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!"

• 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
• Kooks Uses T304 Aircraft Quality Stainless Steel
• Manufactured In The USA
• 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" x 2-3/4"(OEM) Catted Stainless Steel Y-Pipe. 2014-2018 GM 1500 Series Truck/2015-2020 SUV 5.3L. In an effort to provide our customers the best product available, Kooks has discontinued the Standard Cats and will be offering only the more durable and higher quality EPA verified Kooks GREEN Cats in our product. Kooks GREEN Cats are engineered to perform in Modern Muscle cars up to 750 RWHP, This part has been superseded by Part# 28603300