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Guarantee and Warranty Policy


PLEASE NOTE: Our 180 Day Customer Satisfaction Guarantee applies to Pro Performance Modules and EZTuner Programmer on this website.

The 110% Money-Back Test-Drive the Customer must keep the product a full 180 days from the day they receive it as per the tracking number on file. After the 180 Day Test-Drive Customer has 10 business days to call for an RMA #.

These products are 180 Days from date product is delivered to customer as per the tracking number and will not refund any monies after that date.

Returned Items MUST be in Like-New condition.

Diesel Domination Inc. reserves the right to charge a minimum 15% restocking fee on all damaged and non-defective items.

If a customer is not satisfied with their product they must call and receive an RMA# and return the product in Like-New condition before a full credit can be made.

Any part which in our professional opinion shows evidence of being used or installed contrary to the manufacturer’s instructions, and/or was handled improperly, including packaging or shipping by the customer, will not be eligible for exchange, refund or warranty consideration. 

All items returned will be inspected for damage, installation and use. Any parts that have been used in an abusive manner, for racing or competition etc., will not be covered under any warranty or return policy and will not be refunded. This includes breakage under any circumstance. These items will be shipped back to customer at customer's expense and refund will NOT be issued.

For a Return Authorization Number please call 1-800-450-5333 or email 

Module Limited Warranty 


By the installation of this product, customer understands and agrees that as a high-performance product, individual results may vary depending on make, model, and usage. They also understand that the original manufacturer makes it own determinations regarding the effects of add-on products to its warranties, and this Limited Warranty is the only responsibility assumed by the company, which is limited to the original purchaser of the product. This product will interfere with and should be removed from the vehicle before any diagnostic testing.


Dr Performance warrants its product against any and all defects in workmanship and materials for one year from the date of purchase. If Dr. Performance receives notice of claim during the warranty period, Dr. Performance, at its election, will refund or replace the defective part (s) without charge to the customer. This warranty shall not apply to defects resulting from freight damage, accident, misuse, unauthorized service, modification, or incorrect installation. Dr. Performance retains the right to inspect the part to determine the warranty status of every claim. The maximum liability of Dr. Performance shall not exceed the purchase price.

Dr. Performance makes no other warranty, whether written or oral, expressed or implied with respect to this product. Dr. Performance specifically disclaims the implied warranty of merchantability and fitness for a particular purpose.

This Limited Warranty shall not apply to the cost of labor, freight, material or other costs in connections with the removal and/or replacement of the claimant's vehicle. In no event shall, Dr. Performance be liable for lost profits, punitive. incidental, special, or any other consequential damages, regardless of whether Dr Performance had notice of the potential of any loss or damage.

This warranty supersedes any and all previously issued warranties for any and all previously purchased products. This warranty shall be strictly adhered to for all warranty claims filed for this product