2001-2005 Duramax Cat back Exhaust

2001-2005 6.6 Duramax Cat Back Exhaust

Diesel engines need to be able to get air in and out as easily as possible. 

By reducing the restriction of the factory exhaust you will not only pick up HP, reduce EGTs, increase throttle response and reduce back pressure but you will also have a truck that produces that iconic turbo whistle!

TIP INCLUDED WITH STAINLESS KITS

Available in 4in and 5in

Available with or without a muffler

Available in Stainless and Aluminized

All Clamps & Components for Install Included

Reduce EGT's

Increase HP, MPG and Throttle/turbo Response

(Product may differ from image)

(THIS PRODUCT CAN NOT BE SHIPPED TO CALIFORNIA)

WARNING: Vehicles originally equipped with a catalytic converter must retain the factory catalytic converter. Removal of the catalytic converter may be a violation of federal or local regulations.