Shop By Category
Your Cart

01-07 GM 6.6L Duramax FloPro 4" Aluminized CAT Back Non-Flanged Exhaust

Fits, GM Duramax Diesel 2001-2007 6.6L 2500/3500. For, Extended Cab, Long/Short box, Dually.

4" Mandrel bent tubing for maximum flow

Lower Exhaust Gas Temperatures
More Pulling Power
Utilizes OEM Hangers
Increased Horsepower and Torque

Easy Bolt-on Kits, "Everything you need"


Flo Pro part number:  820



Please login or register to review

Lame California Prop 65 Notice
Tags: GM , 6.6L , Duramax , Flo , Pro , Alum , CAT , Back , Non , Flanged , Exhaust , 820