MBRP S6004409 – 4″ T409 Downpipe back Exhaust – 2001-2010 Duramax 6.6L

Code: S6004409


In Stock


S6004409 MBRP 4″ Downpipe Back Exhaust – Stainless GM 2001-2007


Built from heavy duty aluminized steel MBRP’s XP Series exhaust systems offer a value price without compromising on the quality built to every componentnt. While the seams are a major pointnt of rust through with some budget systems, MBRP’s fully sealed tubing adds years to your system. Constructed to the same specifications as our top-of-the-line Pro Series. we back this with a¬†lifetime warranty. MBRP exhaust systems are as much fun to install as they are to drive with on your truck, Bolt-on, no weld design makes installing this on your truck a no hassle project. Everything is a direct fit to the OEM hangers, and you get all the clamps and parts you will need in one box.¬†Performance is one thing but at MBRP they believe that appearance and sound are just as important, every MBRP performance exhaust system has been specifically tuned to get the optimal sound from your pickup.



  • 4″ Stainless Steel
  • Downpipe Back Exhaust System
  • Free Flowing Performance Muffler
  • Lifetime Warranty
  • Exhaust Tip Included

Additional information

Weight98 lbs

Model Specific

This part fits select models

Chev/GMCDuramax 6.6 LB72001
Chev/GMCDuramax 6.6 LB72002
Chev/GMCDuramax 6.6 LB72003
Chev/GMCDuramax 6.6 LB72004