01-04 Duramax 5" Downpipe back exhaust no muffler - Aluminized T-shirts resulting in enhanced engine performance

resulting in enhanced engine performance

This kit includes both the hot and cold side intercooler pipes and outflows your factory components by up to 32%

Properly installed

Gaskets & Adapters

01-04 Duramax 5" Downpipe back exhaust no muffler - Aluminized T-shirts resulting in enhanced engine performanceHighlights 5" Downpipe Back System No Muffler Aluminized Steel Single Side Exit Built from heavy duty aluminized steel our Performance Series exhaust systems offer a value price without compromising on the quality built into every component. While the seams are a major point of rust through with some budget systems our fully sealed tubing adds years to your system. Constructed to the same specifications as our top of the line Pro Series we back this