The all-new MPI Bullnoze exhaust series fits your 2019-2024 GM 6.6L, providing a Deep, Aggressive exterior sound while keeping the interior sound without that drone! The turn-down tips in front of the rear end look like a bull getting ready to charge! 

This series still gains those huge MPI Performance numbers; This bolt-on emissions-legal system features all mandrel-bent tubing built in Montana. 

Dyno Results: Test vehicle dyno gains of 16 hp and 20 lb-ft at the rear wheels over stock. Most Vehicles are gaining 2 - 4 MPG, these numbers are with zero tuning, Vs a Stock truck. 

Muffler Options  :

MPI Performance series mufflers are going to be more aggressive-sounding    (VIDEO)

Quality: MPI Exhaust Kits uses the highest quality 14 Ga. Tubing. This extra-thick tubing is proven to last in harsh environments, including road salts and rough gravel roads. It is perfectly protected with the best anti-rust coating mankind can make. Backed with our 3-Year Limited Warranty, we stand behind what we build!

Note: All our kits are produced for the longest wheelbase available for this truck. You may need to trim your kit, and the complete instructions provide all the necessary measurements to make it a perfect fit.  

G454 - Instruction