JBA Cat4Ward Header for 2001-2003 GM 8.1L Chevy Truck – Silver, Part 1860SJS

Description

Upgrade your GM 8.1L truck with the JBA Cat4Ward Header, designed specifically for 2001-2003 Chevrolet Silverado and Avalanche models. Constructed from mandrel-bent stainless steel, these headers improve exhaust flow by significantly reducing restrictions compared to stock manifolds. Featuring 3/8-inch thick machined flanges with oversized exhaust ports, they ensure a durable and leak-free connection, enhancing engine performance and efficiency. The proprietary JBA Firecone collector utilizes race-proven technology to maximize power and torque gains where you need them most, whether for towing, daily driving, or performance upgrades. Each system includes factory-style emission connections and high-quality hardware, simplifying installation and ensuring a professional finish. These headers are built to withstand the rigors of racing and demanding driving conditions, thanks to extra thick collector domes and corrosion-resistant stainless steel tubing. Designed to be EPA compliant and CARB EO approved, they are an ideal choice for enthusiasts seeking improved engine performance without compromising legal requirements. The JBA Cat4Ward Header is an effective upgrade that enhances exhaust scavenging, boosts horsepower, and increases torque, all while maintaining factory emission standards for a seamless integration into your vehicle’s exhaust system.

Features:

• 3/8-inch thick machined flanges with oversized exhaust ports for durability and optimal sealing

• Proprietary JBA Firecone collector for maximum power and torque gains

• Factory style emission connections for easy installation and legal compliance

• Mandrel bent stainless steel tubes for smooth exhaust flow and corrosion resistance

• Extra thick collector domes to withstand high temperatures and enhance performance

Fitment:
Chevrolet Avalanche 2500 Base 2002
Chevrolet Avalanche 2500 Base 2003
Chevrolet Silverado 2500 HD Base 2001
Chevrolet Silverado 2500 HD Base 2002
Chevrolet Silverado 2500 HD Base 2003
Chevrolet Silverado 2500 HD LS 2001
Chevrolet Silverado 2500 HD LS 2002
Chevrolet Silverado 2500 HD LS 2003
Chevrolet Silverado 2500 HD LT 2001
Chevrolet Silverado 2500 HD LT 2002
Chevrolet Silverado 2500 HD LT 2003
Chevrolet Silverado 3500 Base 2001
Chevrolet Silverado 3500 Base 2002
Chevrolet Silverado 3500 Base 2003
Chevrolet Silverado 3500 LS 2001
Chevrolet Silverado 3500 LS 2002
Chevrolet Silverado 3500 LS 2003
Chevrolet Silverado 3500 LT 2001
Chevrolet Silverado 3500 LT 2002
Chevrolet Silverado 3500 LT 2003
Chevrolet Suburban 2500 Base 2001
Chevrolet Suburban 2500 LS 2001
Chevrolet Suburban 2500 LS 2002
Chevrolet Suburban 2500 LS 2003
Chevrolet Suburban 2500 LT 2001
Chevrolet Suburban 2500 LT 2002
Chevrolet Suburban 2500 LT 2003
GMC Sierra 2500 HD Base 2002
GMC Sierra 2500 HD Base 2003
GMC Sierra 2500 HD SL 2001
GMC Sierra 2500 HD SL 2002
GMC Sierra 2500 HD SLE 2001
GMC Sierra 2500 HD SLE 2002
GMC Sierra 2500 HD SLE 2003
GMC Sierra 2500 HD SLT 2001
GMC Sierra 2500 HD SLT 2002
GMC Sierra 2500 HD SLT 2003
GMC Sierra 2500 HD WT 2003
GMC Sierra 3500 Base 2002
GMC Sierra 3500 Base 2003
GMC Sierra 3500 SL 2001
GMC Sierra 3500 SL 2002
GMC Sierra 3500 SLE 2001
GMC Sierra 3500 SLE 2002
GMC Sierra 3500 SLE 2003
GMC Sierra 3500 SLT 2001
GMC Sierra 3500 SLT 2002
GMC Sierra 3500 SLT 2003
GMC Yukon XL 2500 SLE 2001
GMC Yukon XL 2500 SLE 2002
GMC Yukon XL 2500 SLE 2003
GMC Yukon XL 2500 SLT 2001
GMC Yukon XL 2500 SLT 2002
GMC Yukon XL 2500 SLT 2003