2004.5-2005 Chevrolet / GMC Max Flow Bridge to HSP Cold Side Raw Chevy/GM A set of 304 stainless

A set of 304 stainless dual-wall

Powerstroke

Outflows stock by 51

5 Inch ID x 3 Inch Long Performance Silicone Reducer - Straight (515403503)

Simply install the LS valve cover adapter plate onto your GM LS1

2004.5-2005 Chevrolet / GMC Max Flow Bridge to HSP Cold Side Raw Chevy/GM A set of 304 stainlessIncrease performance and flow with our upgraded 3 inch Max Flow Bridge. Our precision cast and CNC machined bridge section allows for maximum efficiency, as well as, a perfect fit every time. This component is designed to not only increase the efficiency of your Duramax but also provide a solution to the factory unit which is very restrictive and known to have boost leaks. This kit comes with a 3 inch boot to pair with your already purchased HSP Cold