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Inside Bulletproof Diesel's Mesa facility: Each week, three to five 6.0L-powered Super Duty pickups cycle through the shop receiving a plethora of upgrades that ensure long engine life and improved power and efficiency. In virtually every case, Bulletproof's technicians must remove the cab from the chassis to gain access to the critical areas of the engine compartment. While this may seem like a lot of work initially, remember that it took Bulletproof less than one hour to complete this procedure on our donor tru