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I was curious to see how much i will gain with all the upgrades i have... the upgrades i have are:
Lt headers, custom dual exhaust, FAST 90/90, k&n filter wt SLP lid
With a tune roughly how much will i gain
Long tubes and the fast probably got you around 25hp. Exhaust maybe 8hp lid 10hp. I'm just guessing btw from past dyno sheets I seen with mods like this