3" Titanium Cat-Back Exhaust System (515140) - 2011-2021 WRX & STi Sedan
Experience unmatched build quality, style, and performance with the COBB Titanium Cat-Back Exhaust for your Subaru WRX or STI Sedan. Constructed from Grade 4 titanium tubing with back-purged welds for superior contamination resistance and strength, this complete system weighs just 24 lbs—nearly 50% lighter than its stainless steel counterpart. It features flexible slip-fit connections for wide adjustability, a bespoke straight-through oval muffler that produces a refined, deep exhaust note without the typical "tinny" sound, and striking blued titanium tips featuring the COBB logo.
Features
- Grade 4 titanium construction with back-purged welds
- Ultra-lightweight design (24 lbs assembled)
- Blued titanium tips with COBB logo
- High adjustability via slip-fit connections
- Bespoke straight-through oval muffler for a refined exhaust note
Fitment
- 2021 Subaru WRX & WRX STI (USDM / ADM)
- 2020 Subaru WRX & WRX STI (USDM / ADM)
- 2019 Subaru WRX, WRX STI & STI S209 (USDM / ADM)
- 2018 Subaru WRX, WRX STI & STI Type RA (USDM / ADM)
- 2017 Subaru WRX & WRX STI (USDM / ADM)
- 2016 Subaru WRX & WRX STI (USDM / ADM)
- 2015 Subaru WRX & WRX STI (USDM / ADM)
- 2014 Subaru Impreza WRX Sedan & STi Sedan (USDM / ADM)
- 2013 Subaru Impreza WRX Sedan & STi Sedan (USDM / ADM)
- 2012 Subaru Impreza WRX Sedan & STi Sedan (USDM / ADM)
- 2011 Subaru Impreza WRX Sedan & STi Sedan (USDM / ADM)
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

