2012 Chevrolet Silverado 1500 6.2L

"When looking for a power adder, I called and talked to all the different major companies. What Procharger had to offer blew away the competition. I couldn't be happier with my purchase!"

Transmission: Stock 6L80

Fuel: 93 octane

Modifications and Additional Specs:

Custom grind GPI SS1 cam, 92lbs injectors, 320lph aem fuel pump, aem methanol injection. Without methanol dyno was 567 and 502. With the methanol it jumped to 671 and 576