We Inventory the 5" and 4" I/O Hushpower Pro Series Mufflers.
We Can and do ship same day.
These mufflers are extremely free flowing, but still contain the DRONE most of us Cummins owners have come to know. The truck still sounds great from outside the cab, and EGT's see no change from the straight pipe system.
If your on a quest to buy the right piece one time, this muffler is the trick. Regardless if you are running STACKS or the Out The Back Exhaust, Hushpower
has satisfied every customer we've sold one to.
At this time, we are selling the Hushpower Pro Series to Forum members at MAP price, We ship Ground for free and throw in Accuseal Clamps if needed.
If there is a part number you need besides the 4" & 5" unit, feel free to inquire....