Flowmasters too LOUDDDD..& Cuda Duals...
personally, I like it loud, got Flowmaster 40s on mine, but yes, it realy droans and vibrates the car when you bring the RPMs down. They are loud. That is a fact, but I dont think I can change them to a quiter set up....I'd probably not like it...for myself anyways.....the passenger might appreciate it though.
-RPM