This is our all new downpipe for the 2015+ WRX with the 2.0L DIT engine.
Includes a high-flow cat and an extra O2 bung and plug so you can run a wideband O2 sensor.
Please note that this part REQUIRES a tune for proper vehicle operation. If you don't already have a COBB Accessport, select the Accessport option above for a killer deal.
COBB Accessport Application Guide
All prices are in USD