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.
Ceramic coating turbo downpipe.
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.
In other words ceramic coated headers look and function the same on mile one as they do on mile 300 000.
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.
On naturally aspirated motors non turbo we will typically coat the inside of headers as deep as possible.
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.
Http bit ly 2mdcqd3 my first attempt and ceramic coating at home.
Even if you bought titanium or good stainless steel parts a ceramic coating for headers exhaust pipes and turbo parts just to name a few actually improves their performance.
Remember our coating is about 015 thick not a thin paint.
How important is it to have the downpipe coated.
Over time this can weaken the cast housing.
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.
On turbo components the thermal cycle process can go from glowing red to cool as a cucumber.
Get the ceramic paint used in this video here.
The ceramic coating is applied evenly on both the inside and outside of the exhaust pipes preventing hot spots that can cause metal fatigue improves the laminar flow of your exhaust gasses prevents rust and corrosion of the ceramic coated parts.
A ceramic header coating also provides protection against the corrosive materials in the exhaust.