(In Stock) Speed Engineering true dual exhaust is made out of 304 stainless steel and offers great quality, performance, and affordability. Our exhaust is mandrel bent, tig welded, and feature natural stainless steel construction. All of our exhaust products have been dyno proven. We stand behind our exhaust in saying you will not find a better fitting, quality built, budget exhaust for your vehicle. Features include: Mandrel Bent 3" Tubing True Dual X-Pipe System 3" Stainless Band Clamps Insulated Bullet Style Blow Through Mufflers Connects to Factory Hanger Locations Optional Wideband O2 Bung V8 Engines Only 4.8L, 5.3L, 6.0L, 6.2L Engines 304 Natural Stainless Steel Note: "This system is designed to work with our 1999-2019 truck & SUV longtube headers only. It is not designed to work with any factory exhaust equipment". Note: This system works with 4, 6, & 8 Speed Automatic Transmissions. Vehicle Applications: 1999-2019 Chevrolet 1/2 ton Truck (2wd/4wd) 4.8L, 5.3L, 6.0L, 6.2L (Single Cab, Short Bed Only) 1999-2019 GMC 1/2 ton Truck (2wd/4wd) 4.8L, 5.3L, 6.0L, 6.2L (Single Cab, Shorty Bed Only) (Will fit longer bed options by extending connection pipes) Note: Our system has been used on SUV & different GM truck wheelbase length applications. Would require lengthening, shortening, and hangers relocation modifications. Wheelbase Length 99-2019 GM Truck 2WD/4WD 4.8L, 5.3L, 6.0L, 6.2L 119 in (Reg Cab Short Bed) 133 in (Reg Cab Long Bed) - Need to order Ext/Crew Cab kit 143.5 in (Crew Cab 5' 8" Short Bed & Extra Cab 6' Short Bed Only) 153 in (Crew Cab Reg Bed) - Need to order & modify 25-1003 157.5 in (Ext Cab Long Bed) - Need to order & modify 25-1003 167 in (Crew Cab Long Bed) - Need to order & modify 25-1005 99-2019 GM SUV 2WD/4WD 4.8L, 5.3L, 6.0L, 6.2L 116 in – Need to order& modify  Reg cab kit 130 in (XL) - Need to order & modify Ext/Crew Cab kit 02-13 Avalanche – EXT 130 in - Need to order & modify Ext/Crew Cab kit (Warning) This is a RACE ONLY product manufactured and sold for installation on vehicles to be used solely for competition purposes. Once this part is installed, the vehicle may never be used, or registered or licensed for use, on a public road or highway. If you install this part on your vehicle and use the vehicle on a public road or highway, you will violate the Clean Air Act 203(a)(3), 42 U.S.C, 7522(a)(3) and may be subject to personal civil or criminal liability.