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  1. #1
    15 whp is a TON of power from an exhaust.

    Is there an exhaust in the world that makes that much power?

    Im sure ripp knows what they are doing, and I havent known their claims to be outlandish like some others with power numbers, but I dont know how freeing up the exiting air would gain that much power. even straight pipes.

  2. #2
    It all depends on how much back pressure the engine had on it.

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