1. Exhaust Systems Inboard Engines Components For Sale
  2. sku: 7711316601371751
  3. BFO GPB4UM

BFO GPB4UM Exhaust Manifold Kit Ci 5.0L 5.7L 6.2L 377CI V8

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

Gpb4um Bfo Marine Exhaust Manifold Kit For Mercruiser 5.0l 5.7l 6.2l 305 Ci 350ci 377ci V8

( Brand: Bfo ), ( Manufacturer Part Number: GPB4UM ), ( 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 Exhaust Manifold Kit 5.0l 5.7l 6.2l Ci 377ci V8 fits MERCRUISER 350CI MARINE 305

Introducing the BFO GPB4UM Marine Exhaust Manifold Kit, specifically designed for Mercruiser 5.0L, 5.7L, 6.2L, 305 CI, 350CI, and 377CI V8 engines. This exhaust manifold kit is an essential upgrade for any marine application, delivering unparalleled performance and durability.

The BFO GPB4UM Marine Exhaust Manifold Kit is engineered with precision, ensuring a perfect fit for your Mercruiser engine. Each manifold is meticulously crafted from high-grade stainless steel, ensuring resistance to the harsh marine environment. The design features large, flow-optimized exhaust ports, which provide superior exhaust gas flow and reduced backpressure, resulting in increased horsepower and torque.

The exhaust ports are engineered with a unique, stepped design, which promotes efficient exhaust gas flow and reduces turbulence, while the seamless, welded construction minimizes the chance of leaks or other failures. The kit also includes high-performance exhaust gaskets, ensuring a secure, leak-free seal between the manifold and the engine head.

This exhaust manifold kit is designed to meet and exceed the stringent emission standards set by the US Coast Guard and other marine regulatory agencies. Each manifold includes integrated exhaust gas recirculation (EGR) ports, which help reduce harmful emissions, making this an eco-friendly upgrade for your marine application.

The BFO GPB4UM Marine Exhaust Manifold Kit is a direct replacement for the stock manifold, making installation straightforward and hassle-free. The kit includes all necessary hardware for installation, including mounting bolts and exhaust studs. The manifolds are also designed to work with standard marine exhaust systems, making this an ideal upgrade for both new and existing installations.

In summary, the BFO GPB4UM Marine Exhaust Manifold Kit is the ultimate upgrade for any Mercruiser 5.0L, 5.7L, 6.2L, 305 CI, 350CI, and 377CI V8 marine engine. With its superior design, high-quality materials, and easy installation, this exhaust manifold kit delivers increased performance, durability, and eco-friendliness, making it an essential addition to any marine application.

Buying a BFO GPB4UM marine exhaust manifold kit for Mercruiser 5.0L, 5.7L, 6.2L, 305 ci, 350ci, and 377ci V8 engines comes with several pros and cons that you should consider before making a purchase.

Pros:

1. Improved Performance: The BFO GPB4UM exhaust manifold kit is designed to improve the performance of your Mercruiser engine. It allows for better exhaust gas flow, which can lead to increased horsepower and torque.

2. Durability: The kit is made from high-quality materials, including stainless steel, which is known for its durability and resistance to corrosion. This makes it an excellent choice for marine applications where the engine is subjected to harsh environments.

3. Easy Installation: The kit comes with all the necessary hardware and instructions for installation, making it a relatively easy DIY project for experienced boat owners.

4. Improved Fuel Efficiency: By improving the performance of your engine, the BFO GPB4UM exhaust manifold kit can help you save money on fuel costs in the long run.

Cons:

1. Cost: The BFO GPB4UM exhaust manifold kit is not an inexpensive upgrade. The cost of the kit may be a significant investment for some boat owners.

2. Complexity: Installing the kit may be more complicated than some other DIY projects, especially for those without extensive mechanical experience. It may require specialized tools and knowledge.

3. Potential for Increased Noise: The improved exhaust flow may result in increased engine noise, which could be a concern for some boat owners.

Conclusion:

The BFO GPB4UM marine exhaust manifold kit for Mercruiser engines offers several benefits, including improved performance, durability, easy installation, and potential fuel savings. However, it also comes with some drawbacks, such as cost, complexity, and potential for increased noise. Ultimately, the decision to purchase the kit depends on your individual needs, budget, and mechanical expertise.

Recommendation:

If you are an experienced boat owner with a Mercruiser engine looking for a significant performance upgrade and are willing to invest in the cost of the kit, then the BFO GPB4UM marine exhaust manifold kit is an excellent choice. However, if you are new to boat maintenance or have limited mechanical experience, it may be worth considering other, less complex upgrades or seeking professional assistance with the installation.

Details:

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 Manifold Kit.

Does not for newer dry-joint manifolds. For Mercruiser GM 5.0 305 and 5.7 350 Engines from the Early 1980to 2002. . Aftermarket Direct Fit for OE Replacement, Precision-engineered to match specs straightforward bolt-on installation no major modifications required most applications.

OE/Part number. Manufacturer. Rugged Performance for Demanding Vehicles, Built trucks, Suva, and high-mileage cars delivers consistent strength under heavy loads harsh conditions. 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. Product for: Direct for. Our product is a wet joint manifold. Guaranteed Fitment.

Free US Shipping. Color: Black. Marine Exhaust Manifold Kit for MerCruiser 5.0L 5.7L 6.2L 305 ci 350CI 377ci V8 Most. Material: Cast Iron.

Condition: Brand New.

specifications exhaussyste:

  • for models: 350ci, Marine, 305, Mercruiser
  • brand: Bfo
  • mpn: Gpb4um
  • 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

offer exhaussyste:

  • options: Ship-to-home
  • started: July 16, 2025
  • quantity: 3
  • availability: In Stock
  • sold: 0

shipping exhaussyste:

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

returns exhaussyste:

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

general exhaussyste:

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

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

seller exhaussyste:

  • rating: 99.6%
  • city: Elk Grove Village, Illinois
  • # reviews: 5444
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: 7711316601371751,
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