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$464.95
Hooker 8501-3HKR GM LS Exhaust Manifold, Black Ceramic Finish
Hooker 8501-3HKR GM LS Exhaust Manifold, Black Ceramic Finish

Hooker 8501-3HKR GM LS Exhaust Manifold, Black Ceramic Finish

Universal Fit, Cast Iron, Ceramic Coated, Black, 2-1/4 Inch Collector Diameter, 3 Emission Code

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Hooker 8501-3HKR GM LS Exhaust Manifold, Black Ceramic Finish
Hooker 8501-3HKR GM LS Exhaust Manifold, Black Ceramic Finish
Hooker 8501-3HKR GM LS Exhaust Manifold, Black Ceramic Finish
Hooker 8501-3HKR GM LS Exhaust Manifold, Black Ceramic Finish
Hooker 8501-3HKR GM LS Exhaust Manifold, Black Ceramic Finish
Hooker 8501-3HKR GM LS Exhaust Manifold, Black Ceramic Finish
Hooker 8501-3HKR GM LS Exhaust Manifold, Black Ceramic Finish
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Hooker 8501-3HKR GM LS Exhaust Manifold, Black Ceramic Finish
Hooker 8501-3HKR GM LS Exhaust Manifold, Black Ceramic Finish
Hooker 8501-3HKR GM LS Exhaust Manifold, Black Ceramic Finish
Hooker 8501-3HKR GM LS Exhaust Manifold, Black Ceramic Finish
Hooker 8501-3HKR GM LS Exhaust Manifold, Black Ceramic Finish
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Part # 42585013HKR
$464.95
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  • Designed to hug close to the engine block so they fit into a wide variety of replacement and engine-swap application
  • Contoured design aims the exhaust directly at the exit port for improved flow
  • A cast iron construction means they will provide years of leak-free performance with less under hood noise than traditional headers
  • A shorty design means you can route exhaust tubing close to your frame/floor pan for maximum ground clearance
  • Intended for all GM LS (except LS7 and LS9) engine swap applications

Details

Material Type:
Cast Iron
Finish:
Ceramic Coated
Color:
Black
Collector Diameter:
2-1/4 Inch
MFG. Part #:
8501-3HKR
Tube O.D.:
1.625"
Emission Code:
3
GTIN Code:
090127681268

Info

These 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.

Features:

  • Intended for GM LS engine swap applications where durability, quiet operation, and leak-free sealing is desired
  • Black ceramic coating for reduced engine compartment temps and improved corrosion resistance
  • 304 stainless 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 manifold
  • 2 bolt exit flange configuration matches the E-rod exhaust manifolds for a factory like fitment. This allows the use of OE gaskets and fasteners if desired, for an OE quality seal and fitment to emissions devices
  • Cast from Hi-Silicon-Moly Ductile Iron to provide durability and corrosion resistance
  • 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

Charts

Installation Instructions (PDF)

G-Body LS Swap Tech Data (PDF)

A/G-Body LS Swap Selection Guide (PDF)

Important Messages

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

Reviews

Q & A

Videos
  • Which size of headers should I use? Short or long tube headers? Etc. Learn how to answer these exhaust questions and choose the right header with our expert guide.
  • Watch our video on the ceramic coating process for Armor Hot Coating. Headers coated with Armor Hot Coating protect your car without sacrificing looks.

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