I did find a post on this from 2011, but I wanted to see if there was anyone since then that has run this stuff through their engine. https://www.z1motorsports.com/engine-parts/heartland/xtreme-clean-engine-flush-p-2476.html Opinions? Experiences? Whatever input you have is much appreciated! I bought my TT back in June from an original owner who took good care of the vehichle - just looking to give it a bit of a refresh.
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