Kooks Headers 2851H420 1-7/8in. Long Tube Header and Catted Y-Pipe Connection Kit

The Kooks Headers 2851H420 is a complete 1-7/8-inch long tube header and catted connection kit engineered for 1999–2006 GM 1500 Series trucks and SUVs equipped with 4.8L or 5.3L V8 engines, including the Silverado, Tahoe, Yukon, and similar platforms. This kit replaces restrictive factory exhaust manifolds with a free-flowing header design to improve exhaust scavenging, increase horsepower and torque, and deliver a more aggressive exhaust note.

Kit Includes:

• 1-7/8" x 3" stainless steel long tube headers
• 3" x OEM outlet catted stainless steel Y-pipe connection

Key Features:

• T304 aircraft-quality stainless steel construction for superior durability and corrosion resistance
• 1-7/8" primary tube diameter with 3" collector outlet for maximum exhaust flow
• Catted stainless steel Y-pipe included for a complete bolt-on installation
• Handcrafted in the USA — every Kooks header is built domestically with precision welding and fabrication
• Dyno and race tested — designed and validated for maximum power gains
• Limited lifetime warranty to the original purchaser

Kooks Headers and Exhaust has been a leader in the high-performance exhaust industry since 1962, earning championships across NHRA, IHRA, NMCA, NMRA, NASCAR, SCCA, NASA, and more. The 2851H420 brings that same race-proven engineering to your street truck or SUV in a direct-fit package.

California Residents: This product can expose you to chemicals including Chromium and Nickel, known to the State of California to cause cancer, birth defects, or reproductive harm. See P65Warnings.ca.gov for more information. This product is intended for off-highway use only.