1. Exhaust Systems Inboard Engines Components For Sale
  2. sku: 8073479319423752
  3. BFO 9ATI5Y

BFO 9ATI5Y Exhaust Manifold Mie Gm 2X Mcm/mie 5.0L 5.7L V8

fits model: Mcm, 305, 350, Mercruiser. year: 1983–2002.

9ati5y Bfo 2x Exhaust Manifold For Mercruiser Mcm/mie Gm 5.0l 5.7l V8 305 350 1983-2002

( Brand: Bfo ), ( Manufacturer Part Number: 9ATI5Y ), ( 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 Mcm/mie Gm 5.0l 5.7l V8 fits MERCRUISER MCM 305 350 1983–2002

BFO 9ATI5Y 2X Exhaust Manifold for Mercruiser MCM/MIE Gm 5.0L 5.7L V8 305 350 (1983-2002)

Description:

The BFO 9ATI5Y 2X Exhaust Manifold is a high-quality replacement component designed specifically for the Mercruiser MCM/MIE Gm 5.0L 5.7L V8 engines found in various boat models from 1983 to 2002. This exhaust manifold is suitable for engines with displacements of 305 cubic inches and 350 cubic inches.

This exhaust manifold is meticulously engineered to provide excellent performance and durability. It is manufactured using advanced materials and manufacturing techniques to ensure a precise fit and superior engine response. The manifold's design ensures optimal exhaust flow, reducing back pressure and improving fuel efficiency.

The BFO 9ATI5Y 2X Exhaust Manifold is a direct replacement for the original equipment, making installation simple and straightforward. It comes with all necessary hardware for a straightforward installation process. The manifold's robust design ensures that it can withstand the harsh marine environment, providing reliable performance over an extended period.

Key Features:

1. Designed for Mercruiser MCM/MIE Gm 5.0L 5.7L V8 engines (305 and 350 cubic inches)

2. High-quality replacement component for optimal performance and durability

3. Precise fit for easy installation

4. Advanced manufacturing techniques ensure optimal exhaust flow

5. Robust design for harsh marine environments

6. Includes all necessary hardware for installation.

If you're looking to upgrade your boat's engine performance or simply need a reliable replacement exhaust manifold, the BFO 9ATI5Y 2X Exhaust Manifold is an excellent choice. Its advanced design, superior manufacturing quality, and direct replacement fit make it a must-have component for any boat owner with a Mercruiser MCM/MIE Gm 5.0L 5.7L V8 engine.

The BFO 9ATI5Y 2x exhaust manifold is a performance upgrade option for Mercruiser MCM/MIE V8 engines, specifically for 5.0L, 5.7L, 305, and 350 models from the years 1983 to 2002. This exhaust manifold is designed to provide better flow and increased horsepower. Here are some pros and cons to help you make an informed decision about purchasing this part.

Pros:

1. Improved performance: The BFO 9ATI5Y 2x exhaust manifold is designed to provide better flow and increased horsepower compared to the stock manifold.

2. Better fuel efficiency: With improved flow, the engine can burn fuel more efficiently, leading to potential fuel savings over time.

3. Enhanced engine sound: The exhaust manifold can produce a more pleasing engine sound, which some users may find desirable.

Cons:

1. Cost: The BFO 9ATI5Y 2x exhaust manifold is a more expensive option compared to the stock manifold.

2. Installation complexity: Installing the new manifold may require some mechanical expertise and additional time and resources.

3. Potential for increased emissions: Depending on the specific engine and tuning, the improved flow could potentially lead to increased emissions.

Ending Conclusion:

The BFO 9ATI5Y 2x exhaust manifold can be a worthwhile investment for those looking to improve the performance of their Mercruiser V8 engine. It can lead to increased horsepower, better fuel efficiency, and a more pleasing engine sound. However, it comes with a higher cost, installation complexity, and potential for increased emissions. Weighing the pros and cons and considering your specific needs and resources will help you make an informed decision about whether this upgrade is right for you.

Recommendation:

If you are an experienced do-it-yourselfer, have a well-maintained engine, and are looking for a significant performance boost, the BFO 9ATI5Y 2x exhaust manifold could be a good investment for you. If you are unsure about your mechanical abilities or have concerns about the cost and potential emissions increase, it may be worth considering other performance upgrades or seeking the advice of a professional mechanic.

Details:

Product 2x Exhaust Manifold for Mercruiser MCM/MIE GM 5.0L 5.7L V8 305 350 1983 - 2002. For MCM/MIE GM V8 305, 350, 377 CID Engines 1983 - 2002. Aftermarket Direct Fit for OE Replacement, Precision-engineered to match specs straightforward bolt-on installation no major modifications required most applications. Telephone number.

As Picture Shown. OE/Part number. Package included. For MerCruiser 5.0L 305 ci, 5.7L 350ci, 6.2L 377ci, and most small block V-8 Engines.

Material: Cast Iron. Product for: Direct for. Fast Shipping. Does not for newer dry-joint manifolds.

Condition: Brand New. Type: Exhaust Manifold Kit. Color: Black. Efficient Heat Dissipation, Natural thermal conductivity helps manage engin temperatures and protect adjacent components.

Guaranteed Fitment Always the correct part. Reliable Leak-Proof Sealing, Machined flanges with uniform bolt patterns ensure tight seals standard aftermarket gaskets sold separately. 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.

Our product is a wet joint manifold.

specifications exhaussyste:

  • for models: Mcm, 305, 350, Mercruiser
  • for years: 1983-2002
  • brand: Bfo
  • mpn: 9ati5y
  • 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:

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

offer exhaussyste:

  • best offers: True
  • options: Ship-to-home
  • sold: 0
  • started: January 24, 2026
  • availability: In Stock
  • quantity: 10

seller exhaussyste:

  • rating: 99.3%
  • # reviews: 11316
  • city: Rowland height, California

general exhaussyste:

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

shipping exhaussyste:

  • class: Standard
  • cost: $0.00
  • service: Standard
  • transit: 4-10 Days
  • type: Fixed

payments exhaussyste:

  • other
  • credit card: Diners-club
  • wallet: Apple-pay
for models: mcm, 305, 350, 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: 8073479319423752,
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