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!". 2019-2020 GM 1500 Series 5.3L EcoTec3 V8/4.3L EcoTec3 V6 trucks with 147.43in. and 147.53in. Wheelbase. 2-3/4in.(OEM) x 3in. Stainless Steel Cat-Back Side-Exit Exhaust. Connects to OEM connection point. KST (Kooks Street Type) Muffler. Black Coated Dual Tips exiting behind passenger side rear tire. Best Suited for use with Kooks Headers and Y-Pipe. Quiet option when used with OEM manifolds and Cats. Fits Double Cab Trucks w/Standard Box/Crew Cab Trucks w/Short Box. 2019-2020 GM 1500 Series 5.3L EcoTec3 V8/4.3L EcoTec3 V6 trucks with 147.43" and 147.53" Wheelbase. 2-3/4"(OEM) x 3" Stainless Steel Cat-Back Side-Exit Exhaust. Connects to OEM connection point. KST (Kooks Street Type) Muffler. Black Coated Dual Tips exiting behind passenger side rear tire. Best Suited for use with Kooks Headers and Y-Pipe. "Quiet" option when used with OEM manifolds and Cats. Fits Double Cab Trucks w/ Standard Box & Crew Cab Trucks w/ Short Box. 2019-2020 GM 1500 Series 5.3L EcoTec3 V8/4.3L EcoTec3 V6 trucks with 147.43" and 147.53" Wheelbase 2-3/4"(OEM) x 3" Stainless Steel Cat-Back Side-Exit ExhaustConnects to OEM connection point KST (Kooks Street Type) Muffler Black Coated Dual Tips exiting behind passenger side rear tire Best Suited for use with Kooks Headers and Y-Pipe "Quiet" option when used with OEM manifolds and Cats Fits Double Cab Trucks w/ Standard Box & Crew Cab Trucks w/ Short Box. 2019-2020 GM 1500 Series 5.3L EcoTec3 V8/4.3L EcoTec3 V6 trucks with 147.43in./147.53in. Wheelbase. 2-3/4in.(OEM) x 3in. Stainless Cat-Back Exhaust. KST (Kooks Street Type) Muffler. Black Coated Dual Tips exiting behind passenger side rear. 2019-2020 GM 1500 Series 5.3L EcoTec3 V8/4.3L EcoTec3 V6 trucks with 147.43"/147.53" Wheelbase. 2-3/4"(OEM) x 3" Stainless Cat-Back Exhaust. KST (Kooks Street Type) Muffler. Black Coated Dual Tips exiting behind passenger side rear tire.. Kooks 2019+ GM 1500 Series Truck 5.3L CC w/ Short Box OEM x 3in SS Catback Exhaust w/ Black Tips. 3in. SS Side Exit KST Cat-Back w/Black Tips. 2019-2020 GM Truck 5.3L.. 3" SS Side Exit KST Cat-Back w/Black Tips. 2019-2020 GM Truck 5.3L.. Kooks Headers And Exhaust Make The Most Power In The Industry. Kooks System Are Specifically Designed For Maximum Power. Kooks Products Are Made Of T304 Air Craft Quality Steel. Limited Lifetime Warranty To Original Purchaser. 3 Generations Being Family Owned And Operated. Every Kooks Product Is Dyno And Race Tested. Kooks Products Fit And Install The Best. 2-3/4in.(OEM) x 3in. Cat-Back Exhaust.. 100 Percent Manufactured In The USA. 2-3/4"(OEM) x 3" Cat-Back Exhaust.. OEM x 3in. Cat-Back. OEM x 3" Cat-Back

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