Quote:
Originally Posted by Megan370z
I suspect the internal of the stock muffler cannot handle the increased flow/heat and has a very good chance to start rattling
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while im not doubting the stock muffler blowing
test pipes make your exhaust run cooler since there is no cat, cats heat up the exhaust since they need to run at 600F+ in order to work
i think it cant handle the extra flow if anything