4" Aluminized Cat & DPF Race Pipe W/ Flange without Muffler | 2007-2012 Dodge 2500/3500 6.7L Cummins- 411021 Engine Size:6.7L One 1/8" NPT port is

One 1/8" NPT port is provided for connecting a pressure sensor or water methanol injection

Injectors are an OEM Genuine part that is a direct replacement injector

or worry about

2011-2016 LML High side regulator on the HP rail

Fits: 1999-2002 5

4" Aluminized Cat & DPF Race Pipe W/ Flange without Muffler | 2007-2012 Dodge 2500/3500 6.7L Cummins- 411021 Engine Size:6.7L One 1/8" NPT port isConstructed out of 16 gauge aluminized steel, this exhaust system is designed to simplify installation with included clamps, preweld contour bends and improved flanges. Enjoy a noticeable boost in performance, lowered EGTs and amplified air flow with this Mel's system. For powerhouse performance, Mel's delivers horsepower you can hear! Features: Ease of installation Contour Bent Hangers TorcTite Clamps Machined Turbo Flange Eliminates Downpipe