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Hooker BlackHeart

Hooker BlackHeart LS Swap Exhaust Manifolds

Multi-fit GM LS Exhaust Manifolds, 2.25 inch Outlet - Titanium Ceramic Finish

Part # 8501-4HKR
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Estimated shipping date: 01/25/2022
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These Hooker BlackHeart cast iron exhaust manifolds have a 2.25 inch outlet, titanium 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
  • Titanium ceramic coating for reduced engine compartment temps and improved corrosion resistance (Titanium Ceramic has no actual Titanium properties)
  • 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 factory gaskets and fasteners if desired
  • 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

About Hooker BlackHeart

The BlackHeart team utilizes the latest technology and materials to design exhaust systems, engine swap kits, and mufflers for both import and domestic cars and trucks. Hooker Blackheart is platform-engineered to provide superb performance, aesthetics, and fitment.

ApplicationMulti-fit
Bolt SizeM8 x 1.25 x 25mm
Brand Hooker BlackHeart
CARB (California) CompliantNo
Choose Your PartManifold
Collector Diameter2.25 inch
Emission Code4
EngineGM Small Block Gen III/IV (LS Based)
Exhaust SeriesHooker
FinishTitanium Ceramic
Header FinishTitanium Ceramic
Header StyleManifold
MaterialCast Iron
Primary Tube Dia.1-3/4 inch
Product TypeManifold
SubframeStock
Tube MaterialCast Iron
Type of ComponentManifold
UPC090127681275
Part Number8501-4HKR
4

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

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