If these are the same ones that I have on my car, they are awesome, throaty idle and incredible sound and slight break up (think race car sound) at WOT. Nothing like a Flowmaster, very distinctive.
Great deal on a nice set of mufflers.
Doug
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1996 Impala SS - 45K original miles - 5.3 LS swap - Brand new Bilsteins...WHAT A DIFFERENCE!