Thread: Are there any side pipes for sale that DON'T eat HP?
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Old 10-08-2013, 03:06 PM
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Which engine combos are you all losing power on from side pipes? I don't have much to base it on, but going from projected flywheel horsepower to recorded rear wheel horsepower, I don't believe that the Backdraft side pipes have much restriction for sub 600hp engines.
Last edited by itstock; 10-09-2013 at 05:22 AM..
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