[weq92f]

.

There is a large amount of marketing content for this stuff out there and not very much real world usage data. Automotive forum searches turned up a lot of inquiries and folks saying they would test it but not much followup with results. Here's what I found:


Here's a short discussion some members here have had:

https://67-72chevytrucks.com/vboard/...d.php?t=822179


This appears to show data backing up some of the claims:

https://www.onallcylinders.com/2018/...haust-coating/


Product reviews from Summit Racing (5 reviews, one is interesting):

https://www.summitracing.com/parts/zyc-10008/reviews

Hth,

-Kevin