The Harman Motive 3" turboback exhaust for the 08 STi features full mandrel bent stainless steel piping, cast bellmouth and high flow cat with polished stainless muffler and dual 3.5" tips.
Without tuning we saw an increase of 11hp and 9 lb/ft at the wheels. After a protune using the COBB AccessPort, gains of 34hp and 62lb/ft at the wheels were seen.Tags: Harman Motive 08 STi turboback exhaust tbe |
