2015-2021 WRX & STI Mods
Perrin Red 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 Shifter Detent Kit 2015-2026 WRX
The PERRIN Shifter Detent Kit is an inexpensive upgrade that adds a crisp and solid feel to gear changes in your manual transmission WRX or STI. Cr...
View full detailsPerrin 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 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 Neon Yellow Rear Shock Tower Brace 2015-2021 WRX/STI
Enhance chassis rigidity and improve steering precision with the ultra-strong PERRIN Rear Shock Tower Brace. PERFORMANCE During cornering, the Pe...
View full detailsPerrin Red Cam Solenoid Cover 2015+ WRX
5.0 / 5.0
2 Reviews
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 ...
View full detailsPerrin Black Cam Solenoid Cover 2015+ WRX
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 ...
View full detailsPerrin Black Charge Pipe 2015-2021 WRX
Replace the restrictive OEM plastic charge pipe to increase horsepower and boost response with the PERRIN Charge Pipe for 2015-2021 WRX! NO TUNIN...
View full detailsPerrin Red Cold Air Intake 2015-2021 WRX
Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucia...
View full detailsPerrin Oil Cooler Kit 2002-2014 WRX / 2004-2021 STI
WHY YOU WANT THIS In racing conditions engine oil temperature skyrockets. This causes decreased engine performance and reduces the oil's ability to...
View full detailsPerrin Front Mount Intercooler Kit 2015-2021 WRX
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...
View full detailsPerrin Neon Yellow Air Oil Separator 2015-2021 WRX
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...
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 Gurney Flap 2015-2021 WRX/STI
Add an aggressive aesthetic and, in some applications, increase downforce with the PERRIN Gurney Flap. INCREASE DOWNFORCE AND PERFORMANCE After se...
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 Rear Spherical Endlinks 2008-2026 WRX / 2008-2021 STI
Improve a known failure point with a set of high grade PERRIN Endlinks! WHY YOU NEED THESE ENDLINKS OEM steel endlinks are a small, flimsy and can ...
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 Ball Shift Knob 2015+ WRX / 2004-2021 STI
COMPATIBILITY 2015+ WRX 2004-2021 STI
Perrin 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 Black Reverse Lockout Lever 2004-2021 STI
DESCRIPTION The factory reverse lockout link wears out with high mileage and aggressive shifting, causing a shifter rattle. The Perrin Reverse Lock...
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 Black 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 Neon Yellow 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 Barrel Shift Knob 2004-2021 STI
Throw Your Weight Around The PERRIN shift knob features a heavyweight, solid steel body that is up to two times the weight of the OEM knob. Heav...
View full detailsIf you own a Subaru WRX STI, you know you have the perfect platform to craft a masterpiece on wheels. At WRXDaily, we understand that every enthusiast has a vision, and we’re here to offer the WRX STI mods you need to bring yours to life. With products tailored to elevate performance, enhance style, and perfect handling, our curated selection puts endless possibilities at your fingertips.
No matter what you need, our Subaru WRX STI modifications deliver quality and reliability you can trust. From high-performance upgrades to must-have Subaru STI accessories, we have everything you need to create a car that’s as bold and unique as your passion for driving. Own a 2018 WRX? We offer a variety of 2018 WRX parts designed to fit your specific model.
With WRXDaily, your Subaru becomes a true reflection of your style and ambition. Browse our selection of WRX STI mods today and start your next build!