1987-1990 Jeep Wrangler 4.2L 6 Cyl AMC 258 Exhaust Header

Exhaust Headers For 1987-1990 Jeep Wrangler 4.2L 6 Cyl AMC 258 Engines Upgrade your Jeep with this high-performance AMC 258 header, designed for 1987–1990 Jeep Wrangler 4.2L 6-cylinder engines. Crafted from polished stainless steel with mandrel-bent 1.50" tubes and a 2.00" collector, it improves exhaust flow, boosts horsepower, and enhances engine sound. Direct bolt-on fit—no modifications needed. Fitment: 1987-1990 Jeep Wrangler 4.2L 6 Cyl AMC 258 Specifications: Brand Name: FLASHARKCertificate: ISO9001:2000Application: Automobile Exhaust HeaderMaterial: Stainless SteelSurface: Mirror PolishTube Diameter: 1.50"Collector Diameter: 2.00" Exhaust Header VS Manifold, which is the better choice? The structural differences between exhaust headers and manifolds mainly lie in material and design. Exhaust headers are made of lighter, thinner steel, while manifolds are typically built from thick cast iron. Headers are also longer, and because each engine cylinder is connected to its own individ