Warranty
DEI Limited Warranty 
Design Engineering, Inc (DEI) believes in maintaining a high level of customer service and satisfaction. 
DEI warrants to the original retail purchaser with proof of purchase for warranty determination that its products are 
free from defects in material and workmanship while purchaser owns the vehicle upon which such product(s) were 
originally installed. DEI’s obligation under this warranty shall be limited to the repair or replacement of parts that are 
determined by DEI to be defective, or refund of the products original purchase price, at DEI’s option, of the alleged 
defective product. We pledge that if at any time you encounter a problem with our products, we will strive to correct 
the problem in the most timely and efficient way possible, subject to the terms, conditions, and 
Limitations contained herein. 
This warranty does not extend to damage or defect in the finish of a product or to any product that, in the opinion of 
DEI, has been misused, damaged by accident, or negligence, altered or modified in any way, installed contrary to DEI’s 
installation instructions, or repaired by an unauthorized service facility. 
DEI makes no warranty for products installed on vehicles used for race or competition purposes. 
To make a claim under this warranty or receive service, purchaser must first return alleged defective product to place of 
purchase for warranty determination within thirty (30) days after purchase. In the event purchaser does not receive 
satisfaction from the original place of purchase, purchaser must contact DEI and request product return instructions. 
After receiving an assigned Return Good Authorization number, purchaser must return alleged defective product pre-
paid along with original dated proof of purchase sales receipt and a written description of problem to DEI (address 
below). 
NO OTHER WARRANTY, EXPRESSED OR IMPLIED, IS APPLICABLE TO THIS PRODUCT. DESIGN ENGINEERING, INC. (DEI) 
SHALL NOT BE LIABLE FOR THE LOSS OF USE OF THE PRODUCT, INCONVENIENCE, ACTUAL OR ALLEGED DAMAGES 
WHETHER DIRECT OR INDIRECT OF ANY KIND, INCLUDING LIABILITY FOR SPECIAL, INCIDENTAL, CONSEQUENTIAL OR 
PUNITIVE DAMAGES, ARISING OUT OF THE USE OF, OR INABILITY TO USE THE PRODUCT, ACTUAL OR ALLEGED 
LABOR, INCLUDING THE COST OF REMOVING ANY PART, INSTALLATION, REINSTALLATION, FREIGHT CHARGES, 
TRANSPORTATION, OR OTHER RELATED CHARGES, OR FOR ANY BREACH OF ANY EXPRESS OR IMPLIED WARRANTY, 
INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WHICH 
WOULD OTHERWISE BE APPLICABLE TO THIS PRODUCT. 
Some states do not permit limitation or exclusion of implied warranties; therefore, the aforesaid limitation(s) or 
exclusion(s) may not apply to the purchaser. This warranty gives you specific legal rights and you may also have other 
rights which may vary from state to state. 


