MBRP Direct-Replacement Muffler MK96116

Just had the replacement muffler kit installed on my 2007 5.9 Cummins. I also saw the inside of the factory muffler (yikes)! I noticed the great low-end growl and it is just as quiet as stock on the Interstate. The throttle is more responsive off idle and pulls harder from 2-4 gears. It sounds so good I want to drive through a parking garage someplace with all the windows down! LOL. I lived with the stock set up for 218,000 and now it is time for some fun.

This muffler is exactly what I wanted for my 06 5.9 Cummins. It's just a little louder than stock and not at all annoying. You can still drive with the windows down, have a conversation in the cab and not have to turn the radio up. It just makes the truck growl a little more and no drone. It has increased my MPG at least 2 and helped greatly with turbo lag. Made a huge difference towing 14,000 pounds up all these hills. Order Number 814874

Bought this muffler assembly to replace the stock one on my 2005 Ram 3500 dually. It took less than an hour to install, the fit of the hangers was excellent and it included clamps that worked well. Hardest part was cutting off the old muffler. A recip saw or die grinder works well enough to get it done. This is a nice high flow upgrade over the origional. The best part is the sound... it has a very low frequency tone, sounds a lot like a V-8 with glass packs - it is fairly quiet at low throttle, but you definately know it's there when you get on it. It also adds a small amount of turbo whine out the back. 2 thumbs up.