2017 - 2023 GM 6.6L L5P Duramax | Transmission Tuning by PPEI

2017 - 2023 GM 6.6L L5P Duramax | Transmission Tuning by PPEIExtend your L5P Duramax's transmission's life and increase your fuel economy with PPEI's T87A T93 Transmission tuning! A MUST for tuned trucks with additional torque. PPEI was the first to offer transmission tuning for these new allisons and we have not let off the throttle since! 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!

8 Hours On Low

Superior Towing Capabilities: Our LBZ Duramax Engine Calibrations are not just about raw power

This regulator offers more consistent fuel pressure and allows for higher flow rates at pressure

For Stock Transmissions: We offer varied power levels

No core charge

and performance to your vehicle by correcting the Ball Joint angle for lifted and leveled applications and improving the allowable droop travel for a better ride quality

look no further than the RDS L5P 68mm drop-in turbo

DM1MO1070203000

or breakage

*Our Control Arms will NOT fit with most OE Wheels on the 6 Lug Trucks

powder coated

Year Make Model Sub-Model Year Make Model Sub-Model 2011-2019 GMC Sierra 3500 HD SLT 2011-2019 GMC Sierra 3500 HD SLE 2011-2019 GMC Sierra 3500 HD Denali 2015-2019 GMC Sierra 3500 HD 2011-2019 GMC Sierra 2500 HD SLT 2011-2019 GMC Sierra 2500 HD SLE 2011-2019 GMC Sierra 2500 HD Denali 2015-2019 GMC Sierra 2500 HD 2011-2019 Chevrolet Silverado 3500 HD WT 2011-2019 Chevrolet Silverado 3500 HD LTZ 2011-2019 Chevrolet Silverado 3500 HD LT 2015-2019 Chevrolet Silverado 3500 HD High Country 2011-2019 Chevrolet Silverado 2500 HD WT 2011-2019 Chevrolet Silverado 2500 HD LTZ 2011-2019 Chevrolet Silverado 2500 HD LT 2015-2019 Chevrolet Silverado 2500 HD High Country 2011-2014 GMC Sierra 3500 HD WT 2011-2014 GMC Sierra 2500 HD WT Instructions