Flowmaster 717939 Stainless Steel Cat Back Exhaust System fits Jeep Grand Cherokee Includes Muffer Large 3.50-inch black ceramic coated stainless steel tip for rugged looks FlowFX straight-through performance muffler offers a deep powerful sound Uses the factory hanger locations for easy installation 409 Stainless Steel construction for extra durability and improved long-term corrosion resistance 2.50-inch Mandrel-bent 16 gauge tubing maximizes exhaust flow MODEL NO - 717939