3.0 Inch Cat-Back Sport Single Side Exit Exhaust 4.0 Inch Slash Cut Polished Tip 06-08 Ford F150 SuperCrew w/6.5 Foot Bed 4.6L/5.4L V8 Stainless Steel dB by Corsa PerformancedB by Corsa's Patented Reflective Sound Cancellation (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, styled specifically to fit the personality of your vehicle. Each system is designed to increase vehicle performance, deliver an Aggressive Sound under acceleration and a Drone-Free Experience during cruise. Performance gains are not affected by sound choice.Features: 3.0 Inch Cat-Back Exhaust System Single Side Exit with Sport Sound Level Single 4.0 Inch Slash Cut Polished Tip Patented No Drone, Reflective Sound Cancellation (RSC) Technology Custom Tuned, Aggressive Exhaust Note No Drone at Cruise Flows Better Than Stock Lighter Than Stock 439 Stainless Steel Construction Aggressive Slash Cut, Polished Stainless Steel Tip Detailed Printed Instructions Included No Welding Required Limited 10-Year Warranty Made in the U.S.A. Sold As A Kit Fits Vehicles: 2006-2008 Ford F-150, SuperCrew/6.5 Ft Bed 4.6L V8 2006-2008 Ford F-150, SuperCrew/6.5 Ft Bed 5.4L V8 Note: Every Corsa exhaust system is engineered and designed to match the unique properties of the vehicle it is designed for to deliver perfect fitment and performance Corsa does not recommend or recognize purchases and installation on unspecified vehicles