(Out of Stock ETA 09/30/24) Speed Engineering True Dual X-Pipe System 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 Optional Wideband O2 Bung V8 Engines Only 4.8L, 5.3L, 6.0L, 6.2L Engines 304 Natural Stainless Steel Vehicle Applications: 1999-2019 Chevrolet Truck (2wd/4wd) 4.8L, 5.3L, 6.0L, 6.2L 1999-2019 GMC Truck (2wd/4wd) 4.8L, 5.3L, 6.0L, 6.2L Note: "This system is designed to work with our brand truck 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. (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.