4" TURBO BACK SINGLE | 2003-2004 DODGE 2500/3500 5.9L CUMMINS Style:No Muffler however its suggested that Duramax

however its suggested that Duramax diesel owners install one of our Titanium Series Systems if you have several fueling upgrades or if you are looking for improved filtration and all the benefits that come with our top selling Titanium Series FASS Diesel Systems

Our New Particulate Filter is rated @ 144 microns

140 Gallons Per Hour Flow Rating

Performance Radius Cuts (PRC) are an advanced machining technique used to improve the flow of fuel through the FASS System by creating smooth flowing cuts within the aluminum housing

Improved Aeration Control

4" TURBO BACK SINGLE | 2003-2004 DODGE 2500/3500 5.9L CUMMINS Style:No Muffler however its suggested that DuramaxThese exhaust systems are available in a 16 gauge aluminized steel or T409 Stainless. FLO~PRO has made the necessary changes to ensure easy installation as all our exhaust kits come with necessary clamps, preweld contour bent hangers, and stronger flanges. With this exhaust system you can expect increased performance, lower EGTs and improved flow. Allow your truck to breath with this FLO~PRO exhaust system. FLO~PRO, horsepower you can hear! Features: