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The aFe Twisted Steel shorty header for 2004–2010 Ford F-150 5.4L is constructed from 1-5/8" mandrel-bent 409 stainless steel tubing with laser-cut machined flanges for a secure seal and direct-fit installation using factory mounting locations. A mitered merge collector reduces turbulence and increases exhaust velocity to broaden the torque curve. 100% MIG-welded construction and optimized tube lengths aim to improve throttle response and overall power delivery without modifications.
aFe Twisted Steel 409SS Shorty Header 04-10 Ford F-150 V8-5.4L
