Large internal flow tubes improve exhaust flow and reduce backpressure. Fiberglass matting technology to absorb unwanted interior resonance while maintaining a mellow performance tone. While these exhaust systems are designed for use on the listed vehicle, some modifications may be necessary depending on your current exhaust setup. We strongly recommend professional installation. The Package Includes: 1x Exhaust Muffler System. Tubing Diameter: 2.50-in. Stainless mandrel bent tubing. Black Ceramic Round Rolled Edge Slash- Cut Tip. Tip Specification: Inlet 2.50 in. Muffler Description: Baffled & Chambered Design, No internal Packing, Minimal Interior Drone, Aggressive Sound. Muffler Dimension: 4 x 9 x 18 in Oval Body; 2.50. Offset Inlet; 2.50 in Dual Outlet. Exit Position: Exit Is Straight Out The Backet. Installation Instruction NOT Included, Professional installation is HIGHLY recommended. The item “For 07-17 Jeep Wrangler JK Matte Black Dual CatBack Exhaust Muffler System 2/4DR” is in sale since Friday, March 2, 2018. This item is in the category “eBay Motors\Parts & Accessories\Car & Truck Parts\Exhaust\Exhaust Systems”. The seller is “primeautobuy” and is located in Multiple Locations. This item can be shipped to United States.