It has a programmer on it to bring the boost on the turbos up, AFE intake, Hearthrob exhaust system. The sucker comes 365 horse form the factory. It's got 500 easy. A Chevy man huh? Well, good luck with your Dura-maxipad there, boss! If you go diesel, you gotta go Cummins! I had an F-250 with a banks system on it, but I totaled it on the highway. 18-wheeler hit me from behind goin 70. Didn't realize traffic had slowed down to 55 because he was on his cell phone!! Cracked the frame in the back in half. That big truck saved my life.
Had that pup on a Dyno..? I seriously doubt you have 500hp. I have owned a Duramax for almost 10 yrs. Also, why you diss'n my ride, I didn't say anything negative about your truck.
But anytime your in so. cali, let me know, be glad to have a pull off , bring your tow strap..
Glad you didn't get seriously hurt, big trucks are good.