Under Bonnet Temperature

[Dave Barlow]

Has anyone considered Zircotec coating to the exhaust manifolds, as a way of reducing UBT?

 

[nb_racing]

I think it's expensive, and unless you are racing, or a hardcore trackdayer, I don't think the benefits are worth the cost (imo).

 

[flango]

I had the exhaust ceramic coated on my M3 made a massive difference to UBT and as a result screwed more power out of it, was just short of £500 IIRC well worth doing if you chasing power gains

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