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

All hardware

*Mounts with OE hardware

-Capacity: 6 fluid ounces each

not performance

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