Best Mercury Exhaust Kits

Looking for the best Mercury exhaust kits? We’ve put together a list of 10 top options to boost your boat’s performance and extend engine life.

Mercury exhaust kits are essential for keeping your boat running smoothly. They improve performance and extend engine life. Choosing the right kit can make a big difference.

We’ve tested and reviewed the best Mercury exhaust kits to help you decide. Whether you’re a DIY enthusiast or a pro, this guide has you covered.

List of Top 10 Mercury Exhaust Kits

Title	Best For	Price
FASWORX Exhaust Manifold & Riser Kit for MerCruiser 5.0L (305), 5.7L (355), 6.2L (377) V8 Engines (Years 1983 – Early 2002) \| Wet Joint 4” Center-Rise Elbow \| Replaces 860246A15, 807988A03, 18-1953-2	This FASWORX Exhaust Manifold & Riser Kit is perfect for boat owners with MerCruiser V8 engines from 1983 to early 2002. It’s ideal for those needing a reliable, leak-free exhaust system to keep their engine running smoothly.	View on Amazon (paid link)
A-Premium Marine Exhaust Manifold with Hardware Kits Replace# 18-1952-1 – Compatible with Mer-Cruiser 4.3L V6 262(cu. in) 1985-2002 & GM V6 229 262(cu. in) & 175, 185, 205 HP Models, Not for Dry joint	This A-Premium Marine Exhaust Manifold is perfect for boat owners with MerCruiser 4.3L V6 engines from 1985-2002 or GM V6 models. It’s ideal for freshwater use and fixes rust, wear, or noise issues, giving long-lasting performance.	View on Amazon (paid link)
FASWORX Exhaust Manifold & Riser Kit for MerCruiser 7.4L (454) 8.2L (502) Big Block V8 (1981-2002), Wet Joint 4” Center-Rise Elbow, Replaces 807078T08, 807988A03	This kit is perfect for boat owners with MerCruiser Big Block V8 engines who want direct-fit replacements and leak-free performance. It’s made for anyone who values quality, reliability, and easy installation.	View on Amazon (paid link)
Quicksilver 8M0095485 Stern Drive Transom Seal Repair Kit for MerCruiser Bravo and Blackhawk Stern Drives with Exhaust Bellows	This Quicksilver 8M0095485 Stern Drive Transom Seal Repair Kit is perfect for boat owners with MerCruiser Bravo or Blackhawk Stern Drives. It’s ideal for those needing to replace worn-out hoses, seals, or gaskets to keep their boat running smoothly.	View on Amazon (paid link)
Quicksilver 860235A03 Exhaust Manifold Kit for Select MerCruiser 3.0L L and LX Sterndrive Engines	This kit is perfect for boat owners who want a ready-to-install solution for their MerCruiser 3.0L engines. It’s ideal for anyone who values durability, corrosion protection, and having all parts included in one package.	View on Amazon (paid link)
Quicksilver 8M0124227 Bell Housing Exhaust Bellows with Stainless Steel Clamps for MerCruiser Sterndrive Boats	This Quicksilver Bell Housing Exhaust Bellows is perfect for boat owners who want a reliable and easy-to-install solution for their MerCruiser sterndrive. It’s ideal for those looking to maximize performance with durable, high-quality parts.	View on Amazon (paid link)
BRExhaust Replacement Exhaust System Kit 106-0191: Compatible with 2006-2012 Ford Fusion, 2006-2011 Mercury Milan 2.3L/2.5L	This kit is perfect for Ford Fusion or Mercury Milan owners who want a durable, easy-to-install exhaust system. It’s ideal for anyone who values long-lasting performance and a smooth DIY upgrade without hassle.	View on Amazon (paid link)
Northeastern Exhaust – Y-Pipe Muffler Resonator Tailpipe Exhaust System kit fits 2007-2008 Mercury Mariner 3.0L	This kit is perfect for Mercury Mariner owners who want a strong, rust-free exhaust upgrade that looks sharp and installs with ease. It’s ideal for drivers who value quality, style, and performance without the hassle of welding.	View on Amazon (paid link)
UanofCn 14358T Exhaust Bellow Water Shutter Flapper Kit 4 Inches for MerCruiser Stern Drives V6 V8 Engine 807166A1 44348T Tube Boot	This UanofCn 14358T Exhaust Bellow Water Shutter Flapper Kit is perfect for boat owners with MerCruiser Stern Drives V6 or V8 engines. It’s ideal for those needing a durable, high-quality replacement for worn-out parts.	View on Amazon (paid link)
Quicksilver 865735A02 Exhaust Manifold	This exhaust manifold is perfect for boat owners who want reliable performance and a direct fit for their MerCruiser engines. It’s ideal for anyone who values OEM quality and wants a part that’s ready to install with the included gasket.	View on Amazon (paid link)

Detailed Reviews

Discover the Best Mercury Exhaust Kits chosen with expert care and real customer feedback. Each kit is reviewed for performance, durability, and value so you can buy with confidence. Simple, clear details will guide you to the perfect choice for your engine.

1. FASWORX Exhaust Manifold & Riser Kit for MerCruiser 5.0L (305), 5.7L (355), 6.2L (377) V8 Engines (Years 1983 – Early 2002) | Wet Joint 4” Center-Rise Elbow | Replaces 860246A15, 807988A03, 18-1953-2

FASWORX Exhaust Manifold & Riser Kit for MerCruiser 5.0L (305), 5.7L (355), 6.2L (377) V8 Engines (Years 1983 - Early 2002) | Wet Joint 4” Center-Rise Elbow | Replaces 860246A15, 807988A03, 18-1953-2

The FASWORX Exhaust Manifold & Riser Kit is made for MerCruiser engines from 1983 to early 2002. It fits 5.0L, 5.7L, and 6.2L V8 models. This kit works with wet joint exhaust systems.

It replaces many OEM and aftermarket parts. Every piece is tested for leaks and sealed perfectly. Stainless steel gaskets protect your engine from heat.

Pros	Cons
Direct OEM replacement for trusted compatibility Fits 1983–2002 MerCruiser V8 engines perfectly Leak-tested for maximum durability and safety Premium gaskets resist heat and protect your engine Machined flat surfaces ensure a flawless seal every time	Not for newer engines post-2002. Specific fit—check compatibility before buying. No installation tools included.

Perfect For:

This FASWORX Exhaust Manifold & Riser Kit is perfect for boat owners with MerCruiser V8 engines from 1983 to early 2002. It’s ideal for those needing a reliable, leak-free exhaust system to keep their engine running smoothly.

Ready to Purchase?

View Price on Amazon (paid link)

2. A-Premium Marine Exhaust Manifold with Hardware Kits Replace# 18-1952-1 – Compatible with Mer-Cruiser 4.3L V6 262(cu. in) 1985-2002 & GM V6 229 262(cu. in) & 175, 185, 205 HP Models, Not for Dry joint

A-Premium Marine Exhaust Manifold with Hardware Kits Replace# 18-1952-1 - Compatible with Mer-Cruiser 4.3L V6 262(cu. in) 1985-2002 & GM V6 229 262(cu. in) & 175, 185, 205 HP Models, Not for Dry joint

The A-Premium Marine Exhaust Manifold is a reliable replacement for MerCruiser engines. It fits 4.3L V6 262 cu. in. models from 1985-2002, GM V6 engines, and 175, 185, 205 HP models.

Made of quality copolymer, it’s flexible, corrosion-resistant, and long-lasting. Each part is tested for stability and comes with a 12-month guarantee.

Pros	Cons
Fits MerCruiser 4.3L V6 engines from 1985-2002. Durable copolymer material resists rust and wear for long life. Strong, rust-free hardware kit ensures stable performance. 12-month quality guarantee for peace of mind.	Not for Dry Joint engines, limiting compatibility. Noisy or Vibrating parts may need early replacement. Specific Fit, check model before buying.

Perfect For:

This A-Premium Marine Exhaust Manifold is perfect for boat owners with MerCruiser 4.3L V6 engines from 1985-2002 or GM V6 models. It’s ideal for freshwater use and fixes rust, wear, or noise issues, giving long-lasting performance.

Ready to Purchase?

View Price on Amazon (paid link)

3. FASWORX Exhaust Manifold & Riser Kit for MerCruiser 7.4L (454) 8.2L (502) Big Block V8 (1981-2002), Wet Joint 4” Center-Rise Elbow, Replaces 807078T08, 807988A03

FASWORX Exhaust Manifold & Riser Kit for MerCruiser 7.4L (454) 8.2L (502) Big Block V8 (1981-2002), Wet Joint 4” Center-Rise Elbow, Replaces 807078T08, 807988A03

The FASWORX Exhaust Manifold & Riser Kit is built for MerCruiser Big Block V8 engines (7.4L & 8.2L, 1981–2002). It’s a direct replacement for multiple OEM and aftermarket part numbers, making installation simple and reliable.

This kit fits wet joint systems with a 4-inch outlet. It gives leak protection. It keeps your engine safe. It lasts longer with premium gaskets.

Pros	Cons
Directly replaces multiple OEM and aftermarket parts, saving time and money. Engineered for MerCruiser Big Block V8 engines (1981-2002). Rigorous leak testing ensures a perfect seal and ultimate protection. Premium stainless steel gaskets provide superior heat resistance.	Heavy weight may make handling harder Not universal fit for all MerCruiser models Premium price compared to budget alternatives

Perfect For:

This kit is perfect for boat owners with MerCruiser Big Block V8 engines who want direct-fit replacements and leak-free performance. It’s made for anyone who values quality, reliability, and easy installation.

Ready to Purchase?

View Price on Amazon (paid link)

4. Quicksilver 8M0095485 Stern Drive Transom Seal Repair Kit for MerCruiser Bravo and Blackhawk Stern Drives with Exhaust Bellows

Keep your MerCruiser Bravo or Blackhawk stern drive running strong. This kit replaces worn hoses, seals, gaskets, bellows, fittings, and clamps. It seals the transom opening to keep water out and performance in.

Made for select MerCruiser sterndrives. Always check your owner’s manual for fit and instructions.

Easy to install. Built to last. Designed for smooth boating every time.

Pros	Cons
Complete kit with hoses, seals, and gaskets Fits select MerCruiser Bravo and Blackhawk stern drives Seals transom opening to stop leaks fast Includes fittings and hose clamps for easy install Backed by manual for clear replacement instructions	Not universal — fits only select MerCruiser drives Manual check needed — must confirm with owner’s guide DIY challenge — may require pro installation for beginners

Perfect For:

This Quicksilver 8M0095485 Stern Drive Transom Seal Repair Kit is perfect for boat owners with MerCruiser Bravo or Blackhawk Stern Drives. It’s ideal for those needing to replace worn-out hoses, seals, or gaskets to keep their boat running smoothly.

Ready to Purchase?

View Price on Amazon (paid link)

5. Quicksilver 860235A03 Exhaust Manifold Kit for Select MerCruiser 3.0L L and LX Sterndrive Engines

The Quicksilver 860235A03 Exhaust Manifold Kit is a complete replacement for select MerCruiser engines. It includes all essential parts like gaskets, fuel lines, and fittings. This kit is designed for 3.0L L and LX sterndrive engines.

The cast iron manifold is coated for extra protection against corrosion. It ensures long-lasting performance in harsh marine environments.

Pros	Cons
Complete kit with all needed parts included Fits select MerCruiser engines with perfect match Strong cast iron for long-lasting durability Corrosion protection keeps manifold safe and clean Easy install with gaskets and fittings ready	Not universal: Only fits specific MerCruiser engines, limiting use. Heavy material: Cast iron makes it bulky and harder to handle. Complex install: Requires careful assembly with many small parts.

Perfect For:

This kit is perfect for boat owners who want a ready-to-install solution for their MerCruiser 3.0L engines. It’s ideal for anyone who values durability, corrosion protection, and having all parts included in one package.

Ready to Purchase?

View Price on Amazon (paid link)

6. Quicksilver 8M0124227 Bell Housing Exhaust Bellows with Stainless Steel Clamps for MerCruiser Sterndrive Boats

The Quicksilver 8M0124227 Bell Housing Exhaust Bellows is a durable and flexible solution for MerCruiser sterndrive boats. It’s designed to maximize performance and last long.

Easy to install with common tools, it includes stainless steel clamps for a secure fit. Meets Mercury Marine OEM specs for reliable use.

Pros	Cons
Strong, flexible design for lasting use Stainless steel clamps keep it secure Quick install with simple tools OEM quality ensures top performance Built tough for MerCruiser sterndrives	Not universal: Fits only select MerCruiser models, check compatibility first. Requires tools: Basic tools needed for installation, not tool-free. No instructions: No guide included, prior knowledge or research required.

Perfect For:

This Quicksilver Bell Housing Exhaust Bellows is perfect for boat owners who want a reliable and easy-to-install solution for their MerCruiser sterndrive. It’s ideal for those looking to maximize performance with durable, high-quality parts.

Ready to Purchase?

View Price on Amazon (paid link)

7. BRExhaust Replacement Exhaust System Kit 106-0191: Compatible with 2006-2012 Ford Fusion, 2006-2011 Mercury Milan 2.3L/2.5L

The BRExhaust Replacement Exhaust System Kit 106-0191 is a complete, mandrel-bent solution for your Ford Fusion or Mercury Milan. It replaces all parts from behind the last catalytic converter, offering high corrosion resistance and durability.

This bolt-on, multi-piece design ensures smooth DIY installation, keeps emissions equipment intact, and includes all necessary components in one protective box. It comes with a two-year, unlimited mileage warranty.

Pros	Cons
Strong build for long-lasting use Easy bolt-on install, no hassle Comes with all parts and hardware included Keeps emissions compliant and worry-free Backed by two-year warranty confidence	Not for older or newer models, limits compatibility. No performance upgrades, just a basic replacement. Warranty is short, only two years of coverage.

Perfect For:

This kit is perfect for Ford Fusion or Mercury Milan owners who want a durable, easy-to-install exhaust system. It’s ideal for anyone who values long-lasting performance and a smooth DIY upgrade without hassle.

Ready to Purchase?

View Price on Amazon (paid link)

8. Northeastern Exhaust – Y-Pipe Muffler Resonator Tailpipe Exhaust System kit fits 2007-2008 Mercury Mariner 3.0L

Upgrade your 2007-2008 Mercury Mariner 3.0L with the Northeastern Exhaust Y-Pipe Muffler Resonator Tailpipe Exhaust System kit. This easy-to-install kit comes with free gaskets and clamps, so no welding is needed.

Enjoy excellent quality, rust-free performance, and a sleek polished finish. The lightweight aluminum design boosts handling and looks great.

Pros	Cons
No welding needed, quick install. Rust-proof aluminum for lasting strength. Lightweight build improves handling. Stylish polished finish upgrades look.	Not OEM: May not match factory specs exactly Limited fit: Only works for 2007–2008 Mercury Mariner 3.0L Professional install: DIY may be tricky without tools

Perfect For:

This kit is perfect for Mercury Mariner owners who want a strong, rust-free exhaust upgrade that looks sharp and installs with ease. It’s ideal for drivers who value quality, style, and performance without the hassle of welding.

Ready to Purchase?

View Price on Amazon (paid link)

9. UanofCn 14358T Exhaust Bellow Water Shutter Flapper Kit 4 Inches for MerCruiser Stern Drives V6 V8 Engine 807166A1 44348T Tube Boot

The UanofCn 14358T Exhaust Bellow Water Shutter Flapper Kit is a high-quality replacement for your boat’s engine. It fits Mercruiser Stern Drives with V6 and V8 engines, ensuring a perfect match for specific models. Made from premium CR rubber and stainless steel clamps, it’s built to last.

This kit includes 8 SS316 clamps, 2 water shutters, 2 upper boots, and 2 lower boots. All parts meet OEM specifications, so you get reliable performance.

It’s compatible with 2002-2010 models and Mercruiser Wet Joint systems. Note: It won’t work on V6 engines with one-piece manifolds or early V8 models with round pins. Check your engine type before buying.

Pros	Cons
Meets OEM specs with 8 SS316 clamps for reliable performance. Premium CR rubber ensures durability and longevity. Compatible with multiple Mercruiser models for easy installation. Includes all parts needed for complete exhaust repair.	Not compatible with one-piece V6 manifolds Won’t fit early V8 round-pin flapper models

Perfect For:

This UanofCn 14358T Exhaust Bellow Water Shutter Flapper Kit is perfect for boat owners with MerCruiser Stern Drives V6 or V8 engines. It’s ideal for those needing a durable, high-quality replacement for worn-out parts.

Ready to Purchase?

View Price on Amazon (paid link)

10. Quicksilver 865735A02 Exhaust Manifold

The Quicksilver 865735A02 Exhaust Manifold is built for select MerCruiser sterndrive and inboard engines with dry join exhaust systems. It fits on either the port or starboard side of the engine.

This manifold comes with a gasket included. It is made by Mercury Marine. It meets strict OEM standards for top performance.

Pros	Cons
Fits MerCruiser engines with dry joint exhaust systems. Works on port or starboard side for easy installation. Includes gasket for a complete, hassle-free replacement. Mercury Marine quality ensures top performance and durability.	Not universal: Fits only specific engines, check compatibility first. No installation tools: Requires extra parts for setup, not included. Side-specific: Must choose port or starboard, no dual-use option.

Perfect For:

This exhaust manifold is perfect for boat owners who want reliable performance and a direct fit for their MerCruiser engines. It’s ideal for anyone who values OEM quality and wants a part that’s ready to install with the included gasket.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Mercury exhaust kits keep your boat running smoothly. They improve performance and extend engine life. Choosing the right one makes a big difference.

Buying a Mercury exhaust kit can feel overwhelming, but we’re here to help. We’ve tested and reviewed the best options to make your choice easier. Whether you’re a DIY enthusiast or a pro, this guide has you covered.

Here’s what to consider when buying:

Engine Compatibility:
Make sure the kit fits your Mercury engine model and year. Check for specific compatibility to avoid issues.
Material Quality:
Look for durable materials like stainless steel or quality copolymer. They resist corrosion and last longer.
Type of Exhaust System:
Know if your boat uses a wet joint or dry joint system. Choose a kit designed for your setup.
Included Parts:
Ensure the kit includes all necessary components like gaskets, clamps, and fittings. This saves time and money.
Ease of Installation:
Pick a kit that’s easy to install, especially if you’re doing it yourself. Clear instructions are a plus.
Warranty:
A good warranty offers peace of mind. Look for kits with at least a 12-month guarantee.
Performance Needs:
Consider your boat’s performance requirements. Some kits focus on leak protection, while others enhance engine efficiency.
Brand Reputation:
Stick with trusted brands like Quicksilver or FASWORX. They’re known for reliability and quality.

With these factors in mind, you’ll find the perfect Mercury exhaust kit for your boat. Happy boating!