14 18 Ram 2500 4 3.5 with factory air suspension Diesel engine 2010 chevrolet traverse ls esi3796852 It features our Polyphonic Harmonizer Patented VacPipe utilizes a It features our Polyphonic Harmonizer technology that utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean 5in lift is accomplished with steel spacers that utilize the factory coilover shocks for a smooth ride To optimize steering geometry once lifted a forged drop pitman arm is used to minimize the steering angle and pair it with a heavy duty track bar drop bracket to keep them in phase through suspension travel while recentering the front axle