrin Hyper Pink Fender Shrouds 2015-2021 WRX / 2015-2021 STI
COMPLETE THE LOOK Matching Perrin's signature pulley cover design, the angled cutouts look great while concealing the factory fender gap. DESIGN P...
View full detailsPerrin Hyper Pink Oil Cap 2002+ WRX / 2004-2021 STI
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...
View full detailsPerrin Hyper Pink Radiator Shroud 2015-2021 WRX / 2015-2021 STI
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...
View full detailsPerrin EBCS Pro Boost Control Solenoid 2008-2021 STI
The PERRIN Electronic Boost Control Solenoid (EBCS) Pro is designed to control today's high performance turbochargers with its ultra-fast response ...
View full detailsPerrin Pink Strut Tower Brace 2015-2021 WRX / STI
Performance During cornering, the Perrin Strut Tower Brace improves chassis rigidity, enhances steering precision under high load conditions, and r...
View full detailsPerrin Black Cold Air Intake 2018-2021 STI
Increase horsepower and add under-hood style with the PERRIN Cold Air Intake. It features correct MAF alignment and tubing size to maintain proper ...
View full detailsPerrin Black Intercooler Core 2015-2021 WRX / 2015-2021 STI
Replacement Intercooler and Bumper Beam for the PERRIN Front Mount Intercooler Kits!
Perrin Black Air Oil Separator 2002-2021 WRX / 2004-2021 STI
The PERRIN Air Oil Separator removes oil vapors from crankcase gases before they reach the intake manifold. Its ceramic-coated, CNC-machined design...
View full detailsPerrin Neon Yellow Cold Air Intake 2016-2017 STI
Increase horsepower and add under-hood style with the PERRIN Cold Air Intake. It features correct MAF alignment and tubing size to maintain proper ...
View full detailsPerrin Hyper Pink Cold Air Intake 2016-2017 STI
Increase horsepower and add under-hood style with the PERRIN Cold Air Intake. It features correct MAF alignment and tubing size to maintain proper ...
View full detailsPerrin Red Cold Air Intake 2016-2017 STI
Increase horsepower and add under-hood style with the PERRIN Cold Air Intake. It features correct MAF alignment and tubing size to maintain proper ...
View full detailsPerrin Black Cold Air Intake 2016-2017 STI
Increase horsepower and add under-hood style with the PERRIN Cold Air Intake. It features correct MAF alignment and tubing size to maintain proper ...
View full detailsPerrin Neon Yellow Master Cylinder Brace 2015-2021 WRX / 2015-2021 STI
The PERRIN Master Cylinder Brace prevents unwanted movement of the master cylinder, allowing for increased brake pedal stiffness and response. REDU...
View full detailsPerrin Blue Turbo Inlet Hose 2002-2007 WRX/ 2004-2021 STI
Why You Want It The PERRIN Turbo Inlet Hose, made with advanced silicone technology, outperforms the OEM part with a smoother, larger interior for...
View full detailsPerrin Silver Pitch Stop Mount 2002-2026 WRX / 2004-2021 STI
5.0 / 5.0
1 Review
DESCRIPTION Under hard acceleration, the drivetrain is being twisted front-to-back from the front axle torque twist. To control this front-to-back ...
View full detailsPerrin Hyper Pink Pitch Stop Mount 2002-2026 WRX / 2004-2021 STI
5.0 / 5.0
1 Review
DESCRIPTION Under hard acceleration, the drivetrain is being twisted front-to-back from the front axle torque twist. To control this front-to-back ...
View full detailsPerrin Blue Pitch Stop Mount 2002-2026 WRX / 2004-2021 STI
5.0 / 5.0
1 Review
DESCRIPTION Under hard acceleration, the drivetrain is being twisted front-to-back from the front axle torque twist. To control this front-to-back ...
View full detailsPerrin Black Pitch Stop Mount 2002-2026 WRX / 2004-2021 STI
5.0 / 5.0
1 Review
DESCRIPTION Under hard acceleration, the drivetrain is being twisted front-to-back from the front axle torque twist. To control this front-to-back ...
View full detailsPerrin Silver Intercooler Core 2015-2021 WRX / 2015-2021 STI
The PERRIN Standard Intercooler Core measures 28” long x 9.25” tall x 3.5” deep, with a total volume of 906.5 cu-in. It's a versatile choice that d...
View full detailsPerrin Black Jack Pad Set 2002+ WRX / 2004-2021 STI
DESCRIPTION The pinch weld jack points are easily bent and damaged during routine tasks like tire changes and car maintaince. This damage occurs fr...
View full detailsPerrin Pink Coolant Overflow Tank 2002+ WRX / 2004-2021 STI
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...
View full detailsPerrin Black Coolant Overflow Tank 2002+ WRX / 2004-2021 STI
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...
View full detailsPerrin Silver Top Mount Intercooler Kit 2008-2021 STI
DESCRIPTION The Perrin TMIC is 12% larger than the nearest competitor's core. The large core means less restriction and better cooling capabilities...
View full detailsPerrin Blue Oil Cap 2002+ WRX / 2004-2021 STI
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...
View full detailsPerrin Front Mount Intercooler Kit 2015-2021 STI
PERRIN Front Mount Intercooler Kits are ideal for those who want to get the most out of their turbocharged Subaru. Add power and a bold new look al...
View full detailsPerrin Hyper Pink Cold Air Intake 2018-2021 STI
Increase horsepower and add under-hood style with the PERRIN Cold Air Intake. It features correct MAF alignment and tubing size to maintain proper ...
View full detailsPerrin 3.0" Turbo Inlet 2002-2007 WRX/ 2004-2021 STI
The PERRIN Turbo Inlet Hose has a smooth interior and larger diameter than the OEM hose, increasing airflow. Removing OEM pleats boosts horsepower,...
View full detailsYour Subaru STI was built for excitement, but why settle for stock when you can achieve so much more? WRXDaily’s premium Subaru STI engine parts help you unlock the raw potential of your car. Turn your track days or daily drives into unbeatable experiences.
Whether you’re aiming for peak efficiency or high-octane power, our Subaru WRX STI engine upgrades deliver solutions tailored to your goals. For even greater customization, explore our range of Subaru STI aftermarket performance parts crafted to elevate every aspect of your engine’s performance.
Every part we offer is precision-engineered for seamless integration and maximum impact. From reliable endurance to thrilling power gains, these parts are made to perform. Don’t wait to transform your Subaru into the ultimate performance machine; start your build with WRXDaily’s expertly crafted parts today.