The EVO MFG 2.5" JT Enforcer Kits are easy to install using normal tools. They require no driveshaft (shock length dependent) or exhaust modifications. Simple Bolt on installation. EVO MFG JT Enforcer kits are available in multiple configurations to suit your needs and budget and are upgradable down the road. All included Enforcer Arms use only rebuildable, free articulating spherical bearings on all ends of each arm giving restriction free travel and articulation. The included Enforcer arms are adjustable in length to allow for proper alignment and are manufactured from large diameter, thick wall DOM Steel Tubing for ultimate in strength and longevity both on and off the trail.