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, including 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 over the last four years. Following closely in the footsteps of the 1114 WRX/STI Sedan Catback, it includes a number of improvements and changes to fit perfectly on your 19 STI using the tried and true standard EJ series engine. Testing on the EJ series engine shows midrange gains of:

• +32 ft-lb of torque

• +22 hp at the wheels

above and beyond a standard off-the-shelf Stage 1 tune. These gains are achieved through innovative design cues that have made Nameless Performance a leader 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

• Produces more torque through the midrange than most exhausts on the market, while retaining higher than average horsepower gains

• Substantial reduction in low frequency cabin noise (exhaust drone) at cruise compared to larger rear circuit systems

• Retains aggressive tone at wide open throttle without boomy or raspy sounds

Materials & Build Quality

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

• Muffler packing made of medium density, high temperature resistant ceramic wool

• Compact, lightweight muffler design muffles better than many market standard mufflers 34x the size

Fitment

• 20192021 Subaru STI (EJ series engine only)

• Direct bolt-on, uses factory mounting points