LB7 Duramax Turbochargers and Exhausts

Improves airflow up to 176%. 4-inch constant-diameter cat-back system nearly triples flow. Straight-through muffler. 5-inch tip optional. Fully com...

100 Percent stainless, not aluminized! Improves flow up to 176 Percent. Cat Back System with giant polished Chrome rolled-edge tip. Muffler's expan...

100 Percent stainless, not aluminized! Improves flow up to 176 Percent. Cat-back with giant Cerakote Black rolled-edge tip. Muffler's expansion cha...

Improves airflow up to 176 Percent. 4-inch constant-diameter cat-back system nearly triples flow. Straight-through muffler. 5-inch tip optional. Fu...

Improves airflow up to 176 Percent. 4-inch constant-diameter cat-back system nearly triples flow. Straight-through muffler. 5-inch tip optional. Fu...

100 Percent stainless, not aluminized! 4-inch mandrel-bent tube improves flow up to 176 Percent with virtually no back pressure. Side Single exit w...

100 Percent stainless, not aluminized! 4-inch mandrel-bent pipe improves flow up to 176 Percent with virtually no back pressure. Side Single exit C...

The head pipe is one of the biggest restrictions in your vehicles exhaust system. Pushing air out of the turbocharger wastes power that should be g...

100 Percent stainless, not aluminized! 4-inch mandrel-bent tube improves flow up to 176 Percent with virtually no back pressure. Side Single exit w...

100 Percent stainless, not aluminized! 4-inch mandrel-bent pipe improves flow up to 176 Percent with virtually no back pressure. Side Single exit C...

Under high-boost conditions, the stock actuator's weak spring allows the wastegate to blow open, limiting midrange torque. Bleed orifices (also kno...

100 Percent stainless, not aluminized! 4-inch mandrel-bent tube improves flow up to 176 Percent with virtually no back pressure. Side Single exit w...

100 Percent stainless, not aluminized! 4-inch mandrel-bent pipe improves flow up to 176 Percent with virtually no back pressure. Side Single exit C...

Wehrli Model WCF100489-IPWehrli 01-04.5 Chevrolet 6.6L LB7 Duramax S400 Turbo Install Kit (No Turbo) - Illusion Purple

Wehrli Model WCF100615-GWWehrli 01-04 Chevrolet Duramax LB7 S300/S400 Single Turbo 3in Y-Bridge Kit - Gloss White

Wehrli Model WCF100489-BRWehrli 01-04 Duramax LB7 S400 Single Turbo Install Kit - Bengal Red

Wehrli Model WCF100478-BCWehrli 01-04 Chevrolet 6.6L LB7 Duramax S300 Turbo Install Kit (No Turbo) - Bronze Chrome