1. Automotive Used Intake Manifolds Items
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  3. KARL PERFORMANCE 81001BK

KARL PERFORMANCE PARTS 81001BK Intake Throttle Body BOX-LS1/2/6 102MM

fits model: Efi.

Box-ls1 Karl Performance Parts 81001bk Open Box-ls1/2/6 Efi Fabricated Aluminum Intake 102mm Throttle Body Black

( Brand: Karl Performance Parts ), ( Type: Ls ), ( Placement On Vehicle: Engine Compartment ), ( Material: Aluminum ), ( Features: 102mm Throttle Body ), ( Fuel Type: Gasoline ), ( Engine Size: 5.7l 6.0l ), ( Manufacturer Part Number: 81001BK )

Review KARL PERFORMANCE PARTS Open Box-ls1/2/6 Fabricated Aluminum Intake 102mm Throttle Body Black fits EFI

The Karl Performance 81001BK Box-LS1/2/6 EFI Intake is a high-performance intake manifold system designed specifically for Chevrolet LS1, LS2, and LS6 engines. This intake system is engineered to provide improved airflow and better throttle response, resulting in enhanced engine performance and increased power output.

The intake manifold comes with a 102mm throttle body that offers smoother and more responsive throttle transitions. This throttle body is also equipped with a mass airflow sensor, ensuring accurate airflow readings for the engine management system.

The intake manifold itself is constructed from high-strength aluminum, ensuring durability and longevity. It features a unique runner design that optimizes airflow and reduces turbulence, resulting in improved power and torque throughout the RPM range.

The intake runners are also port-matched to the cylinder heads, ensuring optimal fuel delivery and combustion. The intake ports are CNC-machined for precision and feature a polished finish for a professional appearance.

The intake manifold comes with a gasket and hardware kit, making installation easy and straightforward. It also includes a new fuel rail and fuel pressure regulator, ensuring proper fuel delivery to the engine.

The Karl Performance 81001BK Box-LS1/2/6 EFI Intake is a high-quality, performance-enhancing upgrade for any Chevrolet LS1, LS2, or LS6 engine. It delivers improved airflow, better throttle response, and increased power output, making it an essential modification for any serious performance enthusiast.

The Karl Performance 81001BK EFI intake system with a 102mm throttle body is a performance upgrade designed for LS1, LS2, and LS6 Chevrolet engines. Here are some pros and cons that can help you decide whether this product is suitable for your vehicle.

Pros:

1. Improved Airflow: This intake system is designed to provide better airflow to the engine, which can lead to increased horsepower and torque.

2. Fuel Efficiency: By improving the air-fuel mixture, this intake system can help improve fuel efficiency, leading to potential savings at the pump.

3. Easy Installation: The intake system comes with all necessary hardware for installation, making it a relatively easy DIY project for many enthusiasts.

4. Improved Engine Sound: The intake system can provide a more aggressive engine sound, adding to the overall driving experience.

Cons:

1. Cost: The Karl Performance intake system is not an inexpensive upgrade, which may be a deterrent for some enthusiasts.

2. Requires Tuning: To get the most out of this intake system, it may require tuning, which can add to the overall cost and complexity of the project.

3. Potential Vibration: Some users have reported vibration issues with this intake system, which may require additional mounting hardware or tuning to address.

4. May Not Be Suitable for All Engines: This intake system is designed specifically for LS1, LS2, and LS6 Chevrolet engines. It may not be suitable for other engines or may require additional modifications to work correctly.

Ending Conclusion:

The Karl Performance 81001BK EFI intake system with a 102mm throttle body is a high-performance upgrade that can provide significant gains in horsepower, torque, and fuel efficiency for LS1, LS2, and LS6 Chevrolet engines. However, it comes with a higher cost, potential vibration issues, and the requirement for tuning. If you're an enthusiast looking for a significant power increase and don't mind the additional cost and complexity, this intake system may be a worthy investment. If you're on a budget or prefer a simpler upgrade, other options may be more suitable for your needs.

Details:

KPP81001BK-OB, WAS $499.99, for only $225.00. Buyer pays return shipping. Fitment information may not be available for all products and those without fitment will have a Compatibility link

OPEN BOX-LS1/2/6 EFI Fabricated Aluminum Intake 102mm Throttle Body Black, Manufacturer Supplied Image May Not Reflect Actual Product. LS1/LS2/LS6 EFI Fabricated Aluminum Intake Manifold 102mm Throttle Body Black. 5in Velocity Stacked Runners.

specifications inputmanifolds:

  • for models: Efi
  • brand: Karl Performance Parts
  • type: Ls
  • placement on vehicle: Engine Compartment
  • material: Aluminum
  • features: 102mm Throttle Body
  • fuel type: Gasoline
  • engine size: 5.7l 6.0l
  • manufacturer part number: 81001BK

shipping inputmanifolds:

  • class: Standard
  • type: Fixed
  • cost: $0.00
  • service: Standard
  • transit: 2-5 Days

seller inputmanifolds:

  • rating: 99.7%
  • city: Des Moines, Iowa
  • # reviews: 21903

returns inputmanifolds:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller

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offer inputmanifolds:

  • sold: 0
  • quantity: 1
  • availability: In Stock
  • started: November 5, 2025
  • options: Ship-to-home

general inputmanifolds:

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  • Car Truck Parts Accessories > Air Fuel Delivery > Intake Manifolds
for models: efi, type: ls, placement on vehicle: engine compartment, features: 102mm throttle body, fuel type: gasoline, engine size: 5.7l 6.0l,
category: auto parts > car truck parts accessories > air fuel delivery > intake manifolds, material: aluminum, sku: 10297934181132793,

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