Silverado 2021 Trail Boss Mileage 108,000, negotiable Maintenance up to 80,000 done at the dealership Maintenance performed at 107,000 Complete overhaul completed, engine mounts replaced Only front brake pads replaced, rear ones are still new Transmission oil, differential, and transfer case changed with Mobil 1 oil, cost 4000 Additions: 1- Nissan engine thermostat, cost 120 2- 2-inch Proventer shocks with 8-link cylinder, cost 4100 3- Proventer control arms, cost 2100 4- Top and bottom subwoofer speakers, cost 1200 5- ABS spacer, cost 120 6- Light bar with Bluetooth control, cost 150 7- Water tank with extended piping, lighting, cost 600 8- Mobile phone and KNOX mounting brackets from Thabit, cost 1200 9- Transmission cooler, 40,000 BTU capacity, cost 1100 Engine and transmission computer decapped, but not yet programmed 10- Spider tub cover, cost 1600 11- Iron fenders, cost 1000 12- Desert suspension Y-links, cost 600 Trail Boss, well-known specifications Auto 4WD with high and low range 6-speed transmission Front and rear sensors Rear camera Blind spot detection Fingerprint start Fingerprint entry These are the main features of the Trail Boss The engine has no modifications, nor was it previously modified—only the computer was unlocked for fan programming, but programming has not yet been completed Front bumper replaced, grille repainted, and right-side frame rail welded due to a minor accident; accident photos available The engine is in perfect condition, no issues at all, thank God Reason for sale: Purchased another SUV, thank God Note: All work on the engine was done at specialized garages Electrical work and wiring done at vehicle splicing specialists Shocks and control arms installed at desert suspension shop Phone mounts and KNOX brackets from Thabit store Transmission oil changed at 60,000 and 100,000 miles, all Mobil 1 Engine oil changed every 5,000 miles, 5W30 Mobil 1 Differential and transfer case oil changed at 60,000 and 100,000 miles, Mobil 1 Overhaul performed at 60,000 and 100,000 miles The engine, God willing, has never had any issues—inspect anywhere you like and test drive All original dealership accessories are present and in excellent condition The truck is offered with all its accessories