Best Car Exhaust Flanges of 2025

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 6, 2025

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Car exhaust flanges are an essential component of any vehicle's exhaust system. They are responsible for connecting the exhaust pipe to the manifold, allowing the exhaust gases to be safely and efficiently expelled from the engine. Exhaust flanges are available in various materials such as steel, aluminum, and stainless steel, and come in different shapes and sizes to fit specific makes and models of vehicles. They are durable, corrosion-resistant, and designed to withstand high temperatures and pressure. When installing or repairing an exhaust system, it's crucial to use high-quality exhaust flanges to ensure a secure and leak-free connection.

At a Glance: Our Top Picks

Aokdom 2.25 Inch Exhaust Flange Kit Cover #TOP 1
Aokdom 2.25 Inch Exhaust Flange Kit
ftb score rating icon 9.9
Dorman 03133 Exhaust Stud Kit Cover #TOP 2
Dorman 03133 Exhaust Stud Kit
ftb score rating icon 9.8
FGJQEFG Exhaust Flange Repair Kit Cover #TOP 3
FGJQEFG Exhaust Flange Repair Kit
ftb score rating icon 9.6

Top 10 Car Exhaust Flanges

#TOP 1

Aokdom 2.25 Inch Exhaust Flange Kit

Exhaust Flange Repair Kit
2.25"
4.92x3.27x0.32 inch
Aokdom 2.25 Inch Exhaust Flange Kit Cover
2-Bolt 2.25 Inch Exhaust Flange Repair Kit,Stainless Steel Exhaust System Kit with Exhaust Gasket & Exhaust Bolts,Exhaust Pipe Flange Gasket for Automotive Replacement Exhaust Flanges (2.25")

The Aokdom Exhaust Flange Kit is crafted from high-quality stainless steel, ensuring durability against heat, pressure, and wear. This means you can rely on it for consistent performance without worrying about degradation. The kit features exceptional sealing capabilities, which are crucial for maintaining your engine's efficiency and reducing noise. By connecting the exhaust pipe interface more effectively, it helps prevent temperature fluctuations that can lead to component movement. Installation is straightforward, allowing you to easily place the gasket and align it with the screw holes, saving you both time and money on repairs.

What We Like
High-quality stainless steel
Effective sealing performance
Improved engine efficiency
Easy to install
#TOP 2

Dorman 03133 Exhaust Stud Kit

03133
Clear Zinc
M10-1.5 x 62mm
Dorman 03133 Exhaust Stud Kit Cover
Dorman 03133 Exhaust Stud Kit - M10-1.5 x 62mm Compatible with Select Models

The Dorman 03133 Exhaust Stud Kit is a direct replacement for specified vehicles, providing an ideal solution for missing or worn parts. Made from quality materials, this kit ensures reliable performance and durability. Backed by automotive experts in the US with over a century of experience, it is a trustworthy option for car owners. To ensure proper fit, input your vehicle make, model, and trim level into the garage tool.

What We Like
Durable construction for long service life
Exact fit and function as original hardware
Trustworthy quality backed by automotive experts
#TOP 3

FGJQEFG Exhaust Flange Repair Kit

WJ1215
Metallic
2"ID-2 Bolts
FGJQEFG Exhaust Flange Repair Kit Cover
FGJQEFG Exhaust Flange Bolts Quick Fix Repair Pipe Kit w/Gasket & Hardware, 2'' Inch ID 2 Bolts T304 Stainless Steel Universal Flange Replacement Kit

The FGJQEFG Flange Repair Kit is designed for durability and strength, ensuring it won't easily deform under pressure. With precise dimensions, including a 2-inch pipe ID and a sturdy 1/4-inch flange thickness, it fits securely and effectively. The slotted bolt holes allow for flexibility during installation, accommodating various sizes. Furthermore, the kit comes with springs and bolts, making it easy for you to replace your old flange quickly. This universal kit is compatible with most vehicles, providing a reliable solution for your exhaust system repairs.

What We Like
High-quality stainless steel
Easy installation
Universal fit for vehicles
Durable and strong
#TOP 4

Generic 420cc Predator Engine Exhaust Adapter

Generic
OT001132-1
Generic 420cc Predator Engine Exhaust Adapter Cover
420cc Pr-edator Engine - 1" Threaded Exhaust Flange Compatible With Pr-edator 301 420 340 390 22hp 670 Generator or Other Applications Where a Custom Exhaust

The Generic Exhaust Adapter is designed for use with various Predator engines and compatible models, ensuring a custom exhaust setup. It features a stainless steel 1" NPT outlet pipe, which is crucial for durable connections. The flange is made from heavy 1/4" steel plate, preventing warping during installation, which enhances reliability. Additionally, this adapter is engineered to be a direct replacement, allowing you to install it with ease. Just remember to use longer screws for proper fitting, making your installation process smooth and hassle-free.

What We Like
Durable steel construction
Easy installation process
Compatible with multiple engines
Custom exhaust capability
#TOP 5

Stacool 3 Inch Split Flange Repair Kit

Stacool
Split Flange Exhaust Gasket
3 Inch
5.31*4.33*0.3inch
Stacool 3 Inch Split Flange Repair Kit Cover
3 Inch Split Flange Repair Kit with 2 Bolts,Carbon Steel Flat Oval Exhaust Flange Kit for Exhaust Flange Repair,Universal Exhaust Flange Connection Kit Car Accessories (3 Inch)

The Stacool Exhaust Flange Kit is designed for easy car repairs, featuring a set of split flanges and two bolts for quick installation. You can choose from three sizes—2 inch, 2.5 inch, and 3 inch—to perfectly match your vehicle's needs. Made from durable low carbon steel, this kit is built to withstand high temperatures and pressures, ensuring reliable performance. Additionally, its user-friendly design allows for hassle-free installation without the need for welding or cutting, making it an ideal choice for enhancing your car's exhaust system efficiency.

What We Like
Easy installation
Durable steel construction
Multiple size options
Improves exhaust performance
#TOP 6

Dorman Exhaust Stud Kit

03129
One Size
Dorman Exhaust Stud Kit Cover
Dorman 03129 Exhaust Stud Kit - M12-1.75 x 62mm Compatible with Select Ford / Lincoln / Mercury Models

The Dorman Stud Kit is a reliable replacement for missing or worn-out exhaust flange studs and nuts in select Ford, Lincoln, and Mercury models. Made from quality materials, these durable parts ensure reliable performance and a long service life. With a direct fit and function, they are designed to match the original hardware of the specified vehicles. Backed by a team of product experts and over a century of automotive experience, you can trust the quality of these studs and nuts. To ensure a perfect fit, simply input your vehicle's make, model, and trim level into the garage tool. Upgrade your exhaust system with the Dorman Stud Kit and enjoy a hassle-free installation and improved performance.

What We Like
Direct replacement
Ideal solution
Durable construction
#TOP 7

Dorman 23755 Exhaust Flange Repair Kit

23755
Dorman 23755 Exhaust Flange Repair Kit Cover
Dorman 23755 Front Exhaust Flange Repair Kit Compatible with Select Ford/Lincoln Models (OE FIX)

The Dorman Exhaust Flange Kit provides a quick and efficient solution for reconnecting your vehicle's catalytic converter to the manifold exhaust flange. You won't need any special tools, drilling, or heating, making the repair process straightforward. The innovative design of the brackets ensures they fit snugly, maximizing contact and stability for a durable hold. This kit also includes two stainless steel brackets and nuts that resist corrosion, ensuring a long-lasting fix. With this kit, you can save time and effort while restoring your car’s exhaust system effectively.

What We Like
Easy installation
Corrosion-resistant materials
Durable design
No special tools required
#TOP 8

Patriot Exhaust H7265 2-1/2" Exhaust Collector Flange

Patriot
H7265
Patriot Exhaust H7265 2-1/2" Exhaust Collector Flange Cover
Patriot Exhaust H7265 2-1/2" Exhaust Collector Flange, Grey

The Patriot Exhaust H7265 2-1/2" Exhaust Collector Flange is a high-quality auto part designed specifically for vehicles. With its 2 bolt style and 4 gauge flange thickness, this collector flange ensures a secure and durable connection for your car's exhaust system. The vehicle-specific fit type makes installation quick and easy, saving you time and effort. This product from Patriot Exhaust is perfect for car enthusiasts who want to upgrade their exhaust system for improved performance and sound. With its sturdy construction and precise fit, the Patriot Exhaust Collector Flange is a reliable choice that will enhance your driving experience.

What We Like
Durable
Easy installation
Improved performance
#TOP 9

Patriot Exhaust H7259 2-1/2" Exhaust Collector Flange

Patriot
H7259
Patriot Exhaust H7259 2-1/2" Exhaust Collector Flange Cover
Patriot Exhaust H7259 2-1/2" Exhaust Collector Flange

This performance exhaust flange is vehicle specific and made in the United States. It has package dimensions of 11.176 L x 2.794 H x 11.938 W (centimeters) and a package weight of 2.0 pounds.

What We Like
Vehicle specific fit for easy installation
Made in the United States for quality assurance
Compact package size for easy storage and shipping
#TOP 10

SSNNUU 2.25 Inch Exhaust Flange Kit

SSNNUU
Exhaust Flange Repair Kit
2.25 Inch
4.92x3.27x0.32 inch
SSNNUU 2.25 Inch Exhaust Flange Kit Cover
2.25 Inch 2-Bolt Exhaust Flange Repair Kit,Stainless Steel Exhaust System Kit with Exhaust Bolts & Exhaust Gasket,Exhaust Pipe Flange Gasket for Automotive Replacement Exhaust Flanges (2.25 Inch)

The SSNNUU Exhaust Flange Kit is designed to enhance your vehicle's performance with its high-quality stainless steel construction, which withstands extreme temperatures and pressure. This kit ensures effective sealing, minimizing engine noise and allowing your engine to run smoothly. By connecting the pipe interface securely, you can prevent temperature fluctuations that might damage parts. Installation is straightforward; simply place the gasket and align it with the flanges, saving you both time and money on repairs. This kit is ideal for a reliable and efficient exhaust system replacement.

What We Like
High-quality stainless steel
Excellent sealing performance
Easy to install
Reduces engine noise
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Are exhaust flanges necessary?

Exhaust flanges are necessary components of a vehicle's exhaust system. They help create a secure and airtight seal between two metal parts of the exhaust pipe, preventing leaks and reducing noise and vibrations from the engine and exhaust pipe.

2. How much does it cost to replace an exhaust flange?

The cost of replacing an exhaust flange can vary depending on the specific vehicle and the labor costs. On average, the cost for an exhaust manifold gasket replacement ranges from $274 to $340. This includes both the labor costs, which can be around $239 to $301, and the parts, which can cost around $36 to $39.

3. 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 while driving, including noise, vibrations, and potential damage to the vehicle. It is important to address a broken exhaust flange promptly to ensure the proper functioning of the vehicle's exhaust system.

4. How tight should exhaust flange be?

When tightening an exhaust flange, it is recommended to torque the nuts to specific values. Start by torquing nuts one, two, and three to 20 ft-lbs. Then, tighten all three nuts to 40 ft-lbs. Finally, finish by tightening each nut to 60 ft-lbs. This ensures the exhaust flange is properly secured and prevents any potential leaks or issues.

Editor's Notes

During our car exhaust flange research, we found 24 car exhaust flange products and shortlisted 10 quality products. We collected and analyzed 8,799 customer reviews through our big data system to write the car exhaust flanges list. We found that most customers choose car exhaust flanges with an average price of $18.20.

The car exhaust flanges are available for purchase. We have researched hundreds of brands and picked the top brands of car exhaust flanges, including Aokdom, Dorman, FGJQEFG, Stacool, Patriot. The seller of top 1 product has received honest feedback from 993 consumers with an average rating of 4.8.

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.