{"product_id":"gm-ls-cast-iron-exhaust-manifolds-black-finish","title":"LS Swap Exhaust Manifolds Black Ceramic Finish Multi-Fit 2.25 In. Outlet Gen III, Gen Iv Chevrolet LS Engine Hooker BlackHeart","description":"\u003cp\u003e\u003cb\u003ePart #:\u003c\/b\u003e 8501-3HKR\u003c\/p\u003e\u003cp\u003eThese Hooker BlackHeart cast iron exhaust manifolds have a 2.25 inch outlet, black ceramic finish and are designed to hug close to the engine block so they fit into a wide variety of replacement and engine-swap applications. Their contoured design aims the exhaust directly toward the exit port for improved flow.Being cast iron means they will provide years of leak-free performance with less under hood noise than traditional headers. Plus, their shorty design means you can route exhaust tubing close to your frame\/floor pan for maximum ground clearance.Intended for GM LS engine swap applications where durability, quiet operation, and leak-free sealing is desiredBlack ceramic coating for reduced engine compartment temps and improved corrosion resistanceNickel plated steel mating flanges included (mating flange fasteners are not included)2.25 inch outlet diameter offers improved flow for maximum performance from a cast iron exhaust manifold2 bolt exit flange configuration matches the E-rod exhaust manifolds for a factory like fitment. This allows the use of factory gaskets and fasteners if desiredCast from Hi-Silicon-Moly Ductile Iron to provide durability and corrosion resistanceTight tuck design provides universal fit for most popular chassis and a clean traditional muscle car appearancePerfect complement to Hooker engine swap mount plates and Holley engine swap oil pansDetails:Bolt size: M8 x 1.25 x 25mmCARB (California) Compliant: NoCollector Diameter: 2.25 inchEmission Code: 8Engine: GM Gen III\/IV (LS)Exhaust Manifold Style: Standard SwapExhaust Series: HookerFinish: Black CeramicFlange Style: 2-BoltHeader Finish: Black CeramicHeader Style: ManifoldMaterial: Cast IronPrimary Tube Dia.: 1-3\/4 inchProduct Type: ManifoldSubframe: StockTube Material: Cast IronType of Component: ManifoldWarning: California Proposition 65\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIntended for GM LS engine swap applications where durability, quiet operation, and leak-free sealing is desired\u003c\/li\u003e\n\u003cli\u003eTight Tuck Design Provides Universal Fit\u003c\/li\u003e\n\u003cli\u003eBlack ceramic coating for reduced engine compartment temps and improved corrosion resistance\u003c\/li\u003e\n\u003cli\u003eFree-Flowing For Good Performance\u003c\/li\u003e\n\u003cli\u003eNickel plated steel mating flanges included (mating flange fasteners are not included)\u003c\/li\u003e\n\u003cli\u003eCatalytic Converter Efficiency\u003c\/li\u003e\n\u003cli\u003e2.25 inch outlet diameter offers improved flow for maximum performance from a cast iron exhaust manifold\u003c\/li\u003e\n\u003cli\u003eHi-Silicon-Moly Ductile For Durability\u003c\/li\u003e\n\u003cli\u003e2 bolt exit flange configuration matches the E-rod exhaust manifolds for a factory like fitment. This allows the use of factory gaskets and fasteners if desired\u003c\/li\u003e\n\u003cli\u003eCorrosion Resistant\u003c\/li\u003e\n\u003cli\u003eCast from Hi-Silicon-Moly Ductile Iron to provide durability and corrosion resistance\u003c\/li\u003e\n\u003cli\u003e2 Bolt Exit Flange Configuration\u003c\/li\u003e\n\u003cli\u003eTight tuck design provides universal fit for most popular chassis and a clean traditional muscle car appearance\u003c\/li\u003e\n\u003cli\u003ePerfect Complement To Engine Swap Mount Plates\u003c\/li\u003e\n\u003cli\u003ePerfect complement to Hooker engine swap mount plates and Holley engine swap oil pans\u003c\/li\u003e\n\u003cli\u003ePerfect Complement To Holley Engine Swap Oil Pans\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eHooker Exhaust Manifolds |  1.625 in. Tubing |  2.25 in. Collector |  Hi-Silicon-Moly Ductile Iron |  Black Ceramic\u003c\/p\u003e\u003cp\u003eThis product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.\u003c\/p\u003e","brand":"Hooker","offers":[{"title":"Default Title","offer_id":51827759350072,"sku":"H00I 8501-3HKR","price":599.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/horsepower-asset-520460-1020983-square_e9f3d295-c133-438a-9b02-d1a5d6b54531.webp?v=1774558178","url":"https:\/\/store.motormia.co\/products\/gm-ls-cast-iron-exhaust-manifolds-black-finish","provider":"MOTORMIA","version":"1.0","type":"link"}