CONTEST : Guess the HP and WIN!

MOPARMAGA said

On the dyno if I remember correctly the exhaust pipes 5 inch with huge mufflers was a 20 HP loss vs how I will run in the car 18 inch collectors

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You need better mufflers, lol. If you have access, check out engine masters 1000 hp muffler test. Hooker max flows actually MADE power over a straight pipe, on a 1000+hp blown rat.