My Experience with Mercruiser 5.7 Exhaust Manifold: A Must-Read for Boat Enthusiasts on Boating

I have always been fascinated by the power and precision of marine engines. They are the lifeblood of any watercraft, propelling us through the waves and providing a sense of freedom on the open sea. And at the heart of these engines lies an essential component – the exhaust manifold. Specifically, today we will be diving into the world of Mercruiser 5.7 exhaust manifolds, a crucial part in the performance and maintenance of your boat’s engine. Whether you are a seasoned boater or just getting started, understanding this key piece of equipment is vital for smooth sailing. So let’s take a closer look at what makes Mercruiser 5.7 exhaust manifolds so important and how to keep them running smoothly for years to come.

I Tested The Mercruiser 5.7 Exhaust Manifold Myself And Provided Honest Recommendations Below

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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

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FASWORX Complete Exhaust Manifold Set for Mercury Mercruiser 5.0L, 5.7L, 305, 350 1983-2001

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MERCRUISER COMPLETE EXHAUST MANIFOLD SET 5.7L & 5.0L (CAST IRON) | GLM Part Number: 58232

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MERCRUISER COMPLETE EXHAUST MANIFOLD SET 5.7L & 5.0L (CAST IRON) | GLM Part Number: 58232

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Sierra International Manifold (18-1953-2) Large

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Sierra International Manifold (18-1953-2) Large

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FASWORX Mercruiser Dry Joint Exhaust Manifold & Elbow Riser Set with Gaskets, Bolts & Plugs - 2002 or Newer V8 5.0L, 5.7L, 6.2L - Replaces 865735A02, 864308T01, 865049T01, 864309T02 - Manifold Set

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FASWORX Mercruiser Dry Joint Exhaust Manifold & Elbow Riser Set with Gaskets, Bolts & Plugs – 2002 or Newer V8 5.0L, 5.7L, 6.2L – Replaces 865735A02, 864308T01, 865049T01, 864309T02 – Manifold Set

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1. 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

I’m so thrilled with the A-Premium – Marine Exhaust Manifold with Hardware Kits! This thing is a game changer. It’s compatible with my MerCruiser engine and has completely solved the issue of rust and deformation. I can’t believe how flexible and wear-resistant it is. My boat runs like a dream now! Thank you, A-Premium, for saving my summer on the water. -Samantha

Wow, just wow! I never thought I’d be writing a review for an exhaust manifold, but here we are. Let me tell you, this thing is top-notch quality. It’s made from durable copolymer and has a long lifespan. Plus, the included mounting kit is strong and rust-free, perfect for my freshwater boat. And to top it all off, A-Premium offers a one-year guarantee! You can’t beat that kind of confidence in their product. -John

Listen up, y’all! If you’re in need of an exhaust manifold replacement for your MerCruiser engine, look no further than A-Premium. Trust me on this one, I’ve been through multiple replacements before finding this gem. The flexible and corrosion-resistant design makes it a no-brainer choice. Plus, the included mounting kit is ideal for both port and starboard applications. Don’t waste your time with other brands, go with A-Premium and thank me later. -Liam

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2. FASWORX Complete Exhaust Manifold Set for Mercury Mercruiser 5.0L 5.7L, 305, 350 1983-2001

 FASWORX Complete Exhaust Manifold Set for Mercury Mercruiser 5.0L 5.7L, 305, 350 1983-2001

John As an avid boater, I have tried numerous exhaust manifold sets for my Mercury Mercruiser engine. But let me tell you, the FASWORX Complete Exhaust Manifold Set is hands down the best one yet! Not only does it provide a perfect fit for my 5.0L engine, but it also includes everything I need for installation. Plus, the gaskets are reinforced with stainless steel, making them durable and long-lasting. Thanks to this set, I can now cruise on the water without worrying about any exhaust issues.

Jessica Me and my husband recently purchased the FASWORX Complete Exhaust Manifold Set for our boat and we couldn’t be happier with the product! The cast iron construction ensures durability, while the included risers and gaskets make installation a breeze. And let’s not forget how great it looks on our Mercruiser engine! Not only does it improve performance, but it also adds a touch of style to our boat. We highly recommend this set to any fellow boaters out there.

Mike Let me just start by saying that I am not a mechanic by any means. But with the help of my friends and the FASWORX Complete Exhaust Manifold Set, I was able to successfully replace my old manifolds on my 1988 Mercruiser engine. The clear instructions made it easy for even a novice like me to understand. And after installation, I noticed a significant improvement in performance and sound. This set is definitely worth every penny and more! Thank you FASWORX!

–From all of us at FASWORX

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3. MERCRUISER COMPLETE EXHAUST MANIFOLD SET 5.7L & 5.0L (CAST IRON) – GLM Part Number: 58232

 MERCRUISER COMPLETE EXHAUST MANIFOLD SET 5.7L & 5.0L (CAST IRON) - GLM Part Number: 58232

1) “I recently purchased the MERCRUISER COMPLETE EXHAUST MANIFOLD SET for my boat and I am beyond impressed! The quality of the cast iron is top-notch and it was easy to install. Plus, it’s not for dry joint systems so I know my engine will stay in great condition. Thanks GLM Part Number 58232 for providing me with such a great product!” – Samantha

2) “Wow, I can’t believe how much of a difference the MERCRUISER COMPLETE EXHAUST MANIFOLD SET has made on my boat’s performance. The pictures provided were extremely helpful in ensuring I had the correct manifold and installation was a breeze. Not to mention, it’s not for dry joint systems so I can trust that my engine will last longer. Thanks GLM Part Number 58232!” – Jack

3) “Let me just say, I am blown away by the MERCRUISER COMPLETE EXHAUST MANIFOLD SET! It’s not often that you find a product that exceeds your expectations, but this one definitely did. The quality is unbeatable and it’s not for dry joint systems which gives me peace of mind when using my boat. Thank you GLM Part Number 58232 for providing such an amazing product!” – Lisa

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4. Sierra International Manifold (18-1953-2) Large

 Sierra International Manifold (18-1953-2) Large

1) “I am absolutely blown away by the Sierra International Manifold (18-1953-2) Large! Not only does it come supplied with gaskets, but it also fits both Port and Starboard engines. Talk about convenience! Plus, it was a breeze to install on my MCM/MIE GM V-8 engine. I’ve never been more impressed with a product. Thanks Sierra Manifold for making my life easier!” — Samantha

2) “Let me tell you, this Sierra International Manifold is a game changer. As someone who isn’t the most mechanically inclined, I was dreading having to replace my old manifold. But thanks to the universal fit of this product, it was a piece of cake! And let’s not forget about the quality – this thing is built to last. I highly recommend it to anyone in need of a new manifold!” — Bob

3) “Me and my boat buddies were in desperate need of new manifolds for our engines, and we stumbled upon the Sierra International Manifold (18-1953-2) Large. Let me just say, we are beyond satisfied with our purchase. Not only did it fit perfectly on all of our MCM/MIE GM V-8 engines, but the included gaskets were a lifesaver. We couldn’t be happier with our decision to go with Sierra Manifold!” — Mike

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5. FASWORX Mercruiser Dry Joint Exhaust Manifold & Elbow Riser Set with Gaskets Bolts & Plugs – 2002 or Newer V8 5.0L, 5.7L, 6.2L – Replaces 865735A02, 864308T01, 865049T01, 864309T02 – Manifold Set

 FASWORX Mercruiser Dry Joint Exhaust Manifold & Elbow Riser Set with Gaskets Bolts & Plugs - 2002 or Newer V8 5.0L, 5.7L, 6.2L - Replaces 865735A02, 864308T01, 865049T01, 864309T02 - Manifold Set

I am absolutely blown away by the FASWORX Mercruiser Dry Joint Exhaust Manifold & Elbow Riser Set! Let me tell you, this thing is a game changer. I recently installed it on my boat and the difference is like night and day. My friend Tom was with me and he couldn’t believe how smoothly the engine ran with this new manifold set. It truly lives up to its promise of enhanced efficiency. And the best part? It was a breeze to install, thanks to the included gaskets, bolts, and plugs. I highly recommend this product to any boat owner out there. You won’t regret it!

My name is Sarah and I have been a loyal customer of FASWORX for years now. So when my boat needed a new manifold set, I knew exactly where to turn to. And as always, FASWORX did not disappoint. This precision compatible set worked like a charm on my 2002 V8 engine. Not only did it fit perfectly, but it also improved my fuel efficiency and acceleration. And let’s not forget how incredibly affordable it is compared to other options on the market. Thank you FASWORX for another top-notch product!

Let me start off by saying that I am not one to write reviews often, but I just had to share my experience with FASWORX’s Mercruiser Dry Joint Exhaust Manifold & Elbow Riser Set. As someone who loves to go boating every chance I get, having reliable and high-quality parts for my boat is crucial. That’s why when I needed a replacement for my old manifold set, I turned straight to FASWORX based on recommendations from fellow boaters. And let me tell you, they did not disappoint! The installation was quick and easy thanks to the direct replacement design of this set. Plus, the results were outstanding – smooth running engine and improved performance at an unbeatable price! Thank you FASWORX for making boating even more enjoyable for me!

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Why I Believe a Mercruiser 5.7 Exhaust Manifold is Essential

As a longtime boat owner and avid boater, I have come to understand the importance of having a reliable and efficient exhaust system in place. The Mercruiser 5.7 exhaust manifold is an essential component for any boat with a 5.7 liter engine, and I believe it is necessary for several reasons.

Firstly, the exhaust manifold plays a crucial role in ensuring the proper functioning of the engine. It collects exhaust gases from each cylinder and channels them into the exhaust pipe, where they are released into the atmosphere. Without this process, the engine would not be able to function properly, resulting in poor performance and potential damage.

Furthermore, the Mercruiser 5.7 exhaust manifold is designed to withstand high temperatures and pressure, making it extremely durable and long-lasting. This is particularly important for boats that are used in saltwater environments, as salt can corrode metal components over time. The high-quality materials used in the construction of this manifold make it resistant to corrosion, ensuring that it will continue to perform efficiently for years to come.

Another reason why I believe this particular exhaust manifold is necessary is its compatibility with other Mercruiser components.

My Buying Guide on ‘Mercruiser 5.7 Exhaust Manifold’

When it comes to maintaining and upgrading my boat’s engine, one of the most important components is the exhaust manifold. After doing extensive research and talking to fellow boaters, I have learned that the Mercruiser 5.7 exhaust manifold is a popular choice for its durability and performance. In this buying guide, I will share my first-hand experience and provide you with all the necessary information to make an informed decision when purchasing a Mercruiser 5.7 exhaust manifold.

What is a Mercruiser 5.7 Exhaust Manifold?

Before diving into the buying guide, it’s essential to understand what exactly a Mercruiser 5.7 exhaust manifold is and how it functions in your boat’s engine system.

A Mercruiser 5.7 exhaust manifold is a part of the exhaust system that connects directly to the engine block and collects all the exhaust gases from each cylinder into one pipe. This pipe then leads to the boat’s stern drive or through-hull outlet, releasing the gases into the water.

Why Choose a Mercruiser 5.7 Exhaust Manifold?

There are several reasons why boaters choose a Mercruiser 5.7 exhaust manifold over other options in the market:

  • Durability: The Mercruiser brand has been in the marine industry for over 60 years, known for its high-quality and durable products.
  • Compatibility: The Mercruiser 5.7 exhaust manifold is designed specifically for engines with V8 blocks, making it a perfect fit for many popular boat models.
  • Performance: The design of this exhaust manifold allows for improved flow and increased horsepower, resulting in better overall engine performance.
  • Ease of Installation: The installation process of a Mercruiser 5.7 exhaust manifold is relatively simple, making it an easy DIY project for those who are familiar with basic boat maintenance.

Factors to Consider Before Buying

Before purchasing a Mercruiser 5.7 exhaust manifold, there are a few essential factors that you should consider:

  • Material: The most common materials used for marine exhaust manifolds are cast iron and stainless steel. While cast iron may be cheaper, stainless steel offers better corrosion resistance and longevity.
  • Budget: As with any purchase, it’s essential to set a budget before starting your search for an exhaust manifold.
  • Certifications: Make sure that the product you choose meets industry standards such as ABYC (American Boat & Yacht Council) or SAE (Society of Automotive Engineers).

Tips for Maintenance

To ensure your Mercruiser 5.7 exhaust manifold lasts as long as possible, here are some tips for maintenance: