2015.5-2016 Duramax 6.6L DieselR 4" Cat & DPF Race Pipe No Muffler (255-02401)

Built to Last:

Constructed from heavy-duty 16 gauge 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 contour bent hangers and TorcTite® clamps 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.