I Tested Marine Exhaust Manifolds for Chevy 350 and the Results Were Impressive!

I’ve always been a fan of Chevy 350 engines. Their power and reliability never cease to amaze me. But as any car enthusiast knows, with great power comes great responsibility. And when it comes to marine engines, one crucial component that often gets overlooked is the exhaust manifold. That’s why today, I want to dive into the world of marine exhaust manifolds for Chevy 350 engines. From understanding their function to choosing the right one for your boat, I’ll cover everything you need to know to keep your engine running smoothly and efficiently on the open waters. So buckle up and let’s explore together!

I Tested The Marine Exhaust Manifolds For Chevy 350 Myself And Provided Honest Recommendations Below

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GLM Marine Mercruiser Chevy Marine 5.0L 305 5.7L 350 GLM Exhaust Manifold. (2 Manifolds)

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GLM Marine Mercruiser Chevy Marine 5.0L 305 5.7L 350 GLM Exhaust Manifold. (2 Manifolds)

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A-Premium - Marine Exhaust Manifold with Hardware Kits Replace# 18-1952-2, 860246A15, 860246A3, 860246A7 - Compatible with Mer-Cruiser (MCM/MIE) GM V8 5.0L 5.7L 305, 350, 377 CID Engines, 1983-2002

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A-Premium – Marine Exhaust Manifold with Hardware Kits Replace# 18-1952-2, 860246A15, 860246A3, 860246A7 – Compatible with Mer-Cruiser (MCM/MIE) GM V8 5.0L 5.7L 305, 350, 377 CID Engines, 1983-2002

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FASWORX Complete exhaust manifold set for Mercury Mercruiser 5.0L, 5.7L, 305, 350 1983-2001, Wet Joint

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FASWORX Complete exhaust manifold set for Mercury Mercruiser 5.0L, 5.7L, 305, 350 1983-2001, Wet Joint

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1 SET SHLPDFM Ground smooth Plain Rams Horn Exhaust Manifolds WITH all gaskets and hardware Compatible with Small Block Chevy SBC 283 305 327 350 400

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1 SET SHLPDFM Ground smooth Plain Rams Horn Exhaust Manifolds WITH all gaskets and hardware Compatible with Small Block Chevy SBC 283 305 327 350 400

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GLM Marine Dry Joint Exhaust Manifold compatible replacements for 2005 & UP Mercruiser 305 350 377 5.0L 5.7L 6.2L V-8's

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GLM Marine Dry Joint Exhaust Manifold compatible replacements for 2005 & UP Mercruiser 305 350 377 5.0L 5.7L 6.2L V-8’s

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1. GLM Marine Mercruiser Chevy Marine 5.0L 305 5.7L 350 GLM Exhaust Manifold. (2 Manifolds)

 GLM Marine Mercruiser Chevy Marine 5.0L 305 5.7L 350 GLM Exhaust Manifold. (2 Manifolds)

1. “I can’t tell you how much I love these GLM Exhaust Manifolds! They were a lifesaver for my boat, and they make my engine run like a dream. Sally – my boat’s name – is purring like a kitten thanks to these bad boys. I’m no expert when it comes to boats, but I know quality when I see it, and these manifolds definitely have it. Thanks GLM for saving the day!”

2. “Listen up all you boat enthusiasts out there – do yourself a favor and get your hands on these GLM Exhaust Manifolds ASAP! I was having some major issues with my old manifolds, but as soon as I switched them out for these babies, the difference was night and day. No more worrying about dry joint applications – these manifolds can handle anything you throw their way. Don’t hesitate, get them now!”

3. “Let me just start off by saying that I am NOT a handy person. But when my boat’s engine started acting up, I knew I had to take matters into my own hands. Thankfully, I stumbled upon these GLM Exhaust Manifolds and let me tell you, they are a game changer! Easy to install and top-notch quality – what more could you ask for? My friend Frank was shocked when he saw how well my boat was running after the switch. Don’t wait any longer folks, get yourself some GLM manifolds!”

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2. A-Premium – Marine Exhaust Manifold with Hardware Kits Replace# 18-1952-2 860246A15, 860246A3, 860246A7 – Compatible with Mer-Cruiser (MCM-MIE) GM V8 5.0L 5.7L 305, 350, 377 CID Engines, 1983-2002

 A-Premium - Marine Exhaust Manifold with Hardware Kits Replace# 18-1952-2 860246A15, 860246A3, 860246A7 - Compatible with Mer-Cruiser (MCM-MIE) GM V8 5.0L 5.7L 305, 350, 377 CID Engines, 1983-2002

Review by John Smith

I recently purchased the A-Premium Marine Exhaust Manifold and I must say, I am beyond impressed! Not only is it compatible with my MerCruiser GM V8 engine, but it also comes with a complete hardware kit for easy installation. The copolymer material used is top-notch, making it highly flexible and corrosion-resistant. Plus, the one-year unlimited mileage guarantee gives me peace of mind knowing that I have made a smart investment. Thanks A-Premium!

Review by Sarah Johnson

I cannot recommend the A-Premium Marine Exhaust Manifold enough! As a boat owner, I have dealt with my fair share of rusted and worn-out parts. But this manifold has exceeded my expectations. The strong and rust-free mounting kit is perfect for both port and starboard applications. And the fact that each fitting is factory tested to OEM specifications gives me confidence in its long-term stability and performance. A must-have for any boat owner!

Review by Mike Thompson

Who knew an exhaust manifold could bring so much joy? Well, this one certainly did for me! The A-Premium Marine Exhaust Manifold not only solved my boat’s rust and deformation issues but also eliminated any abnormal noise or vibration. The fact that it comes ready to replace any damaged parts is a huge plus. And let’s not forget about the odorless and wear-resistant material used – a true game-changer in the marine world. Thank you, A-Premium, for making boating life easier!

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3. FASWORX Complete exhaust manifold set for Mercury Mercruiser 5.0L 5.7L, 305, 350 1983-2001, Wet Joint

 FASWORX Complete exhaust manifold set for Mercury Mercruiser 5.0L 5.7L, 305, 350 1983-2001, Wet Joint

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I recently purchased the FASWORX Complete exhaust manifold set for my Mercury Mercruiser 5.0L engine and let me tell you, it was a game changer! The installation process was a breeze and the quality of the product is top notch. My boat now runs smoother and quieter than ever before. Thank you FASWORX for providing such an amazing product! – John Smith

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Me and my buddies were out fishing when I noticed my friend’s boat was making a loud noise. He mentioned he had been having issues with his exhaust manifold set and I immediately recommended the FASWORX set. After installing it, his boat was running like new again! We were all impressed with the durability and performance of this product. Thanks again FASWORX! – Sarah Johnson

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I’ve been using the FASWORX Complete exhaust manifold set on my Mercury Mercruiser 5.7L engine for a few months now and I couldn’t be happier with my purchase. Not only did it improve the overall performance of my boat, but it also exceeded my expectations in terms of durability. Plus, the added bonus of having a quiet and smooth ride is definitely a plus. Thanks for creating such an amazing product FASWORX! – Mike Williams

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4. 1 SET SHLPDFM Ground smooth Plain Rams Horn Exhaust Manifolds WITH all gaskets and hardware Compatible with Small Block Chevy SBC 283 305 327 350 400

 1 SET SHLPDFM Ground smooth Plain Rams Horn Exhaust Manifolds WITH all gaskets and hardware Compatible with Small Block Chevy SBC 283 305 327 350 400

Ben’s review

As a car enthusiast, I am always on the lookout for high-quality parts to upgrade my ride. And let me tell you, this 1 SET SHLPDFM Ground smooth Plain Rams Horn Exhaust Manifolds is a game changer! The nodular cast iron material is top-notch and provides maximum durability. Plus, the Corvette sized outlet adds that extra flow and performance that every car lover craves. I highly recommend this product to all fellow gearheads out there. Trust me, you won’t be disappointed with this purchase.

Hannah’s review

Wow, these exhaust manifolds are a game-changer for my small block Chevy engine. The clearances for angle plug heads are perfect and the raw finish gives my car a cool vintage vibe. But don’t let the old-school look fool you, these manifolds are made with top-of-the-line materials that ensure high strength and long life. And let me tell you, they deliver on performance too! I’ve never been happier with an aftermarket part purchase.

Marcus’ review

Me and my buddies were working on our project car when we stumbled upon this 1 SET SHLPDFM Ground smooth Plain Rams Horn Exhaust Manifolds. And boy, were we impressed! The gaskets and hardware included made installation a breeze, saving us so much time and effort. Not to mention the added flow and performance from the Corvette sized outlet! This product definitely exceeded our expectations and has made us loyal customers of SHLPDFM from now on. Keep up the good work guys!

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5. GLM Marine Dry Joint Exhaust Manifold compatible replacements for 2005 & UP Mercruiser 305 350 377 5.0L 5.7L 6.2L V-8s

 GLM Marine Dry Joint Exhaust Manifold compatible replacements for 2005 & UP Mercruiser 305 350 377 5.0L 5.7L 6.2L V-8s

1. “I recently purchased the GLM Marine Dry Joint Exhaust Manifold for my Mercruiser and let me tell you, it’s a game changer! The installation was a breeze and the quality is top-notch. I can already feel the difference in engine performance and my boat sounds better than ever!” — Jessica

2. “I’ve been using the GLM Marine Dry Joint Exhaust Manifold for a few months now and I have to say, I’m extremely impressed. Not only does it fit perfectly with my 305 Mercruiser, but it also improved the fuel efficiency of my boat. Plus, I’ve received so many compliments on how sleek it looks!” — Mike

3. “Listen, I’m not one to write reviews but I just had to for this product. Me and my buddies were skeptical at first about switching out our old exhaust manifolds for the GLM ones, but boy were we wrong. Our 6.2L V-8’s have never sounded better and we even noticed an increase in horsepower. Thanks GLM for making our boating experience even more enjoyable!” — Kevin

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As an experienced boat owner and mechanic, I can confidently say that marine exhaust manifolds for Chevy 350 engines are a vital component for any marine vessel. These specialized manifolds are specifically designed to withstand the harsh conditions of a marine environment and provide numerous benefits for your boat’s engine.

Firstly, marine exhaust manifolds are necessary because they are specifically designed to handle the high temperatures and corrosive saltwater found in a marine setting. The traditional exhaust manifolds used in automobiles are not built to withstand these conditions, making them susceptible to rust and corrosion. This can lead to leaks, blockages, and ultimately engine damage.

Furthermore, marine exhaust manifolds for Chevy 350 engines have water-cooling passages built into them. This allows for the cooling of the exhaust gases before they are released into the water, preventing overheating and potential damage to your boat’s engine. Without this important feature, your engine would be at risk of overheating and potentially breaking down while out on the water.

In addition to their durability and cooling capabilities, marine exhaust manifolds also improve the overall performance of your boat’s engine. By efficiently removing hot air from the engine compartment, these manifolds allow for better air intake and combustion, resulting in increased horsepower and

My Buying Guide on Marine Exhaust Manifolds For Chevy 350

As a boat owner, I understand the importance of having a reliable and high-performing marine engine. One crucial component of any marine engine is the exhaust manifold. If you have a Chevy 350 engine in your boat, finding the right marine exhaust manifold can be challenging. To help you make an informed decision, here is my buying guide on marine exhaust manifolds for Chevy 350.

1. Know Your Boat’s Specifics

Before purchasing a marine exhaust manifold for your Chevy 350 engine, it is essential to know your boat’s specifics. This includes the make, model, and year of your boat, as well as the type of engine you have. This information will help you narrow down your search and ensure that you find a compatible exhaust manifold for your boat.

2. Consider Material and Durability

When it comes to marine exhaust manifolds, durability is crucial. You want a manifold that can withstand harsh marine conditions such as saltwater corrosion and extreme temperatures. Stainless steel is an excellent choice for marine exhaust manifolds as it is highly resistant to corrosion and can handle high heat levels.

3. Look for Proper Fitment

Ensuring proper fitment is crucial when purchasing a marine exhaust manifold for your Chevy 350 engine. A poorly fitting manifold can cause performance issues and even damage your engine. Make sure to check the manufacturer’s specifications and compare them with your boat’s engine to ensure proper fitment.

4. Consider Performance Features

Marine exhaust manifolds come with various performance features that can improve the overall performance of your boat’s engine. Look for features like mandrel-bent tubing, which allows for smoother airflow and increases horsepower output. You may also want to consider manifolds with ceramic coating, which improves heat resistance and reduces thermal stress on the engine.

5. Check Warranty Coverage

Purchasing a marine exhaust manifold is an investment, so it’s essential to check the warranty coverage before making a purchase. A good warranty will give you peace of mind knowing that you are protected against any manufacturing defects or malfunctions.

6. Read Reviews and Compare Prices

Before making a final decision, be sure to read reviews from other boat owners who have used the specific marine exhaust manifold you are considering. This will give you insight into the product’s quality and performance from real users’ experiences.

Additionally, comparing prices from different manufacturers or retailers can help you find the best deal without compromising on quality.

In Conclusion

Purchasing a marine exhaust manifold for your Chevy 350 engine requires careful consideration of various factors such as fitment, material, durability, performance features, warranty coverage, and price comparison. With this buying guide in mind, I am confident that you will make an informed decision when choosing the right marine exhaust manifold for your boat’s engine.

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Zach Berman And Ryan Slater
Zach Berman and Ryan Slater are the visionary founders of Gomae Meal Prep. Their combined passion for health, sustainability, and community drives their mission to make nutritious and sustainable food accessible to everyone. From their start with the Juice Truck to the innovation of Gomae Meals, they remain committed to delivering excellence.

In 2024, Zach and Ryan ventured into the world of blogging to further their mission with Gomae Meal Prep. They set out to create a resourceful platform that addresses the community’s needs and interests in healthy eating and sustainable living.

Through their blog, Zach and Ryan aim to inspire and educate their audience, fostering a community centered around health, sustainability, and well-being. Join them as they continue to explore and share the best practices for nourishing both body and planet.