Exhaust, Mufflers & Tips

Check out this awesome install video by Dustin Williams.    

Replacement midpipe section for the ETS 11-14 WRX/STI Sedan Catback Exhaust, available in either Resonated or Non-Resonated configurations.

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 3" pipes and finished off with quad 3.5" tips. We use...

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 that want to design their own front facing turbo kit. We...

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 replacement header. We start off with large 1 7/8 primary...

This is a replacement turbo compressor outlet to intercooler pipe gasket for an ETS 15-21 WRX Intercooler Kit.

This is a single (1) replacement gasket for our Subaru 2-bolt axle back exhaust systems.  The inner diameter of this gasket is roughly 2.5". You will need to order (2) qty if you want a gasket for both the left and right side.   Fitment 15-21...

2-Bolt High Temperature Exhaust Gasket (3" I.D.).  This is a replacement gasket for the Mitsubishi Evo 8/9/X and Subaru WRX/STI.

Features: 3.0" 304 Stainless Steel Construction 304 Stainless Steel Flanges CNC Mandrel Bent Direct Factory Replacement Supports over 800whp! Gen 2 GESI Catalytic Convertor Supports Up To 850whp!  Includes new studs and nuts Please Note this...

Replacement midpipe for ETS Catback Exhaust

This midpipe converts your ETS axleback to a catback exhaust.

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 3" pipes and finished off with quad 3.5" tips. V-band...

The ETS Axle-back exhaust for the 2015-2021 WRX and STI utilizes a full stainless steel construction. The axle back is 2.5" that mates to the stock 2 bolt flange. All gaskets are included to aid in ease of installation. This is the easiest way to get a...

This is a single (1) replacement gasket for our Subaru 2-bolt axle back exhaust systems.  The inner diameter of this gasket is roughly 2.5". You will need to order (2) qty if you want a gasket for both the left and right side.   Fitment 15-21...