Installed mine today and the butt dyno shows increase. Filters looked ready for replacement anyways. As for sound, no difference as my catback muffles any sound there is.
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09 370Z Sport 6MT Chicane Yellow
Powertrix | Swift | SPL | SPC | Fast Intentions | Berks | Stillen | Z1 | Setrab | Mocal | H&R | TWM | RJM | Sparco | Buddy Club | Tanabe | GaleForce | EVO-R | ZSpeed | Pioneer
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