Kooks Headers 2855H420 1-7/8" Long Tube Headers with Catted Connection Kit for 2009-2013 GM 1500 4.8L/5.3L

The Kooks Headers 2855H420 is a complete long tube header and catted connection kit engineered specifically for 2009-2013 GM 1500 series trucks equipped with 4.8L or 5.3L engines. This premium stainless steel exhaust system combines Kooks' legendary 1-7/8" primary tube headers with high-flow catalytic converters for maximum performance while maintaining emissions compliance.

Key Features:

• 1-7/8" diameter primary tubes for optimized exhaust flow and horsepower gains
• 304 stainless steel construction for superior durability and corrosion resistance
• Includes high-flow catalytic converters for emissions compliance
• Precision mandrel-bent tubing maintains consistent diameter throughout
• CNC machined flanges ensure leak-free, perfect fitment
• Complete bolt-on installation with all necessary hardware included
• Handcrafted in the USA with over 50 years of exhaust engineering expertise

Kooks Headers has been the industry leader in high-performance exhaust systems since 1962, with proven success in NHRA, IHRA, NMCA, NMRA, NASCAR, and other professional racing organizations. This system delivers significant power gains, improved throttle response, and an aggressive exhaust note while maintaining street legality with integrated catalytic converters. Each system is hand-built to exacting standards to ensure maximum performance and reliability for your GM truck.