Custom written Tune

Unlock the full potential of your diesel with custom-tailored tuning designed specifically for your Quadzilla programmer. At Carter Racing, our custom tunes are built to deliver maximum horsepower, cleaner throttle response, improved towing power, and optimized fuel efficiency—all while protecting the long-term health of your engine.

Each tune is created to match your truck’s unique setup, including modifications like injectors, turbo upgrades, exhaust systems, gear ratio changes, and more. Whether you’re looking for daily driving comfort, towing performance, or all-out race power, we provide safe, reliable, and dialed-in tuning that transforms the way your truck performs.

Features:

• Personalized tuning created for your exact truck and mods

• Improved power delivery and boost control

• Enhanced fuel economy and throttle response

• Smoother shifting on equipped transmissions

• Safer EGT and engine management strategies

• Multiple tune options available (Daily, Tow, Performance, Race)

Give your Quadzilla-equipped diesel the tune it deserves—customized, powerful, and built for performance.

All Tunes include free revisions within 30 days to guarantee the best tune for your application.  

Carter Racing is not responsible for any damage, failures, or additional wear caused by the installation or use of custom tuning, performance files, or Quadzilla programmer modifications. All tuning is done at the customer’s own risk. The customer assumes full responsibility for ensuring their vehicle is in proper mechanical condition before and after tuning, and for any consequences related to increased power output, improper installation, or misuse.

By purchasing or using our custom tunes, you acknowledge and agree that Carter Racing cannot be held liable for engine damage, drivetrain failure, diagnostic trouble codes, voided warranties, or any other direct or indirect issues resulting from tuning or vehicle modifications.

Custom Tune Form here - 

https://form.jotform.com/253375791048162