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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
no modifications are necessary
The gains you experience will depend on how much boost you command and when
This allowed us to utilize our new mounting points for the upper control arm while keeping the suspension geometry and the relationship of camber-to-arm movement intact
Hardened pushrods
These tunes maximize performance while improving fuel efficiency and allowing you to choose fuel options from 87-octane to 93-octane
Chevy Silverado 5.3 (2019 - 2021*) 2015 no modifications are necessaryImprove 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
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