Clear your PM box!
Hawk Muffler EEPROM
Hawk Muffler.... To many versions to do a single map. This one is a custom tune based from a race ecm datafile. Completed with datalogs from Tunerpro RT. It will be a 100% match on fuel. you may get a little popping back due to exhaust revision wave. that caant be tuned out. its a mechanical issue from the muffler. All you can do it buy a better muffler.