Kooks Headers · New
Kooks 07-10 Ford Shelby GT-500 5.4L 4V 3in x 2 1/2in OEM GREEN Cat SS H-Pipe Kooks HDR Req
MPN 11323600 · Store SKU ksh11323600
Supplier stock checked 11/7/2026, 7:53:19 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
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!" 3in. x 2-1/2in. OEM GREEN Catted Stainless H-Pipe. Must be used with Kooks Headers. 3" x 2-1/2" OEM GREEN Catted Stainless H-Pipe. Must be used with Kooks Headers. 3in. x 2-1/2in. (OEM) SS GREEN Catted H-Pipe. 2007-2010 Shelby GT500. 3" x 2-1/2" (OEM) SS GREEN Catted H-Pipe. 2007-2010 Shelby GT500.
Manufacturer fitment & guides
- 3" x 2-1/2" GREEN Catted H-Pipe. 2007-2010 Ford Shelby GT500 5.4L 4V. 3" 16GA 304 Stainless Steel construction Ball and socket style connection to HeadersKOOKS GREEN Cats 400 Cell High Flow Catatlytic Converters Requires Kooks Long Tube Headers Includes Clamps 2-1/2" Outlet connects to OEM exhaust re-using OEM Clamps(Not Included)KOOKS GREEN Cats are suitable for use with forced induction
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y