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Hooker

LS Swap Exhaust Manifolds Black Ceramic Finish Multi-Fit 2.50 In. Outlet Gen III, Gen Iv Chevrolet LS Engine Hooker BlackHeart

$760.95 $699.95 Save $61.00

SKU: H00I 8502-3HKR

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In Stock
Ships by Oct 7
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Hooker BlackHeart exhaust manifolds are constructed from cast iron with a black ceramic finish. They feature a 2.50-inch outlet and are designed to hug close to the engine block for improved fitment in various swap applications.

These manifolds are compatible with all GM LS engines, excluding the LS7 and LS9. They are specifically noted as not compatible with 2004-2006 GTO starters or bellhousings.
Show original supplier description

Part #: 8502-3HKR

These Hooker BlackHeart cast iron exhaust manifolds have a 2.50 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, MLS mating flange gaskets, and mating flange hardware includedCast from Hi-Silicon-Moly Ductile Iron to provide durability and corrosion resistance2.5 inch outlet diameter offers improved flow for maximum performance from a cast iron exhaust manifoldTight 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 25mmCollector Diameter: 2.50 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

Features:

  • Intended for GM LS engine swap applications where durability, quiet operation, and leak-free sealing is desired
  • Durable/Quiet Operation
  • Black ceramic coating for reduced engine compartment temps and improved corrosion resistance
  • Leak-Free Sealing
  • Nickel plated steel mating flanges, MLS mating flange gaskets, and mating flange hardware included
  • Corrosion Resistant
  • Cast from Hi-Silicon-Moly Ductile Iron to provide durability and corrosion resistance
  • Tight Tuck Design For Universal Fit/Traditional Muscle Car Look
  • 2.5 inch outlet diameter offers improved flow for maximum performance from a cast iron exhaust manifold
  • Tight tuck design provides universal fit for most popular chassis and a clean traditional muscle car appearance
  • Perfect complement to Hooker engine swap mount plates and Holley engine swap oil pans

Hooker Exhaust Manifolds | For Use w/LS Swap | 1.625 in. Tubing | 2.5 in. Collector | Hi-Silicon-Moly Ductile Iron | Incl. Hardware | Black Ceramic Finish

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Vehicle Symptoms
  • Exhaust leak ticking noise at idle
  • Engine performance loss under load
  • Check engine light for catalytic converter efficiency
  • Rotten egg smell from exhaust
  • Visible cracks or rust on factory manifold
Diagnostic Codes
  • P0420 – Cat Sys Efficiency Below Threshold (B1)
  • P0430 – Cat Sys Efficiency Below Threshold (B2)
  • P0300 – Random or multiple cylinder misfire Det
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

BrandHooker
Part NumberH00I 8502-3HKR

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