No body lift required. Stock GM manual will not fit up. Some welding required to get it mounted inside. Great sound. Can be muffled a reduce noise but will always have the 2 stroke roar. Many add a auxilliary overdrive transmission to compensate for the rear end ratio.
83 C10 Suburban, Silverado, 6.2, 700R4, 3.73, 31-10.50R15
82 C30 Crew Cab dually, 6.2, Banks, Th400, 4.10, Gear Vendors, 235-85R16
83 C20 Suburban, Sierra Classic, 6.2, 700R4, 4.10, custom paint, 285-50R20
95 Yukon, 6.5, 4L80E, 3.42, 265-50R20
73 GMC Astro 95, 8V71, 10 speed Roadranger, 110" WB, 6 each 11R24.5