Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don't forget, "Get Kookin with KOOKS!"

1999-2004 Ford Lightning 5.4L 2V 2-1/2in. x 2-1/2in.(OEM) Stainless Catted Connection Pipes. Must be used with Kooks Headers. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS

1999-2004 Ford Lightning 5.4L 2V 2-1/2" x 2-1/2"(OEM) Stainless Catted Connection Pipes. Must be used with Kooks Headers. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS

1999-2004 Ford Lightning 5.4L 2V 2-1/2" x 2-1/2"(OEM) Stainless Catted Connection Pipes. Must be used with Kooks Headers. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS

2-1/2" x 2-1/2"(OEM) Stainless Catted Connection Pipes. Must be used with Kooks Headers. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS

1999-2004 Ford Lightning 5.4L 2V 2 1/2in. x 2 1/2in. OEM Exhaust Race Catted Connection Pipe. Must be used with Kooks Headers.

1999-2004 Ford Lightning 5.4L 2V 2 1/2in. x 2 1/2in. OEM Exhaust Race Catted Connection Pipe. Must be used with Kooks Headers.

1999-2004 Ford Lightning 5.4L 2V 2-1/2" x 2-1/2"(OEM) Stainless Catted Connection Pipes. Must be used with Kooks Headers.

Kooks 99-04 Ford F-150 Harley/Lightning 2.5in Connection Pipe w/ Race Cats * Must Use Kooks Headers*

2-1/2" SS Catted OEM Connection Pipes. 1999-2004 F150 Lightning 5.4L 2V.

2-1/2in. Catted Connection Pipes

2-1/2" Catted Connection Pipes

2-1/2" Conn. Pipes

Connection Pipes

ExhstPipe