03-07 Cummins Pusher Intakes 3" Cross Air System Gauges Provides the ability to recalibrate

Provides the ability to recalibrate the speedometer for wheel/tire changes

Installing or using this part on any emission-controlled vehicle

Steel - BD Machined

5-'14 Chevy 2500/3500 Silverado Duramax

03-07 Cummins Pusher Intakes 3" Cross Air System Gauges Provides the ability to recalibrateFeatures This is the most cost effective way to protect your rear cylinders on trucks under the 500HP mark. It addresses the restrictive factory intake manifold and the air starvation of the front and rear cylinders. The Cross Air adapts to existing ports at the front and rear of the intake plenum that are normally sealed off with a freeze plug style fittings from the factory. By splitting off the driver side charge tube and creating two additional