JBA Cat4Ward 1-1/2in Raw 409SS Shorty Headers for 1988-1995 GM Truck (4.3L) w/o A.I.R. - 1840S

Fits select 1988-1995 Chevrolet and GMC C1500, C2500, K1500, and K2500 trucks (4.3L).

JBA Cat4Ward shorty headers are a premier performance upgrade for GM truck owners looking to replace restrictive factory cast-iron manifolds. These headers (MPN 1840S) are specifically designed for the 4.3L V6 engine in configurations without A.I.R. (Air Injection Reactor) systems. By utilizing mandrel-bent 409 stainless steel tubing and the proprietary JBA Firecone collector, these headers significantly improve exhaust scavenging to increase horsepower and torque across the powerband.

• Manufactured from durable 409 stainless steel for superior heat resistance
• 1-1/2 inch mandrel-bent primary tubes maintain consistent internal diameter
• 3/8 inch thick CNC-machined flanges with oversized ports for a leak-free seal
• Proprietary Firecone collector design maximizes scavenging for better efficiency
• Designed for vehicles without A.I.R. injection systems
• Includes factory-style emission connections and high-quality installation hardware