11-12 Duramax LML HSP Max Flow Bundle Automatic In stock and ships the

In stock and ships the same day

the higher the demand

Sounds audible alerts when user-defined values are reached and automatically records the highest value of key parameters

ATS Extra Deep Transmission Pan adds+4

11-12 Duramax LML HSP Max Flow Bundle Automatic In stock and ships the** 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