Best Exhaust Bolt & Spring Kits of 2025

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 15, 2025

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Exhaust Bolt & Spring Kits are essential components for any vehicle's exhaust system. These kits typically include high-quality bolts and springs that are designed to withstand the extreme temperatures and vibrations produced by the exhaust system. They are used to securely fasten the various components of the exhaust system together, ensuring that they remain in place and do not leak or become damaged. Exhaust Bolt & Spring Kits are available for a wide range of vehicles and are a must-have for anyone looking to maintain or upgrade their exhaust system.

At a Glance: Our Top Picks

Carleef M10 Exhaust Bolt Kit Cover #TOP 1
Carleef M10 Exhaust Bolt Kit
ftb score rating icon 9.8
Walker Exhaust Bolt and Spring Kit Cover #TOP 2
Walker Exhaust Bolt and Spring Kit
ftb score rating icon 9.7
Dorman 675-221 Exhaust Bolt and Spring Kit Cover #TOP 3
Dorman 675-221 Exhaust Bolt and Spring Kit
ftb score rating icon 9.5

Top 10 Exhaust Bolt & Spring Kits

#TOP 1

Carleef M10 Exhaust Bolt Kit

Exhaust Bolts and Nuts Kit
M10x1.25
2.95*0.81*0.81 inch
Carleef M10 Exhaust Bolt Kit Cover
M10x1.25x75mm Exhaust Bolts and Nuts Kit,Includes 2 Sets Exhaust Manifold Bolts+Exhaust Springs+Nuts+Gaskets,Auto Parts Replacement Exhaust Bolt and Spring Hardware Kit (M10x1.25)

The Carleef Exhaust Bolt Kit is designed to enhance your vehicle's performance with its durable, high-strength carbon steel construction. The M10 * 1.25 thread size ensures a secure fit, while the 75mm length and 20.6mm diameter provide compatibility with various car models. Installation is quick and straightforward, saving you time and effort. This kit also supports exhaust manifold components, ensuring a strong seal between ball and socket joints. With included bolts, springs, nuts, and gaskets, it meets your everyday repair needs effectively.

What We Like
Fits well
Easy installation
Correct bolts for specific model
Good performance
What We Don't Like
Weaker spring than factory
Incompatible with some models
#TOP 2

Walker Exhaust Bolt and Spring Kit

Walker
35129
Multicolor
Walker Exhaust Bolt and Spring Kit Cover
Walker 35129 Exhaust Bolt and Spring for Honda Civic

The Walker Exhaust Bolt and Spring Kit is designed to keep your car's undercar exhaust components in place. Its spring has the perfect compression strength to ensure a secure connection. Made from high-quality materials, this kit is durable and long-lasting. It's designed to connect to a ball and socket joint, and it's recommended to use it with other premium Walker accessories when upgrading your car's exhaust system.

What We Like
Good fit for various models
Includes necessary springs and nuts
Simple installation process
Quality materials and performance
Helpful for exhaust flex
What We Don't Like
Gasket could be thicker
Shorter than OEM bolts
#TOP 3

Dorman 675-221 Exhaust Bolt and Spring Kit

675-221
Dorman 675-221 Exhaust Bolt and Spring Kit Cover
Dorman 675-221 Exhaust Bolt and Spring - (2) Springs (2) Studs Compatible with Select Models

The Dorman Exhaust Bolt Kit is an excellent replacement option for your vehicle's exhaust system. It matches the original equipment in terms of fit and function, ensuring a seamless installation. You’ll appreciate that this kit includes all the necessary hardware for securely attaching the manifold to the exhaust system. Made from hardened steel, the bolts and springs offer durability for long-lasting performance. Additionally, all components have undergone rigorous testing, giving you peace of mind that they will function properly over time.

What We Like
Easy installation
Good quality kit
Identical to original parts
Corrosion protection plating
Longer length for ease
What We Don't Like
No nuts included

Stacool Exhaust Bolt & Spring Kit

Car Exhaust Manifold Bolts
2.9*0.82*0.82 inch
Stacool Exhaust Bolt & Spring Kit Cover
2PCS Car Exhaust Manifold Bolts,Steel M10x1.5 mm Exhaust Bolts and Nuts Kit with Springs for Exhaust Gasket,Professional Exhaust Flange Bolts Car Accessories for Most Cars

The Stacool Exhaust Kit features shock-absorbing springs that reduce vibrations, extending the life of your vehicle's exhaust components. These bolts ensure a tight seal on the exhaust gasket, preventing leaks that can affect engine performance. Made from high-temperature resistant manganese and 45 gauge steel, they maintain durability even in harsh conditions. With precise dimensions, this kit includes all necessary accessories for easy installation, making it perfect for both routine maintenance and part replacements.

What We Like
Good quality bolts
Easy to install
Factory-like performance
Includes spring for flexibility
What We Don't Like
Size issues for some vehicles
#TOP 5

Walker Exhaust Bolt and Spring for Chevrolet C1500

Walker
36463
Walker Exhaust Bolt and Spring for Chevrolet C1500 Cover
Walker 36463 Exhaust Bolt and Spring for Chevrolet C1500

Walker Exhaust Bolt Kit is a compatible part designed to keep your undercar exhaust components in place. It ensures consistent performance with the right compression strength for a secure connection. Made from premium materials, this kit is durable and long-lasting. The design allows it to be used for ball and socket joints. When installing Walker catalytic converters and mufflers, using this kit ensures a complete exhaust system upgrade.

What We Like
Easy installation
Good quality materials
Cost-effective compared to stores
Fits well on various models
Durable after months of use
What We Don't Like
Requires metric thread adjustment
#TOP 6

M8x1.25x82mm Exhaust Bolt Kit by Carleef

Exhaust Bolts and Nuts Kit
3x0.90x0.90 inch
M8x1.25x82mm Exhaust Bolt Kit by Carleef Cover
M8x1.25x82mm Exhaust Bolts and Nuts Kit with 2 Exhaust Studs,2 Exhaust Springs and 2 Nuts,Exhaust Flange Bolts OEM#35129,4682,ES491,Compatible with Acura BMW Chevrolet Ford lsuzu Jeep

The Carleef Exhaust Bolt Kit is designed to enhance the performance of your vehicle’s exhaust system. It includes essential components like two exhaust manifold bolts, springs, and nuts, ensuring a tight connection for improved efficiency. Before you order, it's crucial to verify the compatibility with your vehicle’s model and year. The kit is compatible with a wide range of Acura, BMW, Chevrolet, Ford, and Honda models, making it a versatile choice. The high-quality iron construction ensures durability and resistance to rust, providing a reliable solution that withstands high temperatures for long-lasting performance.

What We Like
Durable iron construction
Wide compatibility with models
Includes essential installation components
Improves exhaust efficiency
#TOP 7

Walker Exhaust 36454 Bolt and Spring Kit

Walker
36454
Multicolor
Walker Exhaust 36454 Bolt and Spring Kit Cover
Walker 36454 Exhaust Bolt and Spring for Toyota RAV4

The Walker Exhaust 36454 Bolt and Spring Kit includes six pieces of exhaust bolts and springs designed to keep your undercar exhaust components in place. The spring has the right compression strength for a secure connection and is made from high-quality materials for durability and long life. These bolts and springs are designed to be used for ball and socket joint, and are perfect to use with Walker catalytic converters and mufflers for a complete exhaust system upgrade.

What We Like
Easy DIY installation
Cost-effective solution
Exact fit for various models
Includes necessary gasket
What We Don't Like
No nuts included
Possible counterfeit concerns
#TOP 8

Dorman Exhaust Bolt & Spring Kit for Toyota Models

03123
Dorman Exhaust Bolt & Spring Kit for Toyota Models Cover
Dorman 03123 Front Manifold Bolt and Spring Kit - 3/8-16 x 1-3/4; M10-1.25 x 67mm Compatible with Select Toyota Models

The Dorman Exhaust Bolt & Spring Kit is an ideal replacement for your Toyota, designed to match the fit and function of the original equipment hardware. This kit includes all the hardware required for a complete installation, ensuring secure attachment of the manifold to the exhaust system. Made of hardened steel, these components are durable and long-lasting, having undergone extensive testing to ensure proper function. To ensure a perfect fit, simply input your make, model, and trim level into the garage tool.

What We Like
Easy installation
Compatible with multiple models
Cost-effective compared to OEM
Good quality materials
Anti-seize recommended for longevity
What We Don't Like
May require additional nuts and washers
Not suitable for some specific models
#TOP 9

Walker Exhaust Bolt and Spring

Walker
36129
Walker Exhaust Bolt and Spring Cover
Walker Exhaust 36129 Exhaust Bolt and Spring

The Walker Exhaust Bolt and Spring is designed to keep undercar exhaust components in place and provide consistent performance. Made from high-quality materials, the spring has the right compression strength for a secure connection and is designed to be used for ball and socket joint. For a complete exhaust system upgrade, it is recommended to use premium Walker accessories when installing Walker catalytic converters and mufflers.

What We Like
Great price
Easy installation
Strong metal quality
Acceptable quality bolts
Fast delivery
What We Don't Like
Possible fit issues
Missing parts in delivery
#TOP 10

Rwraps Exhaust Spring Bolt & Nut Kit

M10-1.5-67mm
M10-1.5-67mm
Rwraps Exhaust Spring Bolt & Nut Kit Cover
Rwraps 2-Pack Exhaust Bolt and Spring M10-1.5x67mm Exhaust Spring Bolt & Nut Harware kit

Rwraps Bolt Kit includes 2 bolts, 2 springs, and 2 nuts made of mild steel and zinc-coated Class 10.9 material. The size is M10-1.5 x 67mm, with a total length of 67mm and a screw length of 25mm. This kit is essential for securing exhaust systems, ensuring a tight and secure connection. It provides durability with the zinc coating, making it resistant to corrosion. The included nuts and bolts make installation quick and easy, saving you time and effort.

What We Like
Good quality materials
Potential for future projects
Variety of components included
What We Don't Like
Inconsistent bolt sizes
Minor spring damage
Buying Guide Image

The Right Exhaust Bolt & Spring Kits for Your Car

What are Exhaust Bolt & Spring Kits?

Exhaust bolt and spring kits are used to connect the exhaust system to the exhaust manifold or headers on a vehicle. These kits include bolts and springs that are designed to secure the exhaust system in place and provide proper support and alignment.

Why are Exhaust Bolt & Spring Kits Important?

Properly securing the exhaust system is essential for several reasons. First and foremost, it ensures the safety of the vehicle by preventing the exhaust system from coming loose or separating while driving. This can be especially dangerous if the exhaust system were to fall off while driving at high speeds, as it could cause damage to the vehicle or even pose a risk to other drivers on the road.

In addition to safety, properly securing the exhaust system also helps to improve the performance of the vehicle. A loose exhaust system can cause vibrations and misalignment, which can affect the flow of exhaust gases and ultimately reduce the horsepower and torque of the engine. By using high-quality exhaust bolt and spring kits, you can ensure that your exhaust system is properly aligned and supported, which can help to maximize its performance.

How to Choose the Right Exhaust Bolt & Spring Kit

When it comes to choosing an exhaust bolt and spring kit, there are a few key factors to consider. First, you need to make sure that the kit is compatible with your vehicle's make and model. Exhaust systems are typically specific to each vehicle, so it's important to choose a kit that is designed to fit your particular vehicle.

Another important factor to consider is the material of the bolts and springs. The bolts and springs in an exhaust bolt and spring kit are typically made of high-strength steel or stainless steel. Steel is strong and durable, but it can rust over time, especially in damp environments. Stainless steel, on the other hand, is corrosion-resistant and can withstand harsh conditions. Depending on where you live and the conditions you drive in, you may want to choose stainless steel bolts and springs for added durability and longevity.

In addition to material, you also need to consider the size and length of the bolts and springs. It's important to choose bolts and springs that are the correct size and length for your vehicle. If the bolts are too long, they can interfere with other components, and if they are too short, they may not provide adequate support. To ensure that you choose the right size and length, you may want to consult your vehicle's owner's manual or a mechanic.

Conclusion

Exhaust bolt and spring kits are an essential component of a vehicle's exhaust system. By choosing the right kit, you can ensure that your exhaust system is properly secured and supported, which can improve its performance and safety. When shopping for an exhaust bolt and spring kit, be sure to consider compatibility, material, size, and length to find the best kit for your vehicle.

Frequently Asked Questions (FAQs)

1. What are the springs for on exhaust bolts?

Springs on exhaust bolts serve two purposes: allowing movement of the exhaust joints due to engine movement and pre-loading a 'ball-and-socket' exhaust joint together. They help maintain a secure connection while accommodating the flexibility required for engine vibrations and thermal expansion.

2. What kind of bolts should I use for my exhaust?

For exhaust flanges, the usual options are 3-bolt or 2-bolt types. The recommended bolts are M10 for the 2-bolt option and M8 for the 3-bolt option. It is important to choose bolts with a grade of 8.8 tensile or higher to ensure they can be tightened without stretching or breaking.

3. Should you put anything on exhaust manifold bolts?

If you are reusing exhaust manifold bolts, it is recommended to apply a metal fortified anti-seize compound to prevent seizing and corrosion. However, it is generally advised to use fresh OEM bolts for the best results when replacing broken or damaged exhaust manifold bolts.

4. Can you use bolts instead of exhaust studs?

While it is possible to substitute a bolt and nut for an exhaust stud and nut, it may not be the recommended approach. Using a stud provides better stability and alignment during installation, as well as improved resistance to vibration and thermal expansion. It's generally considered a more reliable solution compared to using bolts.

5. Do you need the springs on the exhaust?

Yes, the springs on the exhaust serve an important purpose. They help pull the exhaust tight(ish) to the header pipes and compensate for the lack of a solid connection due to the flange design. Without the springs, there is a higher risk of cracks in the header pipes and potential disconnection from the engine.

6. Should you put Loctite on exhaust bolts?

Using a medium strength thread locking compound, such as Loctite blue 243, is recommended for exhaust bolts. However, it's worth noting that using Loctite may make it more difficult to check gasket compression in the future, as individual bolts would need to be removed and replaced.

7. Are bolts better than studs?

Stud bolts are generally considered stronger than regular bolts due to their increased thread engagement and larger surface area for distributing the load. They also provide better stability and alignment between components. Additionally, studs are usually longer since they are designed to span the distance between two components or materials.

Editor's Notes

During our exhaust bolt & spring kit research, we found 24 exhaust bolt & spring kit products and shortlisted 10 quality products. We collected and analyzed 26,953 customer reviews through our big data system to write the exhaust bolt & spring kits list. We found that most customers choose exhaust bolt & spring kits with an average price of $7.95.

The exhaust bolt & spring kits are available for purchase. We have researched hundreds of brands and picked the top brands of exhaust bolt & spring kits, including carleef, Walker, Dorman, Stacool, Rwraps. The seller of top 1 product has received honest feedback from 630 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.