1. Exhaust Systems Inboard Engines Components For Sale
  2. sku: 7750216235875791
  3. BFO J5KW6Y

BFO J5KW6Y Exhaust Manifold Kit Ci 2X 5.0L 5.7L 6.2L 377CI

fits model: 350ci, Marine, 305, Mercruiser.

J5kw6y Bfo 2x Marine Exhaust Manifold Kit For Mercruiser 5.0l 5.7l 6.2l 305 Ci 350ci 377ci

( Brand: Bfo ), ( Manufacturer Part Number: J5KW6Y ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Color: Black ), ( Engine: 5.0l/5.7l/6.2l ), ( Features: High Quality Material, Easy Installation ), ( Fitment: For Mercruiser Gm 5.0 ), ( For Mcm/mie Gm V8: 305, 350, 377 Cid Engines, For Mercruiser Most Small Block V-8 Engines 5.0l/5.7l/6.2l ), ( Fitment Type: Direct Replacement ), ( Fuel Type: Gasoline ), ( Items Included: As Pics Shown ), ( Material: Cast Iron ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Oe/oem Part Number: 860246a10, 860246a15, 860246a3, 860246a7, 860246a9, 860336a2, 860246q11, 87114a19, 9-40507, 18-1953-2, 1819532 ), ( Type: Exhaust Manifold ), ( Warranty: 1 Year )

Review BFO 2x Exhaust Manifold Kit 5.0l 5.7l 6.2l Ci 377ci fits MERCRUISER 350CI MARINE 305

The BFO J5kw6y 2x Marine Exhaust Manifold Kit is a high-performance aftermarket solution designed to replace the original exhaust manifolds on MerCruiser engines with a displacement of 5.0L, 5.7L, 6.2L, 305 ci, 350ci, or 377ci. This kit is an excellent choice for boat owners looking to enhance their engine's efficiency, power, and durability.

The BFO manifolds are manufactured using advanced engineering techniques and premium materials. Each manifold is meticulously crafted from high-strength stainless steel, ensuring superior heat resistance and resistance to corrosion. This material choice also guarantees a long-lasting and robust design, ideal for the demanding marine environment.

The manifold kit consists of two identical manifolds, each featuring a 4-bolt flange design that securely attaches to the engine head. The flanges are precision-engineered to ensure a perfect seal and optimal exhaust gas flow. The exhaust ports on the manifolds are strategically placed to minimize turbulence and maximize exhaust efficiency.

Additionally, the BFO J5kw6y Marine Exhaust Manifold Kit includes high-performance exhaust gaskets, ensuring a leak-free installation. The gaskets are made of a composite material that combines the advantages of both copper and steel, providing excellent sealing properties and superior resistance to heat and pressure.

This kit also offers improved engine performance by reducing exhaust backpressure, enabling the engine to breathe more efficiently. As a result, your MerCruiser engine will experience increased horsepower, better torque, and improved fuel economy.

In summary, the BFO J5kw6y 2x Marine Exhaust Manifold Kit is an exceptional upgrade for MerCruiser engines with a displacement of 5.0L, 5.7L, 6.2L, 305 ci, 350ci, or 377ci. By providing superior durability, enhanced performance, and easy installation, this kit is an excellent investment for boat owners looking to get the most out of their MerCruiser engine.

Pros and Cons of Buying a BFO J5kw6y 2x Marine Exhaust Manifold Kit for Mercruiser 5.0L, 5.7L, 6.2L, 305 CI, 350CI, 377CI Engines

Pros:

1. Improved Performance: The aftermarket exhaust manifold kit can enhance the engine's power output and torque, resulting in smoother and quicker acceleration.

2. Durability: The BFO J5kw6y kit is designed using high-quality materials, ensuring long-lasting performance even in harsh marine environments.

3. Customization: The kit offers the flexibility to customize the exhaust system, allowing users to tailor the sound and appearance of their engine to their preferences.

4. Easy Installation: The kit comes with clear instructions and is generally easy to install, saving time and money compared to professional installation services.

Cons:

1. Cost: The aftermarket exhaust manifold kit may be more expensive than the OEM (Original Equipment Manufacturer) part, which could be a significant investment for some boat owners.

2. Potential Noise: The custom exhaust system may generate more noise than the factory exhaust, potentially disturbing other boaters or those in the vicinity.

3. Maintenance: Custom exhaust systems may require more frequent maintenance, as they are exposed to the harsh marine environment and may be more susceptible to corrosion.

4. Compatibility: Ensuring the kit is compatible with the specific Mercruiser engine model and configuration is essential, as using an incorrect kit can lead to performance issues or even engine damage.

Conclusion:

When considering purchasing the BFO J5kw6y 2x Marine Exhaust Manifold Kit for Mercruiser 5.0L, 5.7L, 6.2L, 305 CI, 350CI, 377CI engines, it is essential to weigh the pros and cons carefully. The potential benefits, such as improved performance, durability, and customization, must be balanced against the cons, including cost, potential noise, maintenance requirements, and compatibility concerns.

If the boat owner is looking for a significant power boost, values a custom exhaust system, and is willing to invest in the higher cost, the BFO J5kw6y kit could be an excellent choice. However, if the primary concern is keeping costs low or maintaining a quieter exhaust system, it may be worth considering an OEM exhaust manifold kit or alternative aftermarket options. Ultimately, the decision depends on the individual's priorities and preferences.

Details:

OE/Part number. Tubes sized and shaped to match cylinder-head exhaust port. Product for: Direct for. Package included.

860246A10,860246A15,860246A3,860246A7,860246A9,860336A2,860246Q11,87114A19,9-40507,18-1953-2,1819532. Return item must be in brand new and unused condition with original tags packaging. Type: Exhaust Manifold Kit. Item Quality problem.

Our product is a wet joint manifold. Aftermarket Direct Fit for OE Replacement, Precision-engineered to match specs straightforward bolt-on installation no major modifications required most applications. Condition: Brand New. Return items must be in original condition.

Does not for newer dry-joint manifolds. Rugged Performance for Demanding Vehicles, Built trucks, Suva, and high-mileage cars delivers consistent strength under heavy loads harsh conditions. As Picture Shown. K EU Features Made from top quality cast iron for stronger heat durability and stability.

Color: Black. Material: Cast Iron. O ther items >> you might also like. For Mercruiser GM 5.0 305 and 5.7 350 Engines from the Early 1980to 2002.

Our mechanic will inspect every return item. For shipping damage case. High flow design to enable an increase in power and performance. For MerCruiser 5.0L 305 ci, 5.7L 350CI, 6.2L 377ci, and most small block V-8 Engines.

For MCM/MIE GM V8 305, 350, 377 CID Engines 1983 - 2002. Reliable Leak-Proof Sealing, Machined flanges with uniform bolt patterns ensure tight seals standard aftermarket gaskets sold separately. The reason for return. Efficient Heat Dissipation, Natural thermal conductivity helps manage engin temperatures and protect adjacent components.

D ascription and Applications.

specifications exhaussyste:

  • for models: 350ci, Marine, 305, Mercruiser
  • brand: Bfo
  • mpn: J5kw6y
  • california prop 65 warning: California Prop 65 Warning
  • color: Black
  • engine: 5.0l/5.7l/6.2l
  • features: High Quality Material, Easy Installation
  • fitment: For Mercruiser Gm 5.0
  • for mcm/mie gm v8: 305, 350, 377 Cid Engines, For Mercruiser Most Small Block V-8 Engines 5.0l/5.7l/6.2l
  • fitment type: Direct Replacement
  • fuel type: Gasoline
  • items included: As Pics Shown
  • material: Cast Iron
  • note: No Instruction Included
  • notice: This Is Aftermarket Replcement Part
  • oe/oem part number: 860246a10, 860246a15, 860246a3, 860246a7, 860246a9, 860336a2, 860246q11, 87114a19, 9-40507, 18-1953-2, 1819532
  • type: Exhaust Manifold
  • warranty: 1 Year

returns exhaussyste:

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

payments exhaussyste:

  • other
  • credit card: Diners-club
  • wallet: Google-pay

general exhaussyste:

  • Boat Parts > Inboard Engines Components > Exhaust Systems
  • condition: New

shipping exhaussyste:

  • cost: $0.00
  • transit: 4-7 Days
  • service: Standard
  • class: Standard
  • type: Fixed

offer exhaussyste:

  • availability: In Stock
  • best offers: True
  • sold: 0
  • quantity: 5
  • options: Ship-to-home
  • started: August 1, 2025

seller exhaussyste:

  • # reviews: 20927
  • city: Elk Grove Village, Illinois
  • rating: 98.8%
for models: 350ci, marine, 305, mercruiser, california prop 65 warning: california prop 65 warning, engine: 5.0l/5.7l/6.2l, features: high quality material, easy installation, fitment: for mercruiser gm 5.0, for mcm/mie gm v8: 305, 350, 377 cid engines, for mercruiser most small block v-8 engines 5.0l/5.7l/6.2l, fitment type: direct replacement, fuel type: gasoline, items included: as pics shown, note: no instruction included, notice: this is aftermarket replcement part, oe/oem part number: 860246a10, 860246a15, 860246a3, 860246a7, 860246a9, 860336a2, 860246q11, 87114a19, 9-40507, 18-1953-2, 1819532, type: exhaust manifold, warranty: 1 year,
category: boat parts > inboard engines components > exhaust systems, color: black, material: cast iron, sku: 7750216235875791,
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