MONKEYSOCKS Posted 4 hours ago Share Posted 4 hours ago Currently running invidia gemini exhaust with cobra HFC's, I've heard the motordyne art pipes get more gains and are quieter? If so, does anyone know what the gain difference is on a dyno? I'm aware that they'd need to be swapped out at MOT and that there is a smell with them apparently. Any feedback would be appreciated. 👍 Quote Link to comment Share on other sites More sharing options...
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