Engine Mods

Best TMIC on the market! Extreme Turbo Systems has designed a direct bolt on top mount intercooler for the 08-21 Subaru STI. This intercooler featu...

The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most ...

DESCRIPTION The OLM LE Dry Carbon Fiber Fuse Box Cover was hand crafted with great attention to detail. Each piece is cared for and goes through a ...

DESCRIPTION The COBB Front Mount Intercooler Kit for the Subaru WRX offers a significant increase in overall airflow as well as more efficient cool...

DESCRIPTION The COBB Front Mount Intercooler Kit for the Subaru WRX offers a significant increase in overall airflow as well as more efficient cool...

DESCRIPTION GrimmSpeed's Pulley Cover is designed to complement the GrimmSpeed Billet Top Mount Intercooler. This cover not only enhances aesthetic...

The result of our hard work is one of the best looking, performing and most-durable header options in the Subaru aftermarket. The runners are CNC-b...

DESCRIPTION Tired of being teased for your corroded alternator and boring engine bay? Step your Alternator Cover game up; GrimmSpeed has just what ...

DESCRIPTION Tired of being teased for your corroded alternator and boring engine bay? Step your Alternator Cover game up; GrimmSpeed has just what ...

DESCRIPTION Tired of being teased for your corroded alternator and boring engine bay? Step your Alternator Cover game up; GrimmSpeed has just what ...

DESCRIPTION We decided on a subtle design for this cover that mimics the “vent” styling on our matching GrimmSpeed Alternator Cover. Is it made fro...

Features Unmatched Air Filtration: Enjoy the largest air filter available for the '22+ WRX in our intake, ensuring top-notch airflow and filtrati...

DESCRIPTION This replacement filter can be used for the 2015-2021 STI redline carbon fiber intake. WHY? The filter element that originally...

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 ...

Introducing the Subaru OEM EJ 255 Short Block. This is a fully assembled short block that includes all the main guts such as the factory pistons an...

The COBB Redline Carbon Fiber Fender Shrouds for the VB WRX are constructed of hand-laid 2x2 twill weave carbon fiber sheets. A durable gloss cle...

DESCRIPTION The GrimmSpeed StealthBox Cold Air Intake System is the result of countless invested hours in research and development to provide the p...

DESCRIPTION Remove the overworked factory intercooler from your STI in favor of the Silver COBB Front Mount Intercooler Kit. Featuring a massive 30...

DESCRIPTION Remove the overworked factory intercooler from your STI in favor of the Black COBB Front Mount Intercooler Kit. Featuring a massive 30"...

DESCRIPTION Driveline mounts/bushings are installed to provide the driver with improved feel/response from the engine, driveline, and steering comp...

DESCRIPTION This is the factory spark plug as installed in the 2022+ WRX, 2019+ Ascent, and 2020 Outback XT/ Wilderness and Legacy XT models that...

Tired of that ugly OEM hood prop blocking your view of that beautiful boxer engine? Always wanted to open your hood with just a couple fingers? Ann...

The ALL NEW GrimmSpeed Transmission Mounts are designed to lock down your Subaru's drivetrain and enhance the driving experience, while keeping cab...

EMISSIONS This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results...

EMISSIONS This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results...

EMISSIONS This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results...