SOTF Tune without hardware 2017-2019 Duramax L5P for HP Tuners Apparel Mil-Spec Anodized Aluminum Thermostat Bridge

Mil-Spec Anodized Aluminum Thermostat Bridge Billet Block Off w/ O-Ring

View the CFAL462 Installation Sheet

2016 Chevy Silverado or GMC Sierra

HP Tuners Universal Credits - 6 Universal Credits are required for programming the ECM and 4 Universal Credits are required for programming the TCM (TCM is optional and can be done at a later date)

Puts your vehicle near the 460 RWHP mark

SOTF Tune without hardware 2017-2019 Duramax L5P for HP Tuners Apparel Mil-Spec Anodized Aluminum Thermostat BridgeTake performance to the next level on your 2017, 2018, or 2019 Chevy Silverado or GMC Sierra with our Switch on the Fly Tuning for the L5P Duramax. Our tunes are purpose built and the switch on the fly (SOTF) option gives you the power to select from five different power levels on the fly using your factory steering wheel controls or the HP Tuners Diesel Switch. Gone are the days of spending 10 minutes changing your tune when you need to tow. The