Best Exhaust Studs & Nuts of 2025

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Exhaust studs and nuts are crucial components in the exhaust system of a vehicle. They allow for a secure connection between the exhaust manifold and the rest of the exhaust system, ensuring that exhaust gases are properly directed away from the engine. Made from high-quality materials such as stainless steel, these studs and nuts are designed to withstand extreme temperatures and resist corrosion. They come in various sizes and lengths to fit different makes and models of vehicles. Proper installation of exhaust studs and nuts is important to prevent leaks and ensure the efficient functioning of the exhaust system.
At a Glance: Our Top Picks
Top 10 Exhaust Studs & Nuts
16 Pcs Stainless Steel Exhaust Manifold Stud Nuts Kit Compatible With Ford
This exhaust manifold stud and nut kit is made of high-quality 304 stainless steel, making it wear-resistant, anti-corrosion, and heat-treated for durability. The M8*50 thread size is compatible with Ford 4.6 and 5.4-liter V8 engines, and all parts are engineered and tested to meet or exceed original standards and performance. Installing or replacing the kit is easy, and it comes with a 2-year warranty. The package includes 16 pieces of stainless steel aftermarket studs and serrated flange nuts kit.
GSTP M8*1.25 Studs Kit
The GSTP Exhaust Studs Kit is a high-quality replacement kit designed for Ford, Lincoln, and Mercury vehicles with 4.6L, 5.4L, and 6.8L engines. Made of premium stainless steel, these M8*1.25 studs are built to last. With a length of 50MM, they are a perfect fit for manifold installations. The kit includes 16 exhaust studs and 16 serrated face flange nuts, providing everything you need for a direct replacement. By replacing worn-out studs, you can ensure a secure and leak-free connection for your exhaust system. With the GSTP Exhaust Studs Kit, you can enjoy improved performance and peace of mind.
Dorman 675-216 Exhaust Stud Kit
The Dorman Exhaust Stud Kit is an excellent choice for replacing your original manifold hardware. The kit includes everything you need for a complete installation, ensuring a secure connection between the manifold and the exhaust system. Made from hardened steel, the studs and springs are built to last, providing you with durability and peace of mind. Additionally, all components have been rigorously tested for quality, guaranteeing their functionality and longevity. To ensure the perfect fit for your vehicle, simply enter your make, model, and trim level into the garage tool.
MOTOALL Exhaust Stud and Nut Kit
The MOTOALL Exhaust Kit is a high-quality replacement part for your Subaru Legacy, Impreza, Forester, WRX, STI, Crosstrek, Baja, BRZ, Tribeca, and SVX. It is designed to replace the worn-out exhaust studs and nuts in your vehicle, ensuring a secure and leak-free connection between the exhaust manifold and the cylinder head. With its compatibility with a wide range of Subaru models from 1990 to 2019, this kit offers a convenient solution for Subaru owners who need to replace their exhaust studs and nuts. By using the MOTOALL Exhaust Kit, you can ensure proper exhaust system function, improve engine performance, and prevent exhaust leaks, giving you peace of mind while driving.
Dorman Exhaust Stud Kit M10-1.5
The Dorman Exhaust Stud Kit provides a direct replacement for your vehicle's exhaust flange stud and nut, ensuring a perfect fit and function. If your original parts are missing or worn out, this kit offers a reliable solution that restores your exhaust system's integrity. Made from high-quality materials, these components promise durability and long-lasting performance. With over a century of automotive expertise backing this product, you can trust its quality for your vehicle's needs. To ensure compatibility, simply enter your vehicle's make, model, and trim level using the provided garage tool.
Dorman Exhaust Manifold Stud and Nut
The Dorman 03411 Exhaust Manifold Stud and Nut is an OEM equivalent part number (N811313-S431, W701706-S2) used to secure the exhaust manifold to the engine. With a package weight of 0.55 pounds and compact package dimensions of 11.43 L x 3.048 H x 3.81 W (centimeters), this product is made in China and falls under the category of Exhaust Studs & Nuts.
APDTY Exhaust Manifold Stud Set
The APDTY Exhaust Studs come in a convenient pack of 10, making it easy for you to secure your exhaust manifold. These studs are designed to screw directly into the cylinder head, allowing for a straightforward installation process. Each stud is compatible with various engine sizes, specifically the 2.0L, 2.2L, and 2.4L engines on select models. With a robust grade of 9.8 and a total length of 50.80 mm, these studs ensure a strong and reliable hold, enhancing the performance and longevity of your vehicle's exhaust system.
Alpha Rider Harley Exhaust Studs Nuts Kit
The Alpha Rider Exhaust Studs Nuts kit is a direct fit replacement unit for Harley-Davidson motorcycles. This kit includes four zinc-plated studs and four chrome-plated flanged nuts, replacing OEM #16715-83. It fits 1984-2015 Big Twin and 1986-2014 Sportster XL. The kit is an excellent choice for DIY mechanics, offering a reliable solution for replacing your Harley's exhaust studs and nuts.
AIRCMT Exhaust Manifold Flange Studs Nuts Kit
The AIRCMT Exhaust Manifold Flange Studs Nuts Kit is a high-quality and high-performance kit that is compatible with Toyota, Nissan, Honda, and other similar models. Made of high hardness 45# steel with Z-inc plating, it is wear resistant, acid and alkali resistant, and rust proof. This professionally manufactured kit is highly accurate and sensitive, ensuring a precise fit. With a shank length of 25mm and an overall length of 48mm, it provides the necessary dimensions for easy installation. The included flanged nuts have a nut hex of 14mm, making them convenient to use. Upgrade your exhaust manifold with the AIRCMT Studs Nuts Kit for a reliable and durable solution.
Tanbupu 16 Pcs Exhaust Studs Kit
The Tanbupu Exhaust Studs Kit includes 16 durable studs and nuts, perfect for various Ford and Lincoln models from 1996 to 2017. These premium quality steel components are designed to withstand high-stress environments, ensuring they won't easily break or deform over time. With a precise size of M8 x 1.25, they fit securely into your engine, providing reliability and peace of mind. The kit also comes in a convenient plastic box, making storage and organization simple for you. This means you can easily find what you need when working on your vehicle.
Frequently Asked Questions (FAQs)
1. Are studs or bolts better for exhaust manifolds?
Studs are preferred for exhaust manifolds because they offer advantages like better alignment of components and gaskets, reduced thread damage during installation and removal, and lower likelihood of breaking off inside the casting.
2. What causes exhaust studs to break?
Exhaust studs can break due to the rapid expansion and contraction of the exhaust manifold material during heating and cooling cycles. This puts significant strain on the studs or bolts holding the manifolds to the cylinder heads, eventually leading to failure after repeated cycles of expansion and contraction.
3. What nuts to use on exhaust manifold?
Brass manifold nuts are commonly used to secure the intake and exhaust manifold in a vehicle. These nuts provide a secure fastening for the manifold to ensure proper functioning and prevent leakage.
4. Why use studs instead of bolts?
Studs are preferred over bolts for exhaust manifolds because they allow for more accurate torque values. Unlike bolts that twist during tightening, studs remain stationary, resulting in more even and accurate clamping forces. This makes studs a better choice for achieving proper fastening and preventing leaks.
5. Are studs stronger than bolts?
Stud bolts are generally stronger than bolts due to their increased thread engagement and larger surface area for distributing the load. They are designed to provide higher load capacity and are typically longer to span the distance between components or materials.
6. Should you put anything on exhaust manifold bolts?
It is recommended to apply a metal fortified anti-seize compound to exhaust manifold bolts if they are being reused. However, it is generally recommended to use fresh OEM bolts for the best results. It is also important to clean the threads and ensure proper installation for a secure and reliable connection.
During our exhaust studs & nut research, we found 24 exhaust studs & nut products and shortlisted 10 quality products. We collected and analyzed 7,041 customer reviews through our big data system to write the exhaust studs & nuts list. We found that most customers choose exhaust studs & nuts with an average price of $13.27.
The exhaust studs & nuts are available for purchase. We have researched hundreds of brands and picked the top brands of exhaust studs & nuts, including big-autoparts, GSTP, Dorman, MOTOALL, APDTY. The seller of top 1 product has received honest feedback from 426 consumers with an average rating of 4.8.

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.