ETS

This piping kit is the best on the market for relocating the factory Subaru intercooler. The factory intercooler location allows for excessive heat soak and a poor amount of heat dissipation. This...

Select your intake configuration above from either Speed Density or Stock MAF to select the correct replacement filter for your 04-21 STI Turbo Kit Intake.

The wait is over! Extreme Turbo Systems is proud to release our new Subaru STI V2 MaxFlow Front Facing Exhaust Header for the 2004+ Subaru STI. We designed our ETS V2 MaxFlow Header for customers...

The wait is over! Extreme Turbo Systems is proud to release our new Subaru STI V2 MaxFlow Exhaust Header for the 2004+ Subaru STI. We designed our ETS V2 MaxFlow Header to be a direct factory...

The ETS Cat-back exhaust for the 2011-2014 WRX is a made right here in our facility. This exhaust features a true 3.0 all the way through mid-pipe that connects to the rear section splitting into two...

This helps to isolate the intake from the hot engine bay temps and provide the coldest and most direct intake charge.  Features Utilizes the factory intake duct **PLEASE NOTE THIS AIRBOX IS...

*** This item can not be shipped directly to CA due to current CARB restrictions *** Extreme Turbo Systems is proud to introduce the first intake for the 2022+ WRX platform.  Our...

This is a replacement blow off valve pipe for a 15+ Subaru WRX, it will allow you to swap out for a different BOV from another manufacturer. - Includes AIT Bung + Plug - Does NOT include...

Replacement midpipe for ETS Catback Exhaust

ETS is proud to release our 2015-2018 WRX Intake System. Our intake system utilizes a stock size MAF housing that doesn't require any retuning. You can bolt this on and notice immediate performance...

Our intake system utilizes a stock size MAF housing that doesn't require any retuning. You can bolt this on and notice immediate performance gains! Our intake also utilizes a custom billet 5"...

We now offer the catback rear secion seperately if you're looking to change up your ETS 2015+ WRX/STI Exhaust System. Extreme - No Mufflers Standard - Includes Mufflers

The ETS Cat-back exhaust for the 2015-2018 WRX is a made right here in our facility. This exhaust features a true 3.0 all the way through mid-pipe that connects to the rear section splitting into two...

The ETS Cat-back exhaust for the 2015-2018 WRX is a made right here in our facility. This exhaust features a true 3.0 all the way through mid-pipe that connects to the rear section splitting into two...

This gasket kit increases the surface area of the flange to ensure a better mating surface between your stock components and your ETS parts and includes the following: 2.50" Graphite 2-Bolt...