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

In most cases, orders placed before 2pm CST are shipped same day pending payment verification. Please note that shipments placed on Friday's/Holiday's after 2pm usually ship the next business day. If you have a specific request please call or email before placing your order.

We do not have a return policy. All of our products and services are sold without warranty. If an issue should come up please speak with the manufacturer to discuss their return policy and procedure if any.

We accept Visa, Mastercard, Discover and American Express right from our website. You may also select Checks/Money Order. On certain occasion we accept Paypal payments over the phone and may be subject to a 3% service charge. We have partnered with "Authorize.net", one of the most trusted payment processors to handle all of our online payment transactions.

Yes. We encrypt your personal information utilizing an "https" secure connection during the checkout process. Our domain name (Duramaxtuner.com) is registered and has been certified to use SSL (secure socket layer) technology. We never share or sell your information to any 3rd Party.

Yes. When you have added items to your cart you can click the checkout button. This will take you through the checkout process. Once your order has been submitted you will receive 2 separate emails. One email will confirm and contain your new site credentials and the other email will contain your order invoice.

An email is sent from "duramaxtuner@duramaxtuner.com" to the email address we have on file for your account. You need to click on the link inside of the email which will direct you to the password reset page. Click the LOG IN button at the bottom of the reset password page. Once clicked, you will be taken to "My Account" where you can now change your password. Make sure to click SAVE. You will get a confirmation in green text that your account has been updated.

We have gone to great lengths in making our account creation instructions as clear as possible. There is a link inside of this email that YOU NEED TO CLICK ON to remove your account from the pre-authorized role. This role has certain site restrictions that help prevent abuse (SPAM) and other unauthorized use of particular sections of our website. In order to ensure our premium users receive the best possible experience we have included this additional step of authentication during the account creation process.

Yes. When you have added items to your cart you can click the checkout button. This will take you through the checkout process. Once your order has been submitted you will receive 2 separate emails. One email will confirm and contain your new site credentials and the other email will contain your order invoice.

Watching our flash tutorial will get you up to speed with your new purchase of EFILive from Duramaxtuner.com This tutorial includes reading your stock tune and running scripts. It will save you a gob of time searching for help elsewhere. http://duramaxtuner.com/getting-started

Please click THIS LINKand you will find a PDF on running scripts using EFILive software. Scripts simplify the tuning process by only changing tables that were altered by the previous tuner. It uses your stock tune as the base and pastes the tables of the script into their respective locations. Captions will be under the graphics. You will re-save the tune once the script is finished processing. Once saved, you can re-flash your truck and apply the new tune with script changes made.

Nick Priegnitz founded Duramaxtuner to supply newcomers and diehard diesel performance enthusiasts with the tuning and knowledge necessary to take their vehicle’s performance to the next level. Our tunes will meet your needs so you can reach those goals. Our solid collection of Scripts & Flash Tutorials will get you well on your way using EFILive.

There are scripts of varying power levels for all engine codes (LMM, LBZ, LLY, LB7, Allison). In addition, you are granted access to view flash tutorials that include a variety of more in-depth topics using EFILive with Duramaxtuner tunes. Tutorials include: Boost_Considerations, ChamberPressureTiming, ControllingEGT's, DSP upgrade, DTC Reporting, Fuel Pressure, Fuel Bump, High Pressure Video, LBZ LMM Smoke, LMM.LBZ Fueling Basics, LMM.LBZ Fueling, Basics 2 Maps and MAF, New OS Changeover, Presure Chamber Video, RevLimit 4400, Smokey LB7, Timing Table Adjustments, Tire Adjustments, Trans and Shift Talk, Trans and Shift Talk 2, Transmission Defuel Basics, Using The Tools, Using The Scan Tool

You can purchase 1yr access by clicking this link: http://duramaxtuner.com/membership

Your account is INSTANTLY upgraded on payment. You will notice when you are logged in that you now have additional menu items available to you. To view your status, go to "My Account" and you will see when your access expires. Simply purchase another year of access http://duramaxtuner.com/membership and another year will be added to your account automatically.

Log in to your account and find the 'my account' tab under your username on the left sidebar. The expiration date will be displayed down to the minute.