2001-2004 Duramax Diesel 65HP/145TQ. Ever wonder how diesel performance seems to cost more and more? We did too. If you just want functionality, not over-featured performance products...look no further. The Scorpion Diesel brand name and lineup of products was conceived to bring diesel performance into anyones budget. No excuses, just PERFORMANCE! Scorpion Diesel Performance Stinger Modules offer identical or better performance specifications as modules costing more than twice as much! We guarantee each module sold to deliver reliable, trouble-free performance as well as be simple and easy to use. Do you really need an MP3 player built into your performance module?

Common Questions Will this void any warranty? Installation of the device itself will not void a warranty. Can this module be detected? No. Does this change shift parameters? No. Some transmissions have an adaptive learning strategy. All our products work with these types of transmissions 100% How hard is this to install? Beginners can install in under 30 minutes. 10 minutes is not out of the question...It's FAST and Easy. Do you Guarantee this product? Absolutely, each unit comes with a satisfaction guarantee and a warranty. Will this Interfere with other Electronics or Enhancements? No. this unit will should not cause or accept harmful interference. It is immune (unlike others) to the effects of CB Radios and other higher powered devices. How does this work? This module advances timing and alters the fueling curve of the vehicle, resulting in more complete combustion as well as extra fuel when your truck needs throughout the entire RPM Range. Can you offer me a better price? We cannot negotiate with customers for better pricing, for one simple reason. This would violate our agreement with our dealer network. Dealers have some flexibility in pricing as they compete for your business, but we do not compete with our dealers for business. If you are price motivated there are currently other dealers selling on ebay and online that can sell you our product. Will this hurt my vehicle? This product has been designed to enhance the working parameters of the drivetrain. You should not see any accelerated wear from the device.