Rt71668
Senior Member
Want to upgrade my muffler and was considering the Flowmaster American Thunder. My mechanic said it’s garbage ! Anyone have one or can suggest one without breaking the bank ? TYIA.
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I have the American Thunder Flowmaster with Flowmaster tips and I like it a lot rumble when you get an it but never annoying.Want to upgrade my muffler and was considering the Flowmaster American Thunder. My mechanic said it’s garbage ! Anyone have one or can suggest one without breaking the bank ? TYIA.