2003-2004 Cummins 5.9L Aluminized 4" Down Pipe (DAL405) GMC

2003-2004 Cummins 5.9L Aluminized 4" Down Pipe (DAL405) GMCGet even more exhaust flow with this 4" Down Pipe. Constructed from aluminized steel, you can cou on this pipe lasting for as long as you own your truck.

consider upgrading to our #110 springs for safer operation

This feature allows you to drain all of your oil pan’s dirty engine oil

4L Powerstroke - Avoid those nasty intercooler boot blow-offs on the highway with BD's Heavy Duty Intake Hose & Clamp kit

This is not a home install

such as increased oil consumption

7L Ford Powerstroke Cab & Chassis with this quality replacement from Alliant

Alliant products are built to meet or exceed the factory specifications

4L Mean Green 300AMP High Output Alternator (MG1290HD)

Make sure that the cam has a liberal amount of quality assembly lube applied

3L KC Stock Plus Billet Turbocharger (300410)

Modelled after the 366SXE compressor wheel

This kit eliminates the "dead-head" stock fuel rails and provides adjustable fuel pressure capability to the Powerstroke fuel system