GIBSON DUAL SPORT CAT-BACK EXHAUST SYSTEM, ALUMINIZED STEEL, NATURAL FINISH -- Dual Exit, Single Inlet/Dual Outlet Muffler Configuration, This Exhaust System Features Heavy Duty Aluminized Mandrel-Bent Tubing To Maintain Constant Exhaust Flow For Outstanding Performance, It Includes Fully Welded Superflow TM Inlet Muffler For Better Volume Efficiency, 2.5 in. Headpipe, 1.75 in. Driver And Passenger Side Overaxle Tail Pipe, 3 in. T-304 High Polished Stainless Steel Clampless Slash Tips, Zinc Plated 0.375-0.5 in. Thick Factory Style Hangers And Front Muffler T-Hanger, And Heavy Duty Clamps, Designed For Hassle-Free Bolt-On Installation, Provides A Powerful Aggressive Deep Exhaust Tone, Dyno Tested To Assure An Increase Of 10-15% hp And Torque Gains Of 15-20 ft.-lbs., Exits Behind Rear Tire, Improves Fuel Economy As Engine Become More Fuel Efficient, 50-State Legal, Will Fit On 4.0L Edge, With Gibson's Limited Lifetime Warranty