2” was proven to not lose power and gain a little torque comparing cars with the same mods at the shop. I can’t speak for others experiences...
Plus with all the random Dyno graphs I see posted showing 500hp with a few bolt on’s to the tires gets me too, no consistency in Dyno load, correction factors, etc. I wonder if people realize the changes that can be made on a Dyno to spit out a fantastic #
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