03-07 Cummins 5.9 aFe Stainless Exhaust Manifold T303 07 Dodge Ram 2500, 3500 5. 9 Cummins Eliminate the costly exhaust manifold cracks prevalent in the factory exhaust manifold. The aFe Bladerunner exhaust manifold for the popular 5. 9L Dodge Ram Cummins sets the new standard. Constructed out of cast 304 stainless steel with a reinforcing rib for strength along the flange and ultra thick wall flange at the port. The BladeRunner exhaust manifold outflowed the factory exhaust by 23% improving exhaust

Digital laser measurements of interior surfaces offer a consistently perfect fit

Increased performance and spool up

Performance tuning for mileage

5" version will be what you need

Designed For High HP Applications

5-2010 GM 6

01-07 Duramax

3x 10-32 x 3/8” Button Head Screws

2-Piece - 2003+ Dodge 5

Gear Ratio Adjust 3

5-inch deep pan is for those who like their rides lowered to the ground

these will be the last hoses and boots you will ever buy