The Expandit Company
This is a complete turbo back 4" aluminized exhaust system for the 2001-2003 Duramax Diesel. The Expandit kit includes a 3.5" mandrel-bent downpipe, pipes from the downpipe to the rear of the truck, and a high flow muffler.
With the direct fit turbo flange and full mandrel-bent tubing, installation is a breeze! The kit comes with all the clamps and hangers you will need for installation. Horsepower and torque gains, along with better fuel economy, can be noted....as well as a drop in EGTs (Exhaust Gas Temperatures).
This system does not include the tip. You may add an exhaust tip below! Be sure to choose which size you would like - 4", 5", or 6". The tips are all chrome to add the ultimate finishing touch to your new exhaust system. (Weld On).
Choose Crew Cab, Extended Cab, or Standard Cab below.
Privacy
and Security Guaranteed 
