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I have an 00 Z28 M6 only mod is a whisper lid and ngk tr55's in a couple of weeks im putting QTP 1 and 3/4" LT'S and 3" true duals w/bullet mufflers approx what amt of horepower can i expect and if any how much of a drop in my 1/4 mile time on street tires
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I say more than 25 horses. Stock exhaust to full exhaust will true duels? 30-40 with tuning.
What are you running before this, then we can say how much you will drop. It could be as much as .5 or as little as .1
-Todd
What are you running before this, then we can say how much you will drop. It could be as much as .5 or as little as .1
-Todd