COBB Stainless Steel Catback Exhaust – 2015–2021 Subaru WRX / STI BF 10 Off Install with the engine cool

Install with the engine cool and vehicle on level ground

The COBB Titanium Cat-Back Exhaust is a premium

Detailed Installation Instructions

and better control lap after lap

Rear 2-Position Adjustment: Adjust rear response for rotation and stability

COBB Stainless Steel Catback Exhaust – 2015–2021 Subaru WRX / STI BF 10 Off Install with the engine coolThe COBB Stainless Steel Cat Back Exhaust for the 20152021 Subaru WRX and STI Sedan is built for drivers who want premium construction, proven performance, and a refined exhaust note without going over the top. Designed as a true vehicle specific system, this cat back delivers strong flow and excellent fitment while keeping a clean, stock like appearance. From the cast flanges to the bespoke muffler design, every section of this exhaust is engineered