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Hooker BlackHeart

Hooker BlackHeart LT Turbo Exhaust Manifold - Driver Side

Multi-Fit GM LT Turbo Exhaust Manifold - Driver side - 2.5 inch Outlet/Crossover Connection, Natural Cast Finish

Part # 8541HKR
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Holley's new LT Turbo Exhaust Manifolds provide a simple and effective way to add a turbo to your LT powered car or truck. These turbo manifolds are made from High-Silicon-Moly ductile iron, which are much more durable and retain more heat than fabricated headers. This added heat retention aids in turbo efficiency. Their compact design allows for better fitment in multiple applications and better spark plug access than many fabricated headers do. These manifolds work with most common LT swap parts (i.e. motor mounts, swap oil pan, and accessory drive systems) & provide the basic building blocks needed to complete a custom turbo system for your GM LT engine. Patent -


  • Designed to integrate with the most common LT swap applications and components
  • 2.5 inch V-Band crossover connection provide a tight seal
  • Hardware included – Stainless steel V-Band clamps, V-Band flanges and header bolts
  • High-Silicon-Moly Ductile iron construction retains heat for better turbo efficiency and is more durable that headers
  • Compact design allows for better fitment and spark plug access

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.

Bolt SizeM8 x 1.25 x 25mm
BrandHooker BlackHeart
CARB (California) CompliantNo
Collector Diameter2.50 Cross-over connection
Emission Code4
EngineGM LT
Flange StyleV-band
Header FinishNatural
Header StyleTurbo manifold
MaterialCast Iron
Primary Tube Dia.1-3/4 inch
Product TypeManifold
Tube MaterialCast Iron
Part Number8541HKR

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

*Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

Some parts are not legal for use in California or other states with similar regulations.