Best Exhaust Flange & Exhaust Donut Gaskets of 2026

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 10, 2026

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Exhaust flange and exhaust donut gaskets are essential components of a vehicle's exhaust system. The exhaust flange is a flat metal ring that connects the exhaust pipe to the exhaust manifold, while the exhaust donut gasket is a round-shaped gasket that fits between the exhaust pipe and the muffler. These gaskets are designed to prevent leaks and maintain proper pressure within the exhaust system. Over time, they can become worn or damaged, resulting in increased noise and decreased performance. Replacement of these gaskets is a simple and cost-effective solution to ensure that the exhaust system is functioning properly.

At a Glance: Our Top Picks

Strongthium 2.5" Exhaust Gasket Cover #TOP 1
Strongthium 2.5" Exhaust Gasket
ftb score rating icon 9.8
Strongthium 3" Exhaust Gasket 2 Bolt Cover #TOP 2
Strongthium 3" Exhaust Gasket 2 Bolt
ftb score rating icon 9.7
Carleef Exhaust Flange Gasket Kit Cover #TOP 3
Carleef Exhaust Flange Gasket Kit
ftb score rating icon 9.5

Top 10 Exhaust Flange & Exhaust Donut Gaskets

#TOP 1

Strongthium 2.5" Exhaust Gasket

120-06310-0002
silvery
Strongthium 2.5" Exhaust Gasket Cover
Strongthium 2.5“ Exhaust Gasket 2 Bolt for 2.5 Inch Muffler Flange Manifold 120-06310-0002 High Temperature 2X

The Strongthium Exhaust Gasket is designed for use with 2.5" flange ID exhaust pipes and 2.5" 2-Bolt Flanges. With a bolt hole size of 97mm/3.8" center to center, 78mm/3" inner bolt to inner bolt, and 115mm/4.5" outer bolt to outer bolt, this gasket is compatible with bolt hardware smaller than 12mm or 1/2". The gasket is constructed with a 5-layer galvanized sheet and graphite, providing a total thickness of 2mm/.078". Its heavy-duty design makes it suitable for high-temperature silencer applications. Each gasket comes in 2 pieces in a nylon bag, ensuring convenience and easy installation.

What We Like
Compatible with 2.5" flange ID exhaust pipes
Heavy-duty construction for high-temperature applications
Comes in 2 pieces for convenience
#TOP 2

Strongthium 3" Exhaust Gasket 2 Bolt

120-07610-0002
silvery
Strongthium 3" Exhaust Gasket 2 Bolt Cover
Strongthium 3“ Exhaust Gasket 2 Bolt for 3 Inch Muffler Flange Manifold 120-07610-0002 High Temperature 2X

The Strongthium 3" Exhaust Gasket 2 Bolt is designed for 3" flange ID exhaust pipes with 2-Bolt Flanges. It offers a convenient solution for connecting your exhaust pipe securely. With bolt hole sizes of 105mm/4.13" center to center, 90mm/3.55" inner bolt to inner bolt, and 121mm/4.76" outer bolt to outer bolt, this gasket ensures a proper fit. Made of 5-layer galvanized sheet with graphite construction and a total thickness of 2mm/.078", it provides durability and reliability even in high temperature silencer applications. The gasket comes in a set of 2 pieces in a nylon bag, making it easy to store and transport.

What We Like
Secure and reliable connection
Durable construction for high temperature applications
Convenient set of 2 pieces
#TOP 3

Carleef Exhaust Flange Gasket Kit

Exhaust Flange Repair Kit
2.5 inch
4.43*4.26*0.10 inch
Carleef Exhaust Flange Gasket Kit Cover
2PCS Exhaust Flange Gasket with 6PCS Exhaust Bolts and 6PCS Nut Kit,Graphite Composite Exhaust Gasket for Exhaust Flange Repair,Universal Car Accessories for Car SUV Truck (2.5 inch)

The Carleef Exhaust Gasket Kit offers exceptional durability and heat resistance thanks to its graphite material, which ensures a reliable seal under high temperatures. This complete repair kit includes all necessary components—two gaskets, six bolts, and six nuts—saving you the hassle of separate purchases. Its universal compatibility means it fits a variety of vehicles, making it a convenient choice for both DIY enthusiasts and mechanics. Plus, the easy installation process requires minimal tools, allowing you to quickly get your vehicle back on the road with efficient repairs.

What We Like
Durable graphite material
Complete repair kit included
Universal vehicle compatibility
Simple installation process
#TOP 4

SCUARI Exhaust Flange Gasket Kit #120-06310-0002

2214PQDP001
2inch
SCUARI Exhaust Flange Gasket Kit #120-06310-0002 Cover
SCUARI 2PCS Exhaust Gasket,Car Accessories Exhaust Flange Gasket,Muffler Gasket,Catalytic Converter Gasket,Exhaust Flange Repair Kit with Bolt & Nut,Fit for Car,Truck,Replace #120-06310-0002 (2inch)

The SCUARI Exhaust Gasket Kit is made from durable metal that can handle high heat and pressure, ensuring it lasts a long time without wearing out. This helps you avoid leaks where the exhaust connects to the engine. The gasket comes with bolts and nuts included, so you don’t need extra tools—just align and tighten to install easily. It seals tightly to prevent gas leaks, which also helps reduce engine noise and protects your engine’s cylinder head from damage. If you want a reliable and simple solution for your exhaust or muffler repairs, this kit is a great choice.

What We Like
Durable metal construction
Includes bolts and nuts
Prevents exhaust leaks
Reduces engine noise
Easy installation
#TOP 5

IHOTDER 2.25" Exhaust Manifold Gasket with Bolts

Car Exhaust Manifold Gasket
2.25 inch
5.07x3.46x0.07 inch
IHOTDER 2.25" Exhaust Manifold Gasket with Bolts Cover
2PCS 2.25" Car Exhaust Manifold Gasket with 4 Exhaust Bolts,Exhaust Gasket Keeps The Pipe Joints Stable,Universal Car Parts Car Accessories Fits Most Cars,SUVs,Trucks (2.25 inch)

The IHOTDER Exhaust Gasket Kit is designed to fit most cars, SUVs, and trucks with a 2.25-inch diameter. Made from durable plated iron and graphite composite, this gasket can handle high heat, pressure, and wear, so you don’t have to worry about it failing under tough conditions. It seals the connection between your exhaust pipe and engine perfectly, preventing gas leaks and reducing noise, which helps your engine run more efficiently. Plus, this gasket helps improve your vehicle’s power by keeping the exhaust system stable and tight. Installation is simple with the included bolts, so you can get your car back on the road quickly.

What We Like
High temperature resistance
Excellent sealing performance
Improves engine efficiency
Enhances power system stability
Easy installation with bolts
#TOP 6

UBOG 2.25 Inch Exhaust Gasket

1940PQCGDQ001
2.25inch
UBOG 2.25 Inch Exhaust Gasket Cover
UBOG Exhaust Gasket,Car Accessories Exhaust Flange Gasket,2 Inch 2.25 Inch 2.5 Inch 3 Inch Exhaust Manifold Gasket,Car Exhaust Donut Gasket Seal Ring Replacement,Suitable for Cars Trucks (2.25inch)

The UBOG Exhaust Gasket is crafted from high-quality materials, ensuring excellent thermal insulation and resistance to high temperatures. This means you can rely on it to keep your exhaust system cool and functioning efficiently. Its impressive sealing capabilities prevent exhaust leaks, which not only minimizes noise and vibration but also enhances your overall driving experience. Additionally, the compact design makes installation a breeze, allowing you to easily place it between the manifold and the pipe. With its wide compatibility, this gasket fits most vehicles, providing a practical solution for your exhaust needs.

What We Like
High-quality materials
Excellent sealing performance
Easy installation
Compatible with most vehicles
#TOP 7

YGQ 2.5 Inch 3-Bolt Exhaust Gasket

YGQ
2.5"
Silvery
2.5 in
YGQ 2.5 Inch 3-Bolt Exhaust Gasket Cover
YGQ 2.5 Inch Exhaust Gasket 3-Bolt 63.5mm Flange High Temperature Graphite w/Fire Ring Replacement 2 Pcs

The YGQ 2.5" Exhaust Gasket is designed to fit exhaust systems with a 2.5-inch inner diameter and 3-bolt flanges, making it easy for you to find the right match for your setup. It features precise bolt spacing measurements, so you can expect a perfect alignment without hassle. The gasket is made from a strong combination of galvanized steel and a graphite core, providing excellent durability and resistance to high temperatures. This makes it ideal for use in tough automotive or industrial exhaust systems where heat and pressure are high, ensuring your exhaust stays sealed and leak-free.

What We Like
Precise fit for 2.5" systems
Accurate bolt spacing
Durable 5-layer steel construction
High heat resistance
#TOP 8

KIFIDAN 2.5" Exhaust Flange Gasket Kit

Exhaust Flange Gasket
2.5in
5.6*3.4*0.08 inch
KIFIDAN 2.5" Exhaust Flange Gasket Kit Cover
2PCS Exhaust Flange Gasket + 4PCS Exhaust Bolts,2.5" 2-Bolt Catalytic Converter Gasket Replaces OEM#120-06310-0002,Car Accessories Exhaust Flange Repair Kit for Cars,Trucks (2.5in)

Enhance your car's performance with the KIFIDAN Gasket Kit. Made of high-temperature resistant material, this kit ensures a seamless connection between the intake manifold and the engine, reducing gas leaks and engine noise. The excellent sealing properties improve efficiency and extend the engine's life. With easy installation and a perfect fit for most cars, this kit includes bolts for immediate installation. Upgrade your car's power system effortlessly with the KIFIDAN Gasket Kit.

What We Like
High Temperature Resistance
Excellent Sealing Performance
Enhanced Performance
#TOP 9

3" High Temp Exhaust Gasket (Qty 2)

120-07630-0002
3" High Temp Exhaust Gasket (Qty 2) Cover
3" 3 Bolt MLSG High Temp Exhaust Gasket w/SS Fire Ring (Qty 2)

These 3" 3 Bolt MLSG High Temp Exhaust Gaskets with SS Fire Ring come in a set of 2 and have a bolt to bolt measurement of 3.5" or 89mm. They are designed to be used as exhaust flange and exhaust donut gaskets. The high-quality materials ensure durability and long-lasting performance, making them a reliable choice for your exhaust system.

What We Like
Durable and long-lasting
Comes in a set of 2
High-quality materials
#TOP 10

Strongthium 3" 2-Bolt Exhaust Gasket Set

120-07610-0002
silvery
Strongthium 3" 2-Bolt Exhaust Gasket Set Cover
Strongthium 2 Pcs 3" Exhaust Gasket 2 Bolt for 3 Inch Muffler Flange Manifold 120-07610-0002

The Strongthium 3" Exhaust Gasket is designed for 3-inch exhaust pipes with 2-bolt flanges, making it a perfect fit for your vehicle's exhaust system. Its precise bolt hole spacing ensures an easy and secure installation, so you won’t have to worry about alignment issues. Made from a durable 5-layer galvanized sheet with graphite, this gasket offers strong resistance to heat and corrosion, helping to maintain a tight seal in your exhaust connections. With a thickness of 2mm, it provides reliable durability and performance. Whether you’re working on mufflers, turbochargers, or manifolds, this gasket helps you achieve a secure and leak-free fit.

What We Like
Precise bolt hole spacing
Durable 5-layer construction
Heat and corrosion resistant
Fits 3" 2-bolt flanges
Reliable 2mm thickness
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Are exhaust flange gaskets necessary?

Yes, exhaust flange gaskets are necessary, especially on vehicles where the catalytic converter is part of the exhaust manifold. These gaskets ensure a tight seal and prevent outside air from entering the exhaust system before reaching the catalytic converter. This is important for the proper functioning of the exhaust system and to comply with emission regulations.

2. Can you drive with a broken exhaust flange?

Driving with a broken exhaust flange is not recommended. It is both unsafe and illegal. A broken exhaust flange can cause several issues, such as loss of engine power, excessive noise, and potential damage to other components. It is important to address any issues with the exhaust system promptly to ensure the safety and performance of your vehicle.

Editor's Notes

During our exhaust flange & exhaust donut gasket research, we found 24 exhaust flange & exhaust donut gasket products and shortlisted 10 quality products. We collected and analyzed 7,950 customer reviews through our big data system to write the exhaust flange & exhaust donut gaskets list. We found that most customers choose exhaust flange & exhaust donut gaskets with an average price of $7.72.

The exhaust flange & exhaust donut gaskets are available for purchase. We have researched hundreds of brands and picked the top brands of exhaust flange & exhaust donut gaskets, including Strongthium, carleef, SCUARI, IHOTDER, UBOG. The seller of top 1 product has received honest feedback from 582 consumers with an average rating of 4.9.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.