11-12 Duramax LML HSP Max Flow Bundle Automatic the higher the demand

the higher the demand

In stock and ships the same day

This transmission pan is a bolt-on replacement and will hold 5

The RetraxONE MX is key lockable any position that gives you unlimited flexibility in your hauling capacity

Spiral wrapped with titanium woven thread for superior heat that's held in place with stainless steel clamps

11-12 Duramax LML HSP Max Flow Bundle Automatic the higher the demand** 7 8 Week Build Time Normally** This kit will allow you and your engine to breathe easy. Featuring a mandrel bent 4 inch intake tube for massive air flow gains, with HSP's signature heat shield box eliminating unwanted hot air entering the cold air intake. For every 1 degree increase of intake air temperature will result in a 3hp loss. This kit also features HSP's high flow turbo mouthpiece. This turbo mouthpiece will give you the ability to reroute