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 2-3/4in. (OEM) Catted Stainless Steel H-Pipe. 2011-2014 Ford Mustang GT 5.0L 4V. 3in. 16GA 304 Stainless Steel construction. Ball and socket style connection to Headers. Kooks Standard 300 Cell High Flow Catatlytic Converters. Must be used with Kooks Headers with 3in. Collectors. Includes Clamps. 2-3/4in. Outlet connects to OEM exhaust re-using OEM Clamps (Not Included). Kooks Standard Cats not recommended for use with forced induction.. 3" x 2-3/4" (OEM) Catted Stainless Steel H-Pipe. 2011-2014 Ford Mustang GT 5.0L 4V. 3" 16GA 304 Stainless Steel construction. Ball and socket style connection to Headers. Kooks Standard 300 Cell High Flow Catatlytic Converters. Must be used with Kooks Headers with 3" Collectors. Includes Clamps. 2-3/4" Outlet connects to OEM exhaust re-using OEM Clamps (Not Included). Kooks Standard Cats not recommended for use with forced induction.. 3in. x 2-3/4in.(OEM) Catted H-Pipe. Must be used with Kooks Headers. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS. 3" x 2-3/4"(OEM) Catted H-Pipe. Must be used with Kooks Headers. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS. Kooks Products Are Backed By A Limited Lifetime Warranty To The Original Purchaser. Kooks 11-14 Ford Mustang GT 5.0L 4V 3in x 2 3/4in OEM Cat H Pipe Kooks HDR Req. Kooks Products Are Dyno And Race Tested And Designed For Maximum Power. 3in. x 2-3/4in.(OEM) SS Catted H-Pipe. 2011-2014 Mustang GT 5.0L.. 3" x 2-3/4"(OEM) SS Catted H-Pipe. 2011-2014 Mustang GT 5.0L.. Kooks Uses T304 Aircraft Quality Stainless Steel. 3in. x 2-3/4in. Catted H-Pipe. 3" x 2-3/4" Catted H-Pipe. Manufactured In The USA. 3in. x 2-3/4in. H-Pi. 3" x 2-3/4" H-Pipe

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