Contact Us

Contact Double R Diesel Today
We appreciate you taking the time to contact us. If you’re looking to purchase an MM3 Tuner or Custom Warp Tuning from us please before you contact us below click here to view our MM3 Tuner FAQ Page. Our MM3 Tuner FAQ page is great for learning about what we offer our customers.

Do you have Technical Support Issues? Before filling out the form below please click here to see if your issue is listed on our Technical Support Page. A lot of Technical Issues you may experience will be listed here so please use this resource we have provided you to fix your issues.

NOTE: Our Technical Support is for our Customers only.

Use the form below to contact us.

Thank you,
Double R Diesel

Please select the best answer from the drop-down menu.
Please pick the series of truck you own from the drop-down menu.
Please choose either 6.7L or other Engine from the drop-down menu.
Please choose the type of transmission you own from the drop-down menu.
Please choose one of the following.
Please put order number for faster service.
Please select one from the drop down menu.
Acceptable file types: MM3 & RMN Maximum file size: 20 MB.

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