2-1/2" Catted Conn. Pipes. 1999-2004 F150 Lightning 5.4L 2V. Req. Kooks Headers.

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1999-2004 Ford Lightning 5.4L 2V 2-1/2" x 2-1/2"(OEM) Stainless Catted Connection Pipes. 16GA 304 Stainless Steel construction Two-bolt flange style connection to Headers Kooks Per formance Cats 400 Cell High Flow Catalytic Converters Performance Cats not for use on Forced Induction Applications Requires Kooks Headers with 2-1/2" Collectors Includes Clamps 2-1/2" Outlet connects to OEM exhaust Show more