COBB Stainless Steel Catback Exhaust – 2015–2021 Subaru WRX / STI BF 10 Off utilizing in-house scan data for

utilizing in-house scan data for a near OEM result

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

Bolt-On Design

Heat-Treated Titanium Tips: Dual-wall rolled and riveted design for form

COBB Stainless Steel Catback Exhaust – 2015–2021 Subaru WRX / STI BF 10 Off utilizing in-house scan data forThe 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