PPEI Allison Transmission Tuning For 2015.5-2016 GM 6.6L LML Duramax T87 intercoolers the XDP HD Series Alternators Replaces Ball Joint on

PPEI Allison Transmission Tuning For 2015.5 2016 GM 6.6L LML Duramax T87 intercoolers the XDP HD Series Alternators Replaces Ball Joint on the XDP HD Series Alternators have you covered Mellow exhaust tone PPEI also refines the torque converter lockup strategy to put the power to the ground much more efficiently for improved fuel economy by eliminating unnecessary slip in the torque converter – which also drives down heat in typical “unlocked” conditions The refined shift points get rid of the low rpm “Lazy” feel these trucks have that force the driver to stab the throttle for a downshift – not cool and a fuel economy killer