Lifting your 2012 - 2018 Jeep Wrangler JK or Wrangler Unlimited with the V6 - 3.6L engine can create clearance problems between your suspension and factory exhaust. aFe's Twisted Steel Y - pipe with loop relocation exhaust pipe solves this problem by improving clearance during extended suspension travel for worry - free off - roading. This combo system is constructed with 2 to 2 12 mandrel bent, 409 stainless steel tubing for greater exhaust flow and longevity. 100 hand MIG - welded by certified craftsmen for proven durability, the y - pipe incorporates a merged collector design to create a smooth transition to eliminate dead zones and improve flow. The loop relocation pipe will not compromise performance gains or exhaust sound. All hardware and clamps are included for a hassle - free installation. Cutting is required to remove factory loop. Accommodates Aftermarket Long - Arm Lift Kits Want long - travel suspension on your Jeep Prevent contact between your driveshaftcontrol arm and factory exhaust during extended suspension travel with aFe's Twisted Steel package. aFe's Y - pipe is designed to provide optimum clearance between the driveshaft and exhaust while the loop relocation pipe offers clearance between the drivers - side exhaust and long - arm travel lift kits. Y - Pipe With Merge Collector The merge collector is designed to create a smooth transition of exhaust gases as the two tubes are combined into one. This design increases exhaust velocity and eliminates the possibility of any turbulence that stamp - formed collectors can cause. Mandrel Bent Tubing Mandrel - bent tubing allows for smooth transitions of exhaust gas increasing exhaust velocity, increasing horsepower, torque and improving throttle response. Installation is a Snap Includes all necessary hardware and uses factory mounting locations providing stability and hassle - free installation. Leak - Free Seal High quality band clamps and hardware are used for a complete 360 - degree sealing surface.