...Carbon Build Up on Akrapovic Tips....
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08-21-2011, 11:16 AM
Drives: E30 M3 l E92 M3 l F82 M4
Join Date: Nov 2009
Location: Bay Area
Never Dull works the best on Akra tips ...
I tried P21S and other stuff and it wasn't very good !
Never Dull cleans the build up pretty well and won't remove the the titanium blue hue
after the Never Dull treatment
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