
2004 Silverado 1500 5.3 with Integrated Transmission, K&N Cold Air, have been riding this tune in extreme conditions since I've had it. Works very clean, excellent monitoring system and a melody woke the truck up a bit. Fill your truck with 91 octane gasoline and keep it in good condition. Ran about 13.5 on 1/4. Definitely recommend and even if you plan on building an even bigger truck in the future you still have a great monitoring system to keep track of all the timings and what's not. 5/5 recommend.

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