01-04 GM P/U 2500/3500 HD American Thunder Syst 1500 Exhaust System - Sport -

Exhaust System - Sport - Cat-Back - 2

Exhaust System - Outlaw - Cat-Back - 3 in Tailpipe - 3 in Tips - Stainless - Black / Natural - 5

It will do little to keep the 'limp mode' or heat soak away during a track day

This is partly courtesy of the retained computer-controlled exhaust valves that limit noise during low-speed driving and open fully during high-load conditions to allow free flow

5 in Center Outlet - 13

01-04 GM P/U 2500/3500 HD American Thunder Syst 1500 Exhaust System - Sport -Exhaust System American Thunder Cat Back 3 in Diameter Single Side Exit 4 in Polished Tips Steel Aluminized GM Fullsize Truck 2001 06 Kit