Abstract: A method of modifying a vehicle can include removing an existing fender liner from a wheel well of the vehicle. A cut guide can be aligned with landmarks of a fender of the vehicle. The cut guide can be secured to the fender or a fender flair that is secured to the fender, and the cut guide can be secured to the fender around at least a portion of the wheel well of the vehicle. The fender can be cut along the cut guide to increase a size of the wheel well. A fender liner bracket can be secured to the vehicle. A replacement fender liner can be secured to the fender liner bracket. The replacement fender liner can be secured to an existing bracket of the vehicle.