Originally Posted by INTMD8
The quietest straight through muffler I've found is Pypes race pro. Much quieter than Magnaflow and Ultra Flow.

Edit-carnut beat me to it, agreed smile


are there any dyno tests of these? Don't think they are in any of the Engine Masters shootouts.

We're trying to decide what to put on my brother's Charger, 600hp 493" but want it as quiet as he can without killing 40hp.

70 Sport Fury
68 Charger
69 Coronet
72 RR