Featuring 4 Inch Double Wall Tips, this bolt-up, factory fit exhaust system is tailored to match your goals for your car. With 18 more configurations to choose from with various sound levels and tip styles, we have you covered. Check the other configurations on the vehicle page.

The 20192021 STI Catback from Nameless Performance follows a long line of exhaust R&D established by Nameless Performance over the last four years. Following closely in the footsteps of the 1114 WRX/STI Sedan Catback, with a number of improvements and changes to fit perfectly on your 19 STI using the tried and true standard EJ series engine. In testing on the EJ series engine, this catback has shown midrange gains of +32 ft-lb of torque and +22 hp at the wheels above and beyond a standard off-the-shelf Stage 1 tune. That standard is achieved through a number of innovative design cues that have made Nameless Performance the top name in Subaru aftermarket exhaust development and engineering.

Key Features

• Matched flow dynamic from the 3″ diameter resonated main circuit into the 2″ diameter secondary circuits (dual rear circuits)

• Larger diameter 2.25″ Y section in the midpipe to ensure proper exhaust gas division without restriction

• Maintains higher midrange torque and horsepower gains compared to oversized rear circuits

• Substantial reduction in low frequency cabin noise (exhaust drone) at cruise while retaining an aggressive tone at wide open throttle

Materials & Build Quality

• Constructed from 100% T304 stainless steel throughout flanges, tubing, hangers, and perforated muffler tubing

• Muffler packing uses medium density, high temperature resistant ceramic wool for long life and compact, lightweight design

• Mufflers designed in-house to outperform many market standard mufflers 34x their size

Fitment

• 20192021 Subaru STI (EJ series engine)