ETS SKU18754 Subaru WRX / STI Extreme Cat Back Exhaust System for 2015-2018 Add Resonator to Mid-Pipe:Yes (+$100.00) AP Manager: Use your PC

AP Manager:  Use your PC or Mac to manage maps

-Capacity: 6 fluid ounces each

*Mounts with OE hardware

Rib knit cuffs and hem

Focus RS - If you have aftermarket "HARD" chargepipes like ETS or Cobb you will be required to purchase an offset coupler to get the pipe to mate up with the NX2 turbo

ETS SKU18754 Subaru WRX / STI Extreme Cat Back Exhaust System for 2015-2018 Add Resonator to Mid-Pipe:Yes (+$100.00) AP Manager: Use your PC[From the manufacturer] The ETS Cat back exhaust for the 2015 2018 WRX and STI 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 V band connections on all connections (except the factory 2 bolt) for a leak proof seal (no gaskets to blow out or replace!). Features: True 3. 0" All The Way From