The ETS Axle-back exhaust for the 2015-2018 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 little bit more noise and performance out of your WRX or STi.
- 2.5" SS Piping
- Includes Gaskets
- Quad 3.5" Double Wall tips
- Easy Installation
- Available with or without mufflers
- Increased Performance and Sound
- Lifetime Warranty
QUESTIONS & ANSWERSAsk a Question
Will this fit the stock y pipe of a 2015 sti?
Will it fit a 2019 sti?
Our axleback system does not fit the 2019 STI. However, our catback system fits with no issues. https://www.extremeturbosystems.com/collections/15-19-sti-exhaust-systems/products/ets-subaru-sti-2015-catback-exhaust-system