Custom GMC Sierra 3500HD

No car is perfect unless tuned. Uncover the unique database of tuning options to have custom GMC Sierra 3500HD instead of a boring factory set up unleashing all the potential of your vehicle. In our virtual garage, we are collecting GMC Sierra 3500HD mods, tracking down the tuning history by stages or units. Join the community of dedicated car owners who have gone beyond the stock options and had their GMC Sierra 3500HD modified.

In many cases, the very first stage of GMC Sierra 3500HD upgrade presupposes switching from stock to aggressive fitment wheels and custom tires. A sporty look, reduced unsprung weight, and improved handling are solid benefits to consider splashing some cash on custom wheels and tires for your ride.

If you want to squeeze more horsepower when hitting the acceleration pedal, then you might want to resort to ECU tuning of GMC Sierra 3500HD. Modern cars are computer controlled, so you can reinforce the engine by configuring the software. ECU tuning of GMC Sierra 3500HD can also improve such things as the redline for the maximum rpm rate, and throttle response to trigger fuel injection more efficiently, etc.