Reply to "GTS exhaust gutting"

crazydaveEFI Expert

I did a slightly different modification to a set of GTS mufflers. They actually are pretty quiet. On a supercharged 4.6, they flow pretty good and make power where we let off at 7000 rpm on the dyno with no drop. Would like to try this same modification to mufflers on a cleveland to test. Anyone want to send me a set of mufflers?

3/8/078:46 PM

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