Hooker Headers 8527HKR Exhaust Manifold

Hooker's new cast iron small-block Chevy exhaust manifolds offer an increase in performance & visual appearance over stock-style manifolds. Their compact design fit into a wide variety of replacement & engine swap applications. This means you get the traditional look & easy fitment of a stock style exhaust manifold but now w/a smoother, cleaner appearance, plus more modern features. These manifolds are cast out of high silicon-molybdenum ductile iron for high temperature strength & better resistance to oxidation & cracking. Internally these manifolds have a larger than stock 1 5/8-inch cross-sectional area & 2 1/2-inch outlets for better air flow & improved performance. Designed for raised D-port heads, these manifolds fit many popular GM applications including standard straight & Vortec straight plug head designs. Finishes include natural, silver, black, & titanium ceramic. Gaskets & hardware are included, along w/weld-on flanges to aid in downpipe installation.