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sales@peitzperformancetunes
These tunes maximize performance while improving fuel efficiency and allowing you to choose fuel options from 87-octane to 93-octane
The ProMax is the latest offering for the C8 from Dodson and provides the highest number of clutch plates you can stuff in these transmissions
What about FLEX you ask
Chevy Silverado 5.3 (2019 - 2021*) 2015 sales@peitzperformancetunesImprove 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 L84 5. 3 liter and L87 6. 2 liter Silverados, Tahoes, and Suburbans. In order to
