1. Exhaust Systems Inboard Engines Components For Sale
  2. sku: 7746165282012751
  3. BFO 0RNMH9

BFO 0RNMH9 Exhaust Manifold Kit Cast Iron 2X 5.0L 5.7L V8

fits model: Marine, Mercruiser. year: 1983–2002.

0rnmh9 Bfo 2x Marine Exhaust Manifold Kit For Mercruiser 5.0l 5.7l V8 1983-2002 Cast Iron

( Brand: Bfo ), ( Manufacturer Part Number: 0RNMH9 ), ( 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 V8 Cast Iron fits MERCRUISER MARINE 1983–2002

Introducing the BFO ORMH9 Marine Exhaust Manifold Kit, an essential upgrade for MerCruiser 5.0L and 5.7L V8 engines manufactured between 1983 and 2002. This cast iron manifold kit is designed to deliver improved performance, durability, and efficiency for your marine application.

The BFO ORMH9 Kit is a direct replacement for the stock exhaust manifold, featuring a robust cast iron construction that ensures strength and resilience against the harsh marine environment. The exhaust ports are meticulously engineered to optimize exhaust gas flow, reducing backpressure and enhancing engine power.

Each exhaust port in this manifold kit boasts a carefully designed size and shape to accommodate the specific MerCruiser engine models. The kit includes all necessary hardware, including gaskets and bolts, for a hassle-free installation process.

One of the most notable features of the BFO ORMH9 Marine Exhaust Manifold Kit is its compatibility with both 5.0L and 5.7L V8 MerCruiser engines, making it a versatile option for a wide range of marine applications. Additionally, the kit's universal design ensures that it can be used with various exhaust systems, giving you the flexibility to choose the best configuration for your specific boat.

By upgrading to the BFO ORMH9 Marine Exhaust Manifold Kit, you can expect improved engine performance, increased fuel efficiency, and reduced exhaust emissions. The enhanced exhaust flow not only provides better power output but also contributes to a smoother running engine. This upgrade is an excellent investment for boat owners who seek to optimize their marine engine's capabilities and extend its lifespan.

In summary, the BFO ORMH9 Marine Exhaust Manifold Kit is a high-quality, cast iron replacement for the stock exhaust manifold on MerCruiser 5.0L and 5.7L V8 engines. Its robust design, optimized exhaust ports, and universal compatibility make it an excellent choice for marine enthusiasts looking to enhance their engine's power, efficiency, and durability.

Buying a BFO (MH9 2x Marine Exhaust Manifold Kit) for Mercruiser 5.0L 5.7L V8 (1983-2002) - Pros, Cons, and Conclusion

A. Introduction

The BFO (MH9 2x Marine Exhaust Manifold Kit) is a popular aftermarket exhaust manifold solution for Mercruiser 5.0L and 5.7L V8 engines (1983-2002) with cast iron blocks. This article aims to provide an unbiased analysis of the benefits and downsides of purchasing this exhaust manifold kit.

B. Pros

1. Improved Performance: The BFO exhaust manifold kit is designed to improve engine performance by reducing backpressure and enhancing exhaust gas flow. This can lead to increased horsepower and torque, resulting in better acceleration and overall power output.

2. Durability: Cast iron manifolds, like the one provided in the BFO kit, are known for their robustness and longevity. They can withstand high temperatures and harsh marine conditions, ensuring a long service life.

3. Easy Installation: The BFO exhaust manifold kit is designed to be a bolt-on replacement for the stock manifold. This makes the installation process relatively straightforward and time-efficient, requiring only basic hand tools.

4. Improved Fuel Economy: By reducing backpressure and improving exhaust gas flow, the BFO exhaust manifold kit can help improve fuel economy. This can lead to cost savings in the long run, as less fuel is required to achieve the same performance levels.

C. Cons

1. Cost: The BFO exhaust manifold kit is not the most affordable aftermarket solution on the market. While the performance and durability benefits may justify the cost for some, others may prefer more budget-friendly options.

2. Weight: Cast iron manifolds are heavier than their aluminum counterparts. This added weight can have a minor impact on boat performance, particularly in high-speed applications.

3. Potential for Increased Noise: The freer exhaust flow provided by the BFO exhaust manifold kit may result in increased engine noise. This can be a concern for boat owners who prioritize a quiet cruising experience.

D. Conclusion

The BFO (MH9 2x Marine Exhaust Manifold Kit) for Mercruiser 5.0L and 5.7L V8 engines (1983-2002) offers several benefits, including improved performance, durability, easy installation, and potential fuel economy savings. However, it also comes with potential drawbacks, such as increased cost, weight, and noise. Ultimately, whether or not the BFO exhaust manifold kit is the right choice for your Mercruiser application depends on your priorities and budget. If you value performance and durability, and are willing to pay a premium, the BFO kit may be an excellent investment. Alternatively, if you are more budget-conscious or prefer a quieter cruising experience, you may want to consider alternative aftermarket manifold solutions or stock replacement options.

E. Recommendation

If you are considering purchasing the BFO (MH9 2x Marine Exhaust Manifold Kit) for your Mercruiser 5.0L or 5.7L V8 engine (1983-2002) and are confident in the benefits it provides, we recommend sourcing the kit from a reputable supplier to ensure authenticity and quality. Additionally, we advise following the manufacturer's instructions carefully during installation to ensure a proper fit and optimal performance.

Details:

Material: Cast Iron. Fast Shipping. Our product is a wet joint manifold. For MerCruiser 5.0L 305 ci, 5.7L 350ci, 6.2L 377ci, and most small block V-8 Engines.

Aftermarket Direct Fit for OE Replacement, Precision-engineered to match specs straightforward bolt-on installation no major modifications required most applications. Rugged Performance for Demanding Vehicles, Built trucks, Suva, and high-mileage cars delivers consistent strength under heavy loads harsh conditions. For Mercruiser GM 5.0 305 and 5.7 350 Engines from the Early 1980to 2002. Efficient Heat Dissipation, Natural thermal conductivity helps manage engin temperatures and protect adjacent components.

860246A10,860246A15,860246A3,860246A7,860246A9,860336A2,860246Q11,87114A19,9-40507,18-1953-2,1819532. Package included. Heavy-Duty Cast Iron Build. Color: Black.

Type: Exhaust Manifold Kit. As Picture Shown. Does not for newer dry-joint manifolds. Guaranteed Fitment, Always the correct part.

Condition: Brand New. Reliable Leak-Proof Sealing, Machined flanges with uniform bolt patterns ensure tight seals standard aftermarket gaskets sold separately. Product for: Direct for. For MCM/MIE GM V8 305, 350, 377 CID Engines 1983 - 2002.

OE/Part number.

specifications exhaussyste:

  • for models: Marine, Mercruiser
  • for years: 1983-2002
  • brand: Bfo
  • mpn: 0rnmh9
  • 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

payments exhaussyste:

  • other
  • wallet: Paypal
  • credit card: Mastercard

shipping exhaussyste:

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

returns exhaussyste:

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

general exhaussyste:

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

offer exhaussyste:

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

seller exhaussyste:

  • rating: 99.2%
  • city: Elk Grove Village, Illinois
  • # reviews: 13000
for models: marine, mercruiser, for years: 1983-2002, 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: 7746165282012751,
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