Best flowing muffler for a lt1
#31
I found the way to get the most power is to run a 3" off road pipe streight off the headers. If you have to run a cat, get a hi flow bullet can. You can purchase one anywhere and w/ either a Flowmaster style or a Borla muffler or even an SLP muffler will work well. But nothing seems to work better than headers, an off road pipe and a high flow muffler.
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