i just got my cobra back from my cat back install.....all i can say is thanks guys!! the magnaflow is everything you folks said it would be......a nice little rumble , yet mello at the same time and absolutely zero drone!!!!........and the performance gains where sotp awesome ! you boys and girls are the best........cai next, then its bmw z8 time.......i can feel the confidence building,,,,,,,,,,,hehehehe