aFe Twisted Steel 409SS Shorty Header 04-10 Ford F-150 V8-5.4L perfume improved throttle response and performance

improved throttle response and performance

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aFe Twisted Steel 409SS Shorty Header 04-10 Ford F-150 V8-5.4L perfume improved throttle response and performanceThis system is constructed of 1 5 8 IN mandrel bent 409 stainless steel tubing for maximum strength and durability. Factory style laser cut machined flanges are used used for a secure leak free seal. Utilizing factory flanges this system is designed to fit in the stock locations with no cutting or modifications required for a hassle free installation. A mitered merge collector is used to decrease turbulence and increase exhaust velocity resulting in