Torque Tube Exhaust Header System 04-08 Ford 5.4 F-150 and Lincoln Mark LT Banks Power

Virtually indestructible 100 percent stainless TorqueTubes maximize exhaust extraction, unleashing gobs of torque that'll jam you into the seat and haul you up the grade.\n\n5.4L V-8 engine only \n\nBanks' 100 percent stainless TorqueTubes are virtually indestructible. Includes two full exhaust manifold assemblies, each with a seamless high-velocity collector. Unlike the restrictive stock setup, Banks TorqueTubes literally pull out the exhaust, unleashing greater torque and helping the intake stroke to draw in more air. (V-8 only)\n\nTorque Tube Exhaust Header System for use with 2004-2008 Ford 5.4L F-150 and Lincoln Mark LT V8\n\nKey Features\n\n\n - Virtually indestructible 100 percent Stainless Steel\n\n - Mandrel-formed tubes tune exhaust flow for maximum torque\n\n - Maximizes exhaust extraction\n\n - Flanges welded on both sides, then milled flat\n\n - Seamless high-velocity collector\n\n - Pulls exhaust and slashes backpressure\n\n - Includes two full exhaust manifold assemblies\n\n - 1\/2 inch thick flanges won't warp or flex\n\n - Includes all necessary hardware\n\n\n\nUS Patent #6,634,171 B150 State Compliant CARB E.O. D-161-105