JBA Cat4Ward Raw 409 Stainless Shorty Headers for Select 2002-2019 GM Truck/SUV (4.8L / 5.3L) 1850S-2

Fits select 2002-2019 Cadillac Escalade, Chevrolet Avalanche, Silverado, Suburban, and Tahoe, GMC Sierra and Yukon, and Hummer H2 (4.8L / 5.3L).

JBA Cat4Ward shorty headers are engineered to replace restrictive factory cast iron manifolds, significantly improving exhaust flow for increased horsepower and torque. Built from durable 409 stainless steel, these headers are designed to withstand the high temperatures and stresses of towing, off-roading, and daily driving. The proprietary JBA Firecone collector uses race-proven technology to enhance scavenging, optimizing power gains in the mid-range where it is most used. Each set features heavy-duty 3/8-inch thick machined flanges to prevent warping and ensure a long-lasting, leak-free seal.

• Mandrel-bent 409 stainless steel tubing for maximum flow velocity
• 3/8-inch thick machined flanges with oversized exhaust ports
• Proprietary JBA Firecone collector for improved scavenging
• Extra-thick collector domes to prevent leaks under heavy loads
• Factory-style emission connections for a direct-replacement installation
• Includes high-quality hardware and required gaskets
• Manufacturer Part Number: 1850S-2