ulimateracing

  1. 9thGenTDot

    2013 Civic si - downpipe suggestion

    I'm really leaning towards the ultimate racing downpipe as full race as discontinued theirs. I'm just really torn between if I wanna go catless or catted. I've read up on a lot of good things regarding UR's downpipe, but not sure if I want to spend that extra 150 for a metal high flow cat, any...
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