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  1. mopar505

    big block a body headers

    hard to beat the performance and fitment period
  2. mopar505

    big block a body headers

    everyone is all about these big tube exhaust headers. unless its a strictly a track car. go with the try wye
  3. mopar505

    drone no more

    so i needed to get some exhaust work done to my 440 duster. when i bought, it had 3" off the collector to mid point into dynomax. dumped right before the rear axel. had lots of low rpm drone and vibration. that i could handle, but the exhaust gasses comming in the cabin at all speeds was to...
  4. mopar505

    Mufflers Without a Drone

    X2, pulled out the dynos and installed the aero chambers. *** kicking muffler with great breathing capabilities.
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