2001 - 2004 GM 6.6L LB7 Duramax | Allison Transmission Tuning by PPEI RZR 1000 XP 4 EPS and 2-3hp with the Slip

and 2-3hp with the Slip Ons

Jeep 05-211 Grand Cherokee 3

a Single Slip On in the Titan Series

Finished off with a personalized black powder coated rear beauty plate and black Ceramic 4-inch intercooled tips

2001 - 2004 GM 6.6L LB7 Duramax | Allison Transmission Tuning by PPEI RZR 1000 XP 4 EPS and 2-3hp with the SlipCARB EO Pending Extend your transmission life and increase your fuel economy with PPEI Transmission tuning! A MUST for tuned trucks with additional torque. 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! For vehicles with larger turbochargers, ppei transmission tuning is a must to get the engine back into a rpm range to match the