Chevy Suburban 5.3 (2017 - 2020) New 2009 We reduce or eliminate torque

We reduce or eliminate torque converter clutch slip

You can use your RTD and TDN app on your phone to select from the 87

We saw 50 horsepower gains

Through extensive testing we have found tuning the car on 93 can net you up to roughly 80 lb ft and/or 20 horsepower peak

Chevy Suburban 5.3 (2017 - 2020) New 2009 We reduce or eliminate torqueImprove your truck or SUV's performance and drivability with a Peitz Performance Delta tuning package! We developed these tunes with the overall driving experience in mind. Not only will you gain power at wide open throttle, but you will also feel the difference at part throttle via improved throttle response and quicker shifting. These packages are intended for stock L83 5. 3 liter and L86 6. 2 liter Silverados, Tahoes, and Suburbans. Simply plug