A high heat ceramic coating can provide protection keeping the heat internal to the system.
Ceramic coating turbo downpipe.
In other words ceramic coated headers look and function the same on mile one as they do on mile 300 000.
You should always have an expert advise you on which type of coating will be best for your parts and the way you plan to use them.
On turbo components the thermal cycle process can go from glowing red to cool as a cucumber.
Remember our coating is about 015 thick not a thin paint.
Over time this can weaken the cast housing.
Http bit ly 2mdcqd3 my first attempt and ceramic coating at home.
Coating your headers in ceramic improves their heat resistance and keeps them from being tarnished or damaged by the heat.
I just installed a prl downpipe and i m now reading a number of people saying to get a turbo blanket and the downpipe either heat wrapped or ceramic coated.
It would be a real pain to have to take the downpipe off again and have it shipped off and back again just to be coated.
The coating cannot be welded on so if you have a manifold or downpipe coated and it cracks and needs repair than repairing becomes a lot more difficult.
On naturally aspirated motors non turbo we will typically coat the inside of headers as deep as possible.
A ceramic header coating also provides protection against the corrosive materials in the exhaust.
Get the ceramic paint used in this video here.
However if we think the coating will interfere with the fit of the header to the motor or the header to the mating exhaust part we will typically mask off those surfaces.
How important is it to have the downpipe coated.