Shop by Phone: (815) 568-7922 Support: (815) 568-7924 Please have your VIN and Tire Size handy when calling.

FAQ overview

Purchasing from our Website

Can I create an account during checkout?

Yes. Once your order has been submitted you will receive 2 separate emails. One email will confirm your new site credentials and another email will contain your order invoice.

Do you have a return policy?

Yes we do. Items must be returned within 30 days of purchase and have the approval of a Duramaxtuner employee. Any item returned must be in new condition with original wrapping in place. Duramaxtuner reserves the right to refuse return of items that have been open. There is a 20% restocking fee on all tuning products, and turbo kits.

Does Duramaxtuner tune Dodge Cummins Trucks?

Yes. You can find all our Dodge Cummins products at

How do I check my order status?

Log in to our site with your credentials click the "My Account" page. This page is where you can view your recent order and print invoices. To change other account information like your user name and password simply click the EDIT tab and remember to click SAVE.

Is your website secure?

Yes. Your account information is encrypted utilizing an "https" secure connection during the checkout process. Our domain name ( is registered and has been certified to use SSL (secure socket layer) technology. We never share or sell your information to any 3rd Party. Also, we do not save your financial information on our site. All of that data is handled by

What payments do you accept?

We accept Visa, Mastercard, and Discover through our website. We do not accept American Express. We accept Checks and Money Orders as well for orders made at our location. We have partnered with, one of the most trusted payment processors for all of our online transactions.

When will my order ship?

All orders typically ship within two business days pending payment verification. If you have a specific request please call or email first before placing your order.