ETS

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 along with a wide variaty of turbochargers to match...

The Extreme Turbo Systems 2015+ Subaru STI Twin Scroll Turbo Kit is designed to give you the broadest powerband without sacrificing performance by using the latest turbocharger technology from Borg...

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...

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...

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...

This is a replacement blow off valve pipe for a 04-07 Subaru STI, it will allow you to swap out for a different BOV from another manufacturer. - Includes AIT Bung + Plug - Does NOT include...

This is a replacement blow off valve pipe for a 08-14 Subaru STI, it will allow you to swap out for a different BOV from another manufacturer. - Includes AIT Bung + Plug - Does NOT include...

This is a replacement blow off valve pipe for a 08-14 Subaru STI, it will allow you to swap out for a different BOV from another manufacturer, now available in Titanium! - Includes AIT Bung + Plug -...

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

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 air possible. Our intake is made from high quality...

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 air possible. Our intake is made from high quality...

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

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...

This piping kit is the best on the market for relocating the factory Subaru intercooler, now offered in lightweight Titanium, and is available in a Brushed or Anodized (Blued/Burned) Finish...

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...