Ford, 2004-2008, 5.0L - Stainless - MPI Exhaust Cat-Back Dual Stainless Kit

MPI’s Stainless Steel Series is the premier choice for your classic Ford truck. This full cat-back system is dyno-proven to improve performance, while MPI’s patented Pulse Chamber Technology eliminates unwanted interior drone. Built from high-quality stainless steel for long-lasting, rust-resistant durability and backed by over 40 years of exhaust experience, the only question left is—black or polished tips? Features Patented Pulse Chamber Technology: MPI’s PCT eliminates in-cab drone, even while towing, and is backed by our Guaranteed No Drone promise. High-Quality Materials: The MPI Stainless kit features durable 409 stainless steel components, including hangers, clamps, tubing, and mufflers, with 304 stainless steel tips. Easy Installation: Direct bolt-on design connects to the factory system and replaces the OEM clamp. Performance Benefits Horsepower Gains: +9.5 HP Torque Gains: +14 lb-ft Fuel Efficiency: Average improvement of 2 MPG Heat Reduction: Reduces under-hood manifold temperatures by 150°F Fitment Make: Ford Model Years: 2004–2008 Chassis: F-150 Engine: 4.6L & 5.4L Wheelbase: Built for the longest wheelbase and trimmed shorter during installation as needed. Sound Quality MPI Turbo Series: Combines MPI performance benefits with a pleasant, mellow exterior tone that is slightly deeper than the stock system. MPI Performance Series: Provides a crisp, aggressive exterior tone while maintaining a balanced sound. Detailed Specifications Material: 409Ni Stainless Steel Installation: Clamp-together system that replaces the factory band clamp. Hardware: Includes all necessary hardware for bolt-on installation. Design: Compatible with the factory spare tire. Tubing Size: Dyno-proven optimal tubing size for performance. Tips: 3.5" x 10" 304 stainless steel tips. Patented Technology Exhaust Pulse Chamber (Pat. 11713700): Guaranteed to eliminate interior drone while optimizing exhaust flow and overall performance. Instructions Installation instructions provided with the system. Warranty Stainless Warranty: Limited Lifetime Warranty.