03-07 Cummins aFe Twisted Steel Exhaust Manifold1 3 4" to 2" x . 120 Wall Stainless Steel: A 1 3 4" head pipe stepped to 2" x . 120 wall stainless steel tubing, is used to increase exhaust velocity and increase usable torque. This means a more aggressive throttle response and increased passing power. TIG Welded: 100% TIG Welded by certified craftsmen for race proven strength and durability. TIG Welding provides the strongest welds reducing stress cracks. Divided T3 Flange: Utilizes a divided diesel

$300 fully refundable core is required before pump ships

hassle free installation

or mm3 tuning you will need to have your tuner re-scale the MAF sensor for the 5" tube so that the truck fuels the way it should with the bigger intake

Huge Pro 5R Performance Air Filter:

wont move after extended parking

Gasket & Seals

intake piping

Outflows stock Intercooler tube by 14%

That's why the fastener experts at ARP have developed special bolts that are far superior to OEM hardware

Opens and Closes Easily With One Hand

Full-Color

Above that range