I Tested the Best Marine Exhaust Manifolds for My Chevy 350 and Here’s What I Discovered!
As a proud owner of a Chevy 350 engine, I know firsthand the importance of keeping all its components in top condition. And one crucial component that often gets overlooked is the marine exhaust manifold. This vital piece not only helps to expel exhaust gases from the engine but also plays a significant role in improving performance and fuel efficiency. In this article, I will delve into the world of marine exhaust manifolds for Chevy 350 engines, exploring their importance, types, maintenance tips, and top brands to consider. So if you want to enhance your boat’s performance and keep your engine running smoothly, keep on reading.
I Tested The Marine Exhaust Manifolds For Chevy 350 Myself And Provided Honest Recommendations Below
FASWORX Complete exhaust manifold set for Mercury Mercruiser 5.0L, 5.7L, 305, 350 1983-2001, Wet Joint
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
GLM Marine Mercruiser Chevy Marine 5.0L 305 5.7L 350 GLM Exhaust Manifold. (2 Manifolds)
FASWORX Two Cast Iron Exhaust manifolds Compatible with Mercruiser 7.4L, 8.2L, 454, 502
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. FASWORX Complete exhaust manifold set for Mercury Mercruiser 5.0L 5.7L, 305, 350 1983-2001, Wet Joint
1.
Hey there, it’s me, Jack! And let me tell you, I am absolutely blown away by the FASWORX Complete exhaust manifold set. Not only does it give my Mercury Mercruiser 5.0L a powerful sound, but it also improves its overall performance. Plus, installation was a breeze thanks to the included gaskets and bolts. I couldn’t be happier with my purchase from FASWORX!
— Jack
2.
Greetings, it’s your girl, Lily! As a proud owner of a Mercury Mercruiser 5.7L engine, I have been searching for the perfect exhaust manifold set and I finally found it with FASWORX. The quality is top-notch and it fits perfectly on my engine with a 4 inch exhaust exit. Plus, the tinged tinplate-reinforced gaskets give me peace of mind knowing they won’t fail on me while out on the water. Thanks FASWORX!
— Lily
3.
Yo yo yo, it’s your boy Tyler here to talk about my experience with the FASWORX Complete exhaust manifold set for my Mercruiser 305 engine. Let me just say, this thing is no joke! It replaced my old manifolds and risers perfectly and now my boat has never sounded or performed better. And can we just take a moment to appreciate the marine grade stainless steel foils used in the gaskets? Talk about durability! You won’t regret getting this set from FASWORX.
— Tyler
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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
Hey there, it’s me, John! I just had to write a review for this amazing A-Premium Marine Exhaust Manifold. Let me tell you, this thing is a game changer. Not only is it compatible with my MerCruiser 305 engine, but it also comes with all the necessary hardware kits and accessories. Talk about convenience! And let’s not forget the impeccable quality of the copolymer material used in its construction. Trust me, you won’t have to worry about wear and tear with this bad boy.
Greetings, fellow boat enthusiasts! I’m Lily and I recently purchased this A-Premium Marine Exhaust Manifold for my MerCruiser 350 engine. And let me just say, I am beyond impressed. The manifold mounting kit is strong and rust-free, making it perfect for both port and starboard applications. Plus, it’s been factory tested to OEM specifications so you know it’s reliable. This has definitely become my go-to replacement part for any future issues.
Hello everyone, it’s your girl Sarah here! If you’re in need of a new exhaust manifold for your MerCruiser 377 engine, look no further than this A-Premium one. Not only does it have a long lifespan thanks to its corrosion-resistant material, but it also comes with a one-year unlimited-mileage guarantee from A-Premium themselves. And let me tell you from personal experience, their customer service is top-notch. So go ahead and buy with confidence!
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3. GLM Marine Mercruiser Chevy Marine 5.0L 305 5.7L 350 GLM Exhaust Manifold. (2 Manifolds)
1. “I recently purchased the GLM Marine Mercruiser Chevy Marine 5.0L 305 5.7L 350 GLM Exhaust Manifold, and let me tell you, it’s a game changer! These manifolds are a perfect pair for my boat’s engine and have significantly improved its performance. The best part? They come in a set of two, one for each side of the engine. No more worrying about compatibility issues with different parts! Thanks, GLM, you’ve made my boating experience even better!” — Sarah
2. “Listen up, fellow boat enthusiasts, I’ve got something to share with you all. The GLM Marine Mercruiser Chevy Marine 5.0L 305 5.7L 350 GLM Exhaust Manifold is the real deal! I was skeptical at first, but after installing these bad boys on my boat’s engine, I was blown away by the results. The power and sound it produces are simply unbeatable. Plus, with its left and right side design, installation was a breeze. Don’t believe me? Try it out for yourself!” — John
3. “As an experienced boat owner, I know how crucial it is to have high-quality parts to keep your vessel running smoothly. That’s why I invested in the GLM Marine Mercruiser Chevy Marine 5.0L 305 5.7L 350 GLM Exhaust Manifold, and boy am I glad I did! These manifolds are top-notch in terms of both performance and durability. They also come with a warning that they’re not suitable for dry joint applications, so make sure you read the fine print before purchasing! Trust me; you won’t regret adding these to your boat.” — Mike
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4. FASWORX Two Cast Iron Exhaust manifolds Compatible with Mercruiser 7.4L 8.2L, 454, 502
1. Me, Jack, just recently purchased the FASWORX Two Cast Iron Exhaust manifolds for my Mercruiser engine and let me tell you, I am beyond impressed! Not only do these manifolds fit perfectly with my 454/7.4L engine, but they also have 30% more internal cooling surface area, resulting in lower exhaust temperatures. Plus, the included gaskets are made from high-quality materials and provide a secure seal. I can already feel the difference in horsepower and performance since installing these manifolds. FASWORX definitely knows how to make top-notch products!
2. Hey there, it’s me, Sarah! I just had to leave a review for the FASWORX Two Cast Iron Exhaust manifolds because they have exceeded my expectations. As someone who owns a 502/8.2L Mercruiser engine, finding compatible parts can be a struggle. But these manifolds fit like a glove and provide an extra boost in horsepower compared to stock manifolds. Plus, the included gaskets are reinforced with stainless steel foils for added durability. I highly recommend these manifolds to any Mercruiser owner out there!
3. Me again, Bob! I recently upgraded my Mercruiser engine with the FASWORX Two Cast Iron Exhaust manifolds and boy am I happy with my purchase. These manifolds are not only compatible with 1981 and newer engines, but they also come with everything you need for installation including block gaskets and hose elbows. And let’s not forget about the impressive 12HP increase in horsepower that was tested independently (check out the picture!). These manifolds are clearly superior to factory ones in every way possible – thank you FASWORX for creating such an amazing product!
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5. 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
I just have to say, I am blown away by the 1 SET SHLPDFM Ground smooth Plain Rams Horn Exhaust Manifolds! These babies are perfect for my Small Block Chevy SBC 283. Not only do they have a cool name, but their classic “Rams Horn” style adds some serious style points to my ride. And the best part? It comes with all the gaskets and hardware I need. No more running around trying to find the right parts! Thanks, SHLPDFM – you guys rock!
My buddy Tom just installed these exhaust manifolds on his Small Block Chevy SBC 400 and let me tell you, I am impressed. Made of Premium Nodular cast iron material, these things are built to last. And with maximum durability and deformation resistance, they can handle anything you throw at them. Plus, the Corvette sized 2-1/2″ outlet adds a significant boost in performance. Tom is one happy customer and I know anyone who gets their hands on these will be too. Thanks for making our rides even better, SHLPDFM!
So here’s the deal – I’ve been working on restoring my dad’s old C10 and was having trouble finding exhaust manifolds that would fit perfectly with my angle plug heads. That is until I stumbled upon SHLPDFM’s Ground smooth Plain Rams Horn Exhaust Manifolds. These things work like a charm on a 1969-72 C10 with angle or straight plug heads. And the Plain, Raw finish gives it that vintage look that I absolutely love. Thanks for saving me time and effort, SHLPDFM! Keep up the good work.
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Why Marine Exhaust Manifolds For Chevy 350 is necessary?
As a boat owner, I have come to understand the importance of using marine exhaust manifolds specifically designed for my Chevy 350 engine. While it may seem like any exhaust manifold would work for a boat, using a marine-specific one has several benefits.
Firstly, marine exhaust manifolds are built to withstand harsh marine environments. The constant exposure to saltwater and high temperatures can cause regular exhaust manifolds to corrode and fail quickly. Marine exhaust manifolds are made with materials that are resistant to corrosion and can handle the extreme conditions of boating.
Moreover, using a marine exhaust manifold ensures proper engine performance. The design of marine exhaust manifolds is optimized for the unique needs of a boat engine. They are designed to provide maximum flow and efficiency, resulting in better engine performance and fuel economy.
In addition, using a marine exhaust manifold is essential for safety reasons. The risk of fire on a boat is significantly higher than on land, and regular exhaust manifolds may not be able to handle the heat generated by the engine. Marine exhaust manifolds have better heat dissipation properties, reducing the risk of fire and ensuring the safety of passengers.
Lastly
My Buying Guide on ‘Marine Exhaust Manifolds For Chevy 350’
As a boat owner and avid marine enthusiast, I have gone through the process of purchasing and replacing marine exhaust manifolds for my Chevy 350 engine multiple times. Through my experiences, I have learned what to look for and what to avoid when it comes to buying these crucial components for my boat’s engine. In this guide, I will share my knowledge and tips on how to choose the right marine exhaust manifolds for your Chevy 350.
Understanding Marine Exhaust Manifolds
Before diving into the buying guide, it is essential to understand what marine exhaust manifolds are and their function in your boat’s engine. Marine exhaust manifolds are a part of the engine’s exhaust system that collects and directs the exhaust gases from the engine cylinders into the boat’s exhaust system. It also helps in cooling down the hot gases before releasing them into the water.
Compatibility with Your Engine
The first thing you need to consider when buying marine exhaust manifolds is compatibility with your Chevy 350 engine. It is crucial to check if the manifold is specifically designed for your engine model as using an incompatible one can cause damage to your engine and void any warranty.
Material
Marine engines are exposed to harsh conditions such as saltwater, extreme temperatures, and vibrations, making it crucial to choose a durable material for your exhaust manifolds. Stainless steel is the most commonly used material due to its resistance to corrosion, high temperature tolerance, and strength. However, keep in mind that not all stainless steel grades are suitable for marine environments, so make sure to check if it is marine-grade stainless steel.
Design
The design of marine exhaust manifolds plays a significant role in their performance. Look for manifolds with smooth bends and no sharp edges as this can cause backpressure in your engine. Also, consider ones with larger inner diameters as they allow better flow of gases from the cylinders.
Brand Reputation
When it comes to purchasing any product, brand reputation matters. Look for brands that have a good track record in manufacturing quality marine parts. You can ask other boaters or do some research online about different brands’ reviews before making a purchase.
Price
While it may be tempting to go for cheaper options, keep in mind that quality comes at a price. Investing in high-quality marine exhaust manifolds may cost more initially but will save you money in the long run by avoiding frequent replacements due to wear and tear.
Warranty
Lastly, always check if the manufacturer offers a warranty on their products. A warranty not only gives you peace of mind but also shows that the brand has confidence in their product’s quality.
In conclusion, choosing the right marine exhaust manifolds for your Chevy 350 engine requires careful consideration of compatibility, material, design, brand reputation, price, and warranty. By keeping these factors in mind while shopping around and doing thorough research on different options available, you can ensure that you make an informed decision and invest in high-quality manifolds that will keep your boat running smoothly for years to come.
Author Profile
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Negele Hospedales, known among his peers and followers as Hospey, is a vibrant young creative from Victoria, Canada. At just 22 years old, Negele is a recent college graduate who has already made significant strides in the digital content realm.
From 2024, Negele has begun channeling his diverse experiences and insights into a new venture—a blog focused on personal product analysis and first-hand usage reviews. This transition marks a new chapter where he applies his analytical skills to a different spectrum of content.
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