Quote:
Originally Posted by Hamwallet
I picked up 15-20 HP and torque on my LS1 GTO's with a good dyno tune bone stock. Of course I had them tuned in Orlando and Tampa when I lived down there. Not sure if there are any good tuners in Kansas City. It was worth the 3-400 bucks each time.
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I live in the Tampa metro area.
Question is for anyone.....Does muffler delete change RPM / performance curve? Does a dynotune blow the warranty?