Why Ceramic Coat Your Exhaust Headers and Turbo Parts?
Ceramic coating exhaust headers and turbo parts protects them from heat, corrosion and thermal fatigue, keeps the engine bay cooler and gives a lasting finish that won’t blue or discolour. This guide explains what high-temperature ceramic coating is, how it helps, and which parts benefit most.
What is high-temperature ceramic coating?
High-temperature ceramic coating, often called exhaust coating, header coating or high-heat coating, is a hard, heat-resistant finish that bonds to the surface of a part. Unlike nano-ceramic paint protection, it’s designed for parts that run very hot. Depending on the product, it can withstand constant exposure to temperatures of 1,000°C or more.
When correctly applied, it produces a hard finish that resists chipping, rust and corrosion. It’s available in many colours, from flat black to bright red, in finishes from matt and satin metallic to high gloss.
The benefits of ceramic coating headers and turbos
- Less radiated heat: it reduces heat from exhaust components, and it’s especially effective on tubular headers and manifolds.
- A cooler engine bay: lower temperatures extend the life of neighbouring components.
- Even temperatures: it helps maintain a more uniform temperature through the exhaust system.
- Better exhaust flow: keeping heat in helps maintain exhaust gas velocity.
- Longer part life: it protects against oxidation, rust, corrosion and thermal fatigue.
- A lasting, easy-clean finish: available in a wide range of colours and finishes.
Which parts can be ceramic coated?
High-temperature ceramic coatings are used on performance aftermarket parts and when refurbishing original components. They can be applied to aluminium, stainless steel, carbon steel, chrome and cast iron, and they work well on headers and exhaust pipes, exhaust manifolds, turbo housings and intakes, brackets and pistons.
Protection from road salt and grime
Headers and exhaust parts under the vehicle are exposed to road grime, salt, chemicals, dirt and debris. Near the coast, unprotected exhaust pipes can quickly corrode, rust and eventually crack. A high-temperature ceramic coating seals the metal against oil, fuel, salt and other chemicals that cause corrosion.
What is thermal cycling, and why does it matter?
Parts such as turbo housings can get glowing hot, then cool rapidly. This repeated heating and cooling is known as thermal cycling. Over time, it can make metal brittle, leading to cracking, corrosion and eventually failure.
A ceramic coating helps keep the outer surface temperature of turbo parts lower, especially on diesel turbos. That reduces the effects of thermal cycling and extends the life of turbo housings and other parts that heat up and cool down quickly.
A better-looking finish that lasts
Chrome headers often discolour at the bends, where heat concentrates. High-temperature ceramic coating resists the flaking, blueing and discolouring associated with chrome, standard powder coatings and other heat-sensitive finishes. It’s available in many colours and styles, including aluminium-look finishes.
Can ceramic coating improve performance?
Keeping heat inside the exhaust helps maintain exhaust gas velocity and reduces hot spots on bare metal, such as the bends in exhaust tubing. That supports efficient exhaust flow. Any performance gain depends on the vehicle and setup, so we don’t promise specific figures.
Related coatings
Heat-dissipating coatings
For parts that need to shed heat, such as radiators, engine blocks and intercoolers, see Heat Transfer Grey and Arctic Black.
Plasma coating
Our hot arc wire aluminium plasma coating protects turbo housings, manifolds and exhaust parts up to 800°C, and it can be over-coated with a ceramic colour finish.
Have a question? See our ceramic coating FAQs, or call 01621 841100 or email msb@msbpcl.co.uk for a quote.
Exhaust Header Coating FAQs
Why should I ceramic coat my exhaust headers?
Ceramic coating reduces radiated heat, keeps the engine bay cooler, protects headers from corrosion and thermal fatigue, and gives a lasting finish that won’t blue or discolour.
What is thermal cycling?
Thermal cycling is the repeated heating and rapid cooling of parts such as turbo housings. Over time it can make metal brittle and lead to cracking. Ceramic coating helps reduce its effects.
What metals can be ceramic coated?
Aluminium, stainless steel, carbon steel, chrome and cast iron can all be coated with high-temperature ceramic coatings.