5" 409 stainless steel constant-diameter DPF-back system with Patented negative backpressure SideKick tip. 82% less backpressure than stock, allowing the engine to produce more horsepower. Improves flow and cuts backpressure. Includes Huge Polished Chrome or Cerakote Black Patented SideKick tip. Key Features: 82% less backpressure than stock. Virtually eliminates backpressure after the DPF. Chrome-plated stainless tip will not turn brown with heat. Huge patented 6.5" x 7.5" ob-round slash-cut exhaust tip. Constant-diameter 5" mandrel-bent 409 stainless steel tubing. 1-year Limited Warranty. Ob-Round Exhaust Tip