2001-2004 Duramax LB7 Aluminized 3" Turbo Down Pipe (GM8425) 2003 Ford EGR Upgrade

2001-2004 Duramax LB7 Aluminized 3" Turbo Down Pipe (GM8425) 2003 Ford EGR UpgradeRemove the restrictive OEM downpipe and replace it with MBRP's GM8425 3" Downpipe. This will help your LB7 breath by increasing the exhaust flow of your turbocharger. Featuring full 16 gauge mandrel bent tubing to maximize flow, as well as an extremely durable high temperature ceramic coating, these pipes will deepen the sound of your Duramax while lowering EGT's and provide a quicker throttle response. The install process is as simple as it gets from

The factory heater can't fail if it's not there

the 6R140 Pressure Controller is only operational when turbo boost exceeds 15psi

Upgrade your valvetrain with these 1

Mahle Original head gasket sets give you original equipment form

7L Mahle Lower Gasket Set (CS54886A)

Keep your Borla system looking new with Borla Exhaust Cleaner & Polish

7L Fuel Contamination Kit (AP57002)

Socket Size: 5/8 12pt

Check the descriptions to learn more about each of the engine series for this build

9L 4" Turbo Back Single Exhaust w/ Muffler (411032 / 412032)

A drop-in stock appearing turbo that is anything but stock

124″ diameter)