2000 Silverado 1500, 4.8L, LS, 2WD l 3" Dynomax cat back exhaust l K&N 77-3021 CAI l 200 amp Nations alternator l 1.5" Rough Country Leveling Kit & Shocks l Sumo Springs l Eaton Detroit TrueTrac l Chromoly axle shafts l 3:73 Final Drive Gears l Superchips Performance Tune l 265/75/16 Michelin All Seasons l Optima Yellow Top l 4l65e upgrades - five pinion planetaries, HD sun shell, high performance band