2007.5-2010 Duramax LMM DieselR 4" Downpipe Back Exhaust Single No Muffler (255-01412)

Built to Last:

Constructed from heavy-duty T409 stainless steel for maximum durability.
Mandrel-bent for a perfect fit and improved airflow.
Improved flanges ensure a leak-free connection.

Effortless Installation:

Includes clamps, pre-welded contour bent hangers, and strong flanges for a hassle-free installation.

Performance Gains:

Expect increased horsepower, lower Exhaust Gas Temperatures (EGTs), and improved airflow.
Unleash your truck's potential and let it breathe easier with DIESELR!
Hear the difference! DIESELR performance exhaust delivers a throatier sound.