Pontiac G8 GT Magnaflow exhaust with x-pipe Pontiac G8 GT Magnaflow exhaust with x-pipe FYI, when you rev it up in Park or Neutral the limiter is only 4k RPM (thats what the popping noise is) sorry about the sound quality its recorded with a normal camera which doesn't give a full range of sound will try to get better footage with my video ca Tags : PontiacG8GTMagnaflowexhaustxpipepipexpipecatback Views : 5681 This video added by 08g8gt .