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Manufacturer information. Check the part number and installation requirements for your vehicle.
Supplier details checked 2026-09-23 · Test catalog
2-1/2in. x 2-1/2in.(OEM) Catted Y-Pipe. Must be used with Kooks Headers. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS
2-1/2" x 2-1/2"(OEM) Catted Y-Pipe. Must be used with Kooks Headers. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS
2-1/2in. SS Catted Y-Pipe. 2009-2010 F150 5.4L 3V. Connects to OEM Exhaust.
2-1/2" Catted Y-Pipe. 2009-2010 F150 5.4L 3V. Requires Kooks Headers.
Manufactured In The USA. Kooks Uses T304 Aircraft Quality Stainless Steel. Kooks Products are Backed by a Limited Lifetime Warranty To the Original Purchaser. Kooks Products Are Dyno And Race Tested and Designed For Maximum Power.
3 Generations Being Family Owned And Operated
2009-2010 Ford F-150/ Ford Raptor 5.4L 3V 2-1/2" x 2-1/2" (OEM) Catted Y-Pipe. 16GA 304 Stainless Steel construction 2-Bolt Flange style connection to Headers Kooks Performance 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 Y-Pipe Clamp 2-1/2" Outlet connects to OEM exhaust
2009-2010 Ford F-150/Ford Raptor 5.4L 3V 2-1/2in. x 2-1/2in.(OEM) Catted Y-Pipe. Requires Kooks Long Tube Headers STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS
2009-2010 Ford F-150/Ford Raptor 5.4L 3V 2-1/2in. x 2-1/2in.(OEM) Catted Y-Pipe. Must be used with Kooks Headers.
2009-2010 Ford F-150/Ford Raptor 5.4L 3V 2-1/2" x 2-1/2"(OEM) Catted Y-Pipe. Must be used with Kooks Headers.
2009-2010 Ford F-150/Ford Raptor 5.4L 3V 2-1/2in. x 2-1/2in.(OEM) Catted Y-Pipe. Must be used with Kooks Headers. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS
2009-2010 Ford F-150/ Ford Raptor 5.4L 3V 2-1/2" x 2-1/2"(OEM) Catted Y-Pipe. Must be used with Kooks Headers. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS
Kooks 09-10 Ford F-150/ Ford Raptor 5.4L 3V 2 1/2in x 2 1/2in OEM Cat Y Pipe Kooks HDR Req
2-1/2in. x 2-1/2in.(OEM) Catted Y-Pipe
2-1/2" x 2-1/2"(OEM) Catted Y-Pipe
2-1/2in. x OEM Y-Pip
2-1/2" x OEM Y-Pipe
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!"
