Maximizer Header 99-03 Ford F-150 Trinton V8 4.6L 5.4L Full Length, 2wd 4wd Catted Include High Flow Catalytic Converters Sand Blast Polish Finish Made of 304 Grade Stainless Steel Primary Tube: 1.75" OD Collector Diameter Outlet: 2.5" OD Flange Thickness: 3/8" Runner Wall Thickness: 16 Gauge (1.5mm) Mandrel bend for ultra smooth fast flow Precision Computer Numerical Control (CNC) machined 3/8" flange for precision fitment Dual Tungsten Inert Gas (T.I.G.) welding for stronger hold Increase Better/Smoother Exhaust Flow At Higher RPM To Generate More Power And Maximum Performance Out Of Your Engine. Great Power Package to Unleash Hidden Ponies From Your Motor. Get Up To 35% Better Exhaust Gas Flow. Direct Bolt On or Weld On Set Up Without Any Modification Dyno Tested and Track Proven to Increase Low End and Top Speed Torque And Horse Power Backed by Limited Life Time Warranty against Manufacturer Defects Don't settle for the cheaper exhausts which are known to crack over time due to cheap welding, thin flanges, and very thin wall thickness. Also comes with a lifetime warranty from manufacturer defects. Dyno proven to increase horsepower.
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