2015 Chevy Silverado LT Double Cab 4x4 Heated Seats / Mirrors Auto Start LOTS of extras. List of work done off the top of my head: Oil and filter changed regularly before 40% oil life. K and N Black Edition Air Intake Flow master original 40 muffler with dual exhaust with stainless tips. All 8 coil packs replaced with NEW OEM part number per TSB. All 8 iridium spark plugs changed Regularly cleaned throttle body and ran Seafoam through gas tank to ensure injectors/fuel system stay clean. New starter and fuel pump Large heated tow mirrors with turn signals and reverse lighting installed Replaced rear bumper and had the shop paint it black to match the truck. Drilled and Slotted rotors and performance brake pads All LED lights on truck for better visibility New radiator, HD hoses, 194 thermostat, fluid change Transmission thermostat replaced with 158 thermostat per TSB from Chevy + all new trans fluid Differential and Transfer case fluids changed 4 BFGoodRich All-Terrain T/A Tires with warranty Discount Tire NEW 2.5" Lift in the front to level the truck APS Black Running Boards Tyger Auto Fender Flares installed and removed the plastic mud flaps since snow/ice buildup had cracked them. Weathertech front and rear floormats and bug guard. Bakflip hard foldable bedcover, and bed had bedliner installed by Chevy. Very LOUD Audio System: 2 X2 SLI94RAGMDP Batteries Made by NorthStar Used all 4/0 wiring (not 4 gauge) 8 PRV Tweeters TW500My-Nd 8 PRV Mids 8MR500CF-NDY-4 2 Sundown Audio subs SD-4 Custom sub box with SILVERADO embossed Powered by: 3 PRV 1200.1 amps 1 PRV 1200.4 amp 1 AudioControl DM-608 Custom door panels in each door. Roof, all 4 doors, and rear cab sound deadened. 4 Stinger volt meters installed on each amp power inputs Remote switch wire to power on the system. Digital Oscilloscope wired to the subwoofer input of the bass amp to view the signal, and Microsoft Surface (removable) which I use to log into the Audio Control to adjust sound settings: can be included if the right price is agreed upon. Lots more I'm sure I may be missing but I am meticulous when it comes to my vehicle maintenance. All paperwork that I have readily available will be included.