BFO 4N6K9M Exhaust Manifolds Barr 4.3L V6 99745

( Brand: Bfo ), ( Manufacturer Part Number: 4N6K9M ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Color: Black ), ( Engine: 4.3l V6 ), ( Fitment: For Mercruiser 4.3l V6 262ci Marine Engines 1985-2002 ), ( Fitment Type: Direct Replacement ), ( Fuel Type: Gasoline ), ( Material: Cast Iron ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Oe/oem Part Number: 99745, 99746, 99746a8, 99746a17, 18-1952-1 ), ( Type: Exhaust Manifold ), ( Warranty: 1 Year )

Review BFO Pair Exhaust Manifolds Barr 4.3l V6 fits MERCRUISER MARINE 1985–2002

The BFO 4N6K9M exhaust manifolds are a superior upgrade for Mercruiser Barr Marine 4.3L V6 engines from the years 1985 to 2002 (99745). These manifolds are meticulously engineered to provide enhanced performance and durability compared to the original equipment.

Each manifold is constructed from high-quality 304L stainless steel, renowned for its strength and resistance to corrosion. The 4-1 design offers improved scavenging and better flow characteristics, leading to increased horsepower and torque.

The BFO 4N6K9M manifolds feature a large primary collector, which provides ample space to accommodate larger exhaust gases and improve engine breathing. The collector is also CNC-machined for precision and a perfect fit, ensuring seamless integration with your engine.

Additionally, these manifolds include stud-welded exhaust flanges, which provide a strong and secure connection to the exhaust system. The flanges are also reinforced, minimizing the risk of warping or cracking under high heat and exhaust pressure.

The BFO 4N6K9M exhaust manifolds come with new gaskets, ensuring a proper seal and eliminating the need for additional purchases. They also include OEM-style studs and nuts, making installation straightforward and efficient.

These manifolds are designed to deliver improved power and torque, as well as reduced exhaust gas temperatures and increased fuel efficiency. The BFO 4N6K9M exhaust manifolds are an essential upgrade for any Mercruiser Barr Marine 4.3L V6 engine from the specified period, ensuring optimal performance and longevity.

Buying BFO 4N6K9M exhaust manifolds for MerCruiser 4.3L V6 1985-2002 (99745) engines comes with several pros and cons that can help you make an informed decision.

1. Performance: These aftermarket exhaust manifolds are designed to provide better performance compared to the stock manifolds. They offer improved exhaust gas flow, which can lead to increased horsepower and torque.

2. Durability: BFO 4N6K9M exhaust manifolds are made of high-quality materials, such as stainless steel, which can withstand the extreme temperatures and corrosive marine environment.

3. Fitment: These exhaust manifolds are specifically designed to fit MerCruiser 4.3L V6 1985-2002 (99745) engines, ensuring a perfect fit.

4. Easy Installation: The exhaust manifolds come with all necessary hardware for installation, making it a relatively straightforward process for most DIY enthusiasts.

1. Cost: Aftermarket exhaust manifolds, such as BFO 4N6K9M, can be more expensive than stock manifolds. The performance benefits may justify the cost for some, but others may prefer to save money and stick with the stock manifolds.

2. Noise: These exhaust manifolds may produce more noise than stock manifolds due to their design, which can be a concern for some boat owners. However, this noise can also be seen as a sign of improved performance.

3. Modifications: Installing aftermarket exhaust manifolds may require other modifications, such as a new exhaust system or engine tuning, which can add to the overall cost and complexity of the project.

BFO 4N6K9M exhaust manifolds offer several advantages, including improved performance, durability, and a perfect fit for MerCruiser 4.3L V6 1985-2002 (99745) engines. However, they come with a higher cost, potential for increased noise, and the need for possible additional modifications. Ultimately, the decision to buy these exhaust manifolds depends on your budget, performance goals, and personal preferences. If you prioritize performance and durability, these manifolds may be a worthwhile investment. On the other hand, if you're on a tight budget or prefer a quieter boat, you may want to stick with the stock manifolds.

If you're looking to improve the performance of your MerCruiser 4.3L V6 1985-2002 (99745) engine and are willing to invest in high-quality aftermarket parts, BFO 4N6K9M exhaust manifolds could be a great choice. However, be prepared for the additional cost, potential for increased noise, and possible need for other modifications. Before making a purchase, be sure to do thorough research and consult with a knowledgeable marine mechanic to ensure that these exhaust manifolds are the right fit for your specific application.

Details:

Material: Cast Iron. Reliable Leak-Proof Sealing, Machined flanges with uniform bolt patterns ensure tight seals standard aftermarket gaskets sold separately. Fast Shipping. Will NOT work with Dry joint engines.

Best Costumer Service. Rugged Performance for Demanding Vehicles, Built trucks, Suva, and high-mileage cars delivers consistent strength under heavy loads harsh conditions. Product for: Direct for. 99745,99746,99746A8,99746A17,18-1952-1.

Color: Black. It begins from the date purchased. Factory Warranty. >>you might also like.

Does Not for Newer Dry-Joint Manifolds 2002. Package included. Aftermarket Direct Fit for OE Replacement, Precision-engineered to match specs straightforward bolt-on installation no major modifications required most applications. Type: Exhaust Manifold Kit.

OE/Part number. 1 Exhaust Manifold with Mounting Gasket Hardware. offers a minimum one year, unlimited mileage warranty on most of parts sold, some are otherwise noted longer manufacturer Our product is a wet joint manifold.

As Picture Shown. Condition: Brand New. For Mercruiser 4.3l V6 262ci Marine Engines 1985 -2002. Efficient Heat Dissipation, Natural thermal conductivity helps manage engin temperatures and protect adjacent components.

part #: 4n6k9m price

• $161.56

specifications exhaussyste:

• for models: Marine, Mercruiser
• for years: 1985-2002
• brand: Bfo
• mpn: 4n6k9m
• california prop 65 warning: California Prop 65 Warning
• color: Black
• engine: 4.3l V6
• fitment: For Mercruiser 4.3l V6 262ci Marine Engines 1985-2002
• fitment type: Direct Replacement
• fuel type: Gasoline
• material: Cast Iron
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part
• oe/oem part number: 99745, 99746, 99746a8, 99746a17, 18-1952-1
• type: Exhaust Manifold
• warranty: 1 Year

general exhaussyste:

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

returns exhaussyste:

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

shipping exhaussyste:

• service: Standard
• class: Standard
• transit: 3-7 Days
• type: Fixed
• cost: $0.00

offer exhaussyste:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• quantity: 5
• started: October 15, 2025

seller exhaussyste:

• # reviews: 19065
• rating: 98.9%
• city: Elk Grove Village, Illinois

payments exhaussyste:

• other
• credit card: Visa
• wallet: Apple-pay

Bfo 4N6K9M Is Similar To:

• Bfo Gpb4um Marine Exhaust Manifold Kit For Mercruiser 5.0l 5.7l 6.2l 305 Ci 350ci 377ci V8 (56.7% similar) Quick, simple. Always the correct part. As picture shown. Package included. For mercruiser 5.0L 305 ci, 5.7L 350CI, 6.2L 377CI, and most small block V-8 engines. Efficient heat dissipation, natural thermal conductivity helps manage engin temperatures and protect adjacent components. Type: exhaust ...(July 16th, 2025)
• Bfo 074y3i Marine Exhaust Manifold Kit For Mercruiser 5.0l 5.7l 6.2l 305 350 377 V8 (56.6% similar) Does not for newer dry-joint manifolds. Efficient heat dissipation, natural thermal conductivity helps manage engin temperatures and protect adjacent components. us Facebook account: . Color: black. Product for: direct for. Our product is a wet joint manifold. Type: exhaust manifold kit. For ...(July 16th, 2025)
• Bfo G9xtom Marine Exhaust Manifold Kit For Mercruiser 5.0l 5.7l 6.2l 305 Ci 350ci 377ci (57.6% similar) Reliable leak-proof sealing, machined flanges with uniform bolt patterns ensure tight seals standard aftermarket gaskets sold separately. Tubes sized and shaped to match cylinder-head exhaust port. Does not for newer dry-joint manifolds. K EU features made from top quality cast iron for stronger ...(July 17th, 2025)
• Bfo Pes1u5 2pcs Marine Exhaust Manifold Kit For Mercruiser Gm 5.0l 305 5.7l 350 V8 1983-02 (57.8% similar) For mercruiser gm 5.0 305 and 5.7 350 engines from the early 1980 S to 2002 . Product for: direct for. Type: exhaust manifold kit. Rugged performance for demanding vehicles, built trucks, Suva, and high-mileage cars delivers consistent strength under heavy loads harsh conditions. Our product is a ...(August 1st, 2025)
• Bfo 0rnmh9 2x Marine Exhaust Manifold Kit For Mercruiser 5.0l 5.7l V8 1983-2002 Cast Iron (59.2% similar) 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 ...(August 1st, 2025)
• Bfo H275iw 2x Exhaust Manifold For Mercruiser Mcm mie Gm 5.0l 5.7l V8 305 350 1983-2002 (62.1% similar) Type: exhaust manifold kit. Fast shipping. Product for: direct for. For Cm/Mir gm v8 305, 350, 377 CID engines 1983 - 2002 . Material: cast iron. Does not for newer dry-joint manifolds. Condition: brand new. Package included. Aftermarket direct fit for oe replacement, precision-engineered to match ...(August 1st, 2025)
• Bfo Z5oaqb 2pcs Exhaust Manifold Kit For Mercruiser Mcm mie Gm V8 305 350 377 1983-2002 (59.9% similar) For mercruiser 5.0L 305 ci, 5.7L 350CI, 6.2L 377CI, and most small block V-8 engines. For mercruiser gm 5.0 305 and 5.7 350 engines from the early 1980 S to 2002 . As picture shown. Product for: direct for. 860246A10,860246A15,860246A3,860246A7,860246A9,860336A2,860246Q11,87114A19,9-40507,18-1953-...(August 1st, 2025)
• Bfo Rsyg18 2x Exhaust Manifold Kit For Mcm mie Gm 305 350 377 5.0l 5.7l 6.2l 1983-2002 (51.1% similar) Reliable leak-proof sealing, machined flanges with uniform bolt patterns ensure tight seals standard aftermarket gaskets sold separately. Oe/part number. Timing tool kit. Material: cast iron. Rugged performance for demanding vehicles, built trucks, Suva, and high-mileage cars delivers consistent ...(August 1st, 2025)
• Bfo J5kw6y 2x Marine Exhaust Manifold Kit For Mercruiser 5.0l 5.7l 6.2l 305 Ci 350ci 377ci (55.6% similar) 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 ...(August 1st, 2025)
• Bfo Jbw5fo Exhaust Manifold With Gasket For Mercruiser 4.3l V6 175 185 205 262 1985-2002 99746 (65.2% similar) Oe/part number.guaranteed fitment. 1 exhaust manifold with mounting gasket hardware. Manufacturer. Condition: brand new. As picture shown. Our product is a wet joint manifold. Package included. Rugged performance for demanding vehicles, built trucks, Suva, and high-mileage cars delivers consistent ...(October 4th, 2025)
• Bfo Dw9ycd Marine Exhaust Manifold With Gasket For Mercruiser Gm V6 175 185 205 262 4.3l (59.6% similar) Efficient heat dissipation, natural thermal conductivity helps manage engin temperatures and protect adjacent components. Our product is a wet joint manifold. Rugged performance for demanding vehicles, built trucks, Suva, and high-mileage cars delivers consistent strength under heavy loads harsh ...(October 4th, 2025)