2015-2021 Subaru STI

This kit is designed to provide a way to data log and monitor the ethanol content of fuel on most new Subaru Vehicles. Our proprietary controller r...

DESCRIPTION If you’re going flex fuel, turning up boost, or upgrading to a turbo that actually needs fuel, the Injector Dynamics ID1050-XDS Top Fee...

The Injector Dynamics ID1750-XDS fuel injectors are a high-flow, top-feed injector set built for Subaru owners who need serious fueling headroom fo...

The AEM 21-836WR Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle’s restrictive factory air filter...

SPECS: Tuned and dyno-tested to improve acceleration and engine sound Low restriction aluminum intake pipe Intake pipe will come powder-coated a w...

DESCRIPTION The OLM V2 LE Dry Carbon Fiber Ducted Fender Trim are top of the line fender vents. Unlike most carbon fiber products, they are made fr...

EMISSIONS SEMA Certified - SC -GRM01-0145 for listed fitments CARB Certified - EO - #D-896 for listed fitments DESCRIPTION We designed this up pip...

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

DESCRIPTION The GrimmSpeed Stage 1 Power Package combines GrimmSpeed's Cold Air Intake System, as well as the GrimmSpeed 3-Port Electronic Boost Co...

DESCRIPTION This is the GrimmSpeed Top Mount Intercooler. Once you start performing modifications that add more horsepower and more boost, eventual...

DESCRIPTION GrimmSpeed's new Overtake BB500 Turbocharger is another powerful turbocharger designed by GrimmSpeed. The Overtake Ball-Bearing 500-Ser...

DESCRIPTION The GrimmSpeed Front Mount Intercooler Kit from GrimmSpeed has been designed with a great balance of low-pressure drop and high-tempera...

XR Red   Compressor wheel - 79HTZ Flow rating - 65LB per minute CW Measurements - 57MM Inducer / 79MM Exducer TW Measurements - 67.7MM Inducer / 6...

XR Blue™   Compressor wheel - 73HTZ™ Flow rating - 57LB per minute CW Measurements - 52.6MM Inducer / 73MM Exducer TW Measurements - 60.8MM Induc...

New for 2020! All FP Black model turbos will come standard with a black coated compressor cover!   Compressor wheel - 82HTZ Flow rating - 71LB per...

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...

FP Black HTZ Compressor wheel - 82HTZ Flow rating - 71LB per minute CW Measurements - 59.1MM Inducer / 82MM Exducer TW Measurements - 67.3MM ...

Draw from our success of the PLM strut tower bar for Honda models, we are pleased to offer our strut tower brace for Subaru WRX & STI. Made fr...

PLM Power Driven Subaru 44mm EWG Up-Pipe with Dump Tube features a unique designed Up-pipe which gives you the option to install a 44mm or 45mm ext...

PLM Private Label Mfg. Power Driven Subaru EWG Up-Pipe with Dump Tube 38mm features a unique designed up pipe which gives you the option to install...

The ETS Subaru STI Turbo Kit is one of the most complete kits on the market utilizing optimal intercooler pipe routing and a larger ported s-cover ...

This is handmade here in the USA at Extreme Turbo Systems. This will bolt up with a 3.0"-4.0" ETS intercooler and requires no additional trimming o...

This piping kit is the best on the market for relocating the factory Subaru intercooler. The factory intercooler location allows for excessive heat...

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...

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...

This piping kit is the best on the market for relocating the factory Subaru intercooler. The factory intercooler location allows for excessive heat...

The Extreme Turbo Systems 2015-2021 Subaru STI Twin Scroll Turbo Kit is designed to give you the broadest powerband without sacrificing performance...

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 ...

This piping kit is the best on the market for relocating the factory Subaru intercooler. The factory intercooler location allows for excessive heat...

This piping kit is the best on the market for relocating the factory Subaru intercooler. The factory intercooler location allows for excessive heat...

Tired of heat soak? We don't blame you!   It's time to upgrade to an intercooler that is designed specifically for the 2015+ WRX with performance i...