Best Paint for Headers

When it comes to painting headers, particularly the exhaust headers in vehicles, it’s essential to choose a paint that can withstand high temperatures, resist rust, and provide a durable finish. Exhaust headers are exposed to extreme heat, so selecting the right paint ensures that they maintain their appearance, resist damage from the heat, and protect the metal underneath from corrosion.

We’ll explore what makes the best paint for headers, what features to look for, and some of the top options available.

Why Do Exhaust Headers Need Special Paint?

Exhaust headers are subject to some of the harshest conditions in a vehicle. The engine generates a tremendous amount of heat, which is transferred to the headers. Here’s why you need to use specialized paint for headers:

1. Heat Resistance: The most crucial factor when selecting paint for exhaust headers is heat resistance. Exhaust systems reach temperatures upwards of 1000°F (538°C), so the paint must be able to withstand these extreme temperatures without peeling or fading.
2. Corrosion Protection: Exhaust headers are constantly exposed to moisture, road salt, and other environmental factors that can cause rust. High-quality header paint helps to prevent corrosion and rust buildup on the metal, prolonging its life.
3. Durability: The paint needs to be durable enough to withstand the vibrations and movement of the engine, as well as the heat cycles (heating up and cooling down) that occur while driving.
4. Aesthetic Appeal: While functionality is the priority, the appearance is also important to many car enthusiasts. Headers are often visible, so using a high-quality paint that can maintain its appearance for a long time is a big plus.

What to Look for in the Best Paint for Exhaust Headers

Here are the key features to consider when choosing the best paint for headers:

1. Heat Resistance: The paint should be able to tolerate high temperatures, typically up to 1200°F (649°C) or more, especially when applied to areas like exhaust manifolds or headers. Always check the temperature tolerance specified by the manufacturer.
2. Durability and Hardness: Paint for headers should resist chipping, peeling, or scratching from the extreme temperatures and vibration it’s exposed to. It should also remain intact under high heat cycles without deteriorating.
3. Rust Resistance: Headers are prone to corrosion from moisture, salt, and road debris. The paint must offer rust resistance to keep the headers looking new and prevent metal deterioration.
4. Ease of Application: Look for paints that are easy to apply and don’t require professional help. Most header paints come in spray cans, making the application process quick and straightforward.
5. Finish: Header paints come in different finishes, including matte, satin, and gloss. Choose a finish that complements the look of your vehicle, keeping in mind that heat can change the finish over time.
6. Cure Time: Some high-temperature paints need to be cured at a high temperature after application, which is important to ensure they provide maximum heat resistance. Follow the manufacturer’s instructions for proper curing.

Top 5 Best Paints for Exhaust Headers

Now that you know what to look for, let’s dive into some of the best paint options available for exhaust headers.

1. VHT Flameproof Header Paint

Overview: VHT (Very High Temperature) Flameproof Header Paint is one of the most popular options for exhaust headers. It’s specifically designed to withstand high heat and protect headers and exhaust systems.

• Features:
  • Heat resistance up to 2000°F (1093°C) intermittently.
  • Prevents rust and corrosion.
  • Available in several finishes, including flat, satin, and gloss.
  • Easy application with a spray can for even coverage.
  • Available in various colors to complement the look of your engine.
• Best For: Those looking for maximum heat resistance and durability in extreme conditions.
• Why We Like It: VHT Flameproof Header Paint is one of the most heat-resistant paints available, making it ideal for exhaust systems that are exposed to extremely high temperatures. It’s easy to use and provides long-lasting protection.

2. POR-15 High Temp Exhaust Paint

Overview: POR-15 is known for its high-quality rust-preventive products, and their High Temp Exhaust Paint is designed to handle the intense heat generated by exhaust systems. It offers a durable finish and superior protection against corrosion.

• Features:
  • Heat-resistant up to 1400°F (760°C).
  • Provides excellent protection against rust and corrosion.
  • Suitable for exhaust headers, manifolds, and catalytic converters.
  • Fast-drying and easy to apply.
  • Available in various colors, including black and silver.
• Best For: People looking for a paint that provides rust protection and can withstand high temperatures for an extended period.
• Why We Like It: POR-15 High Temp Exhaust Paint is excellent at preventing rust, which is crucial for components like exhaust headers. It offers long-lasting protection, and the durable finish holds up well under heat cycles.

3. Eastwood Exhaust Manifold Paint

Overview: Eastwood is a well-respected brand in the automotive industry, and their Exhaust Manifold Paint is specifically designed to provide heat resistance and prevent rust and corrosion on exhaust systems.

• Features:
  • Heat-resistant up to 1300°F (704°C).
  • Protects against high heat and moisture.
  • Dries quickly and cures to a hard, durable finish.
  • Can be used on exhaust manifolds, headers, and mufflers.
  • Available in a high-temperature black finish for a sleek look.
• Best For: DIY enthusiasts and car owners looking for an easy-to-apply, durable paint for their exhaust headers and manifolds.
• Why We Like It: Eastwood’s Exhaust Manifold Paint is a great option for those who want a simple solution for protecting their exhaust headers. It provides great heat resistance and has a clean finish that complements the engine bay.

4. Dupli-Color High Heat Exhaust System Paint

Overview: Dupli-Color is another brand that offers reliable automotive products, and their High Heat Exhaust System Paint is a fantastic choice for headers. It is formulated to withstand the high temperatures typically encountered by exhaust systems.

• Features:
  • Heat-resistant up to 1200°F (649°C).
  • Available in multiple finishes, including satin and gloss.
  • Resists fading, peeling, and cracking under heat.
  • Can be used on exhaust headers, manifolds, and catalytic converters.
  • Simple spray application for even coverage.
• Best For: Those looking for a versatile, affordable high-heat paint that works well on exhaust systems.
• Why We Like It: Dupli-Color High Heat Exhaust System Paint is well-regarded for its performance and affordability. It is easy to apply, dries quickly, and offers solid protection for headers and other exhaust components.

5. Rust-Oleum Automotive High Heat Spray Paint

Overview: Rust-Oleum is known for making durable and long-lasting paints for a wide variety of automotive applications, and their High Heat Spray Paint is perfect for headers exposed to high temperatures.

• Features:
  • Heat resistance up to 1200°F (649°C) for intermittent exposure.
  • Ideal for use on exhaust systems, grills, and engines.
  • Provides a durable, corrosion-resistant finish.
  • Dries to a smooth, semi-gloss finish.
  • Available in black and silver colors.
• Best For: Car enthusiasts who need a versatile, high-heat paint that provides great protection for exhaust components.
• Why We Like It: Rust-Oleum’s High Heat Spray Paint is a great budget-friendly option that offers solid performance. It’s easy to apply and provides excellent protection from the heat, moisture, and rust.

How to Apply Paint on Exhaust Headers

Proper preparation and application are crucial to getting the best results when painting your exhaust headers. Follow these steps for a smooth, durable finish:

1. Clean the Surface: Thoroughly clean the headers to remove grease, oil, dirt, and any old paint. Use a degreaser or a strong cleaner to ensure the surface is free of contaminants.
2. Sand the Surface: Lightly sand the headers with a fine-grit sandpaper to create a rough texture for the paint to adhere to. This helps with adhesion and ensures a more even coating.
3. Apply Primer (If Necessary): Some high-heat paints do not require a primer, but if the manufacturer recommends one, use a high-temperature primer for better adhesion and coverage.
4. Apply the Paint: Use a spray can or a brush to apply the paint evenly across the surface of the headers. Apply light, even coats, and allow each coat to dry before applying the next. Multiple thin coats will give a better result than one thick coat.
5. Cure the Paint: After painting, cure the headers by allowing the paint to dry completely, and if required, heat the vehicle to allow the paint to set. Some paints require a specific curing process, such as baking the headers in an oven or running the engine to set the paint.

Conclusion

The best paint for exhaust headers should offer excellent heat resistance, corrosion protection, and durability. Brands like VHT, POR-15, and Eastwood are among the top choices for automotive enthusiasts looking to restore or protect their headers. By selecting the right paint and following proper application techniques, you can ensure that your headers not only look great but also withstand the harsh conditions of the engine bay. Whether you’re restoring an old header or adding a custom touch to your exhaust system, investing in high-quality header paint will help prolong the life of your vehicle’s exhaust components.