Subaru STI Engine Parts
COBB Tuning Redline Intake Replacement Filter 2015-2021 STI
DESCRIPTION This replacement filter can be used for the 2015-2021 STI redline carbon fiber intake. WHY? The filter element that originally...
View full detailsGrimmSpeed Black StealthBox Intake 2015-2021 STI
DESCRIPTION The GrimmSpeed StealthBox Cold Air Intake System is the result of countless invested hours in research and development to provide the p...
View full detailsCOBB Tuning Driveline Bushing Kit 2008-2021 WRX/STI
DESCRIPTION Driveline mounts/bushings are installed to provide the driver with improved feel/response from the engine, driveline, and steering comp...
View full detailsGrimmSpeed Black Radiator Shroud 2015-2021 WRX/STI
DESCRIPTION The GrimmSpeed Radiator Shroud for the 2015-2021 Subaru WRX/STI is made from CNC laser cut and bent aluminum and covered in a very dura...
View full detailsGrimmSpeed Front Mount Intercooler Bumper Bar 2015-2021 WRX/STI
DESCRIPTION To help keep chassis deflection at bay and to keep any large dents out of your front fascia we’re offering the GrimmSpeed Bumper Bar as...
View full detailsPerrin Hyper Pink Fender Shrouds 2015-2021 WRX/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 Neon Yellow Fender Shrouds 2015-2021 WRX/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 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 detailsCOBB Tuning Stage 1+ Power Package 2019-2021 STI
EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...
View full detailsCOBB Tuning Fuel Rails 2008-2021 STI
EMISSIONS This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results...
View full detailsCOBB Tuning Black Front Mount Intercooler Kit 2015-2021 STI
DESCRIPTION Remove the overworked factory intercooler from your 2015+ STI in favor of the Black COBB Front Mount Intercooler Kit. Featuring a ...
View full detailsCOBB Tuning Redline Carbon Fiber Intake 2015-2021 STI
DESCRIPTION The Redline Carbon Fiber Intake seamlessly blends performance and aesthetics to bring the ultimate intake for your 2015-2021 WRX...
View full detailsCOBB Tuning Radiator Shroud 2015-2021 WRX/STI
EMISSIONS This part is not an emissions-related part and therefore can be used on Emission Controlled Vehicles. DESCRIPTION This radiator s...
View full detailsCOBB Tuning Black Front Mount Intercooler Core 2015-2021 WRX/STI
EMISSIONS This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results...
View full detailsCOBB Tuning 20G Turbocharger 2008-2021 STI
EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...
View full detailsPerrin Hyper Pink Radiator Shroud 2015-2021 WRX/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 Pitch Stop Brace 2015-2021 WRX/STI
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...
View full detailsAPR Performance Carbon Fiber Alternator Cover 2008-2014 WRX / 2008-2021 STI
Dress-up the engine bay with carbon fiber, molded to precise dimensions that only pre-preg. materials can achieve. These parts are exotic-looking,...
View full detailsIAG 550 2.5L Short Block 2006-2014 WRX / 2004-2021 STI
IAG 550 EJ25 2.5L SUBARU SHORT BLOCK DESIGNED FOR STRENGTH The IAG 550 Short Block is designed for modified EJ25 Subarus that n...
View full detailsIAG EJ Competition Series Oil Pan Package 2002-2014 WRX / 2004-2021 STI
IAG offers our V2 Oil Pickup, Competition Series Baffle and Windage Tray combined with our New Oil Pan as a complete package. About Competition...
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 detailsRadium TGV to Head Gasket 2002-2014 WRX / 2004-2021 STI
Metal reinforced, crush resistant, high temperature graphite fiber. Fits most Subaru EJ engines. Installs between intake manifold (TGVs) and cylind...
View full detailsIAG PTFE Flex Fuel System Kit w/ Aeromotive FPR, IAG Fuel Rails 2008-2014 WRX/ 2008-2021 STI
IAG PTFE FLEX FUEL SYSTEM KIT W/ AEROMOTIVE FPR, IAG FUEL RAILS FOR 08-14 WRX, 08-21 STI FUEL DELIVERY MADE EASY When designing ...
View full detailsProcess West Intake Manifold Track Version 2002-2014 WRX / 2004-2021 STI
The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...
View full detailsPerrin Black Cold Air Intake 2018-2021 STI
SPECS: Capable of adding 15-30 WHP depending on tune and supporting modifications Intakes are constructed from aluminum tubing which is precision ...
View full detailsCusco Drive Shaft Heat Shield (Rear Left Side) 2015-2021 STI
Steel * Bolt on installation * Only for 6 Speed MT Protect Inner joint grease from high heat from muffler front pipe.
AEM Cold Air Intake 2019-2021 STI
SPECS: Tuned and dyno-tested to improve acceleration and engine sound Low restriction aluminum intake pipe Intake pipe will come powder-coated a w...
View full detailsForced Performance Red Turbocharger 2002-2007 WRX / 2004-2021 STI
Oil supply line and gasket set included! FP Red Compressor wheel - HTZ 79 Flow rating - 65LB per minute CW Measurements - 57.3MM Inducer / 79MM Ex...
View full detailsETS Rotated Intercooler Piping Conversion Kit 2015-2021 STI
This piping kit is used to convert your stock turbo ETS FMIC kit to work with the ETS rotated turbo kit. This kit won't work on any o...
View full detailsCOBB Tuning SF Intake Replacement Filter 2002-2014 WRX / 2004-2021 STI
DESCRIPTION The filter element that originally came with your SF Intake is cleanable and can be reused for the life of your car. However, should...
View full detailsFuel Injector Clinic 650cc Fuel Injectors 2002-2014 WRX / 2007-2021 STI
DESCRIPTION These Fuel Injector Clinic 650cc Top Feed Injectors are built for the 2002-2014 WRX and 2007-2021 STI, offering a dependable increase i...
View full detailsFuel Injector Clinic 1440cc Fuel Injectors 2002-2014 WRX / 2007-2021 STI
DESCRIPTION The Fuel Injector Clinic 1440cc Top Feed Injectors for the 2002-2014 WRX and 2007-2021 STI deliver a major increase in fuel capacity, m...
View full detailsFuel Injector Clinic 775cc Fuel Injectors 2002-2014 WRX / 2007-2021 STI
DESCRIPTION The Fuel Injector Clinic 775cc Top Feed Injectors for the 2002-2014 WRX and 2007-2021 STI deliver a solid step up in fueling capacity f...
View full detailsFuel Injector Clinic 2150cc Fuel Injectors 2002-2014 WRX / 2007-2021 STI
DESCRIPTION The Fuel Injector Clinic 2150cc Top Feed Injectors for the 2002-2014 WRX and 2007-2021 STI are built for high-horsepower setups that de...
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.