MMI GM VORTEC TWIN TURBOCHARGER KIT PACKAGE CHEVY GM 4.8L 5.3L 6.0L SILVERADO SIERRA YUKON TAHOE SUBURBAN

Absolute horrible experience. Received kit with no parts list, so you will have to look at the picture on line to see if you received everything correctly. We were missing multiple parts and had to contact them for replacement. I tried first through amazon with no reply, then I went through eBay with succes. Replacement parts were shipped.Now onto installation. Fitment is horrible. Quality of parts are horrible. Spent 2-3 hours to try to grind casting flash out of inside manifolds as they will break off and destroy the turbos. Driver side turbo will not fit unless you notch the brake booster. Brake lines will have to be remade or severely bent to no boil in the lines. None of this is mentioned in instructions. They advertise kit is capable of 1000hp on eBay. Never. They told me the kit is capable of 20psi. After 5psi the silicone pipes begin to collapse. The kit is useless. We removed it after 1 dyno session. And amazon will NOT let you return it. Even for all the false advertising.Good luck