exhaust system

  1. N

    I need help with my exhaust system ....

    Hi guys, i have a tuned 2015 sho with air-intake, castles downpipe, 2.5 resonator and custom built bullet exhaust. The problem is that the exhaust sounds terrible, the tone sounds too high and raspy and i don't know what to do with it. I'm currently thinking of replacing the resonator with...
  2. switch527

    Power Loss After Catback

    Hey guys, Just got back from the dyno after my magnaflow catback was installed and I lost 20hp and 25lbft. Before this I had the catted downpipes, 3 bar, and the livernois tune and it mad 390hp and 450tq. After the catback I'm at 370 and 425....anyone have any ideas on this? I'm not sure where I...
  3. rpettey

    Gen 3 Borla Exhaust

    Greeting, I am looking for a Borla exhaust system for my 98 SHO. thx
  4. SHOHARD

    Exhaust Twangy Noise

    Hey everyone! I got my SW DP and installed them, they sound amazing but... the car still was not loud enough for me and they Dynomax mufflers had to much drone. I went to a shop and had them do 2 1/2" from the DP back and deleted the mufflers. HOLY **** that was a terrible idea!!! So I went...
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