Jean-Michel Posted 18November Report Share Posted 18November HI, I am wondering if anyone has a trick to rejuvenate the air filter plastic box on early 911 (1972), or is it better to just spray it? Thank you Quote Link to comment Share on other sites More sharing options...
Peter M Posted 18November Report Share Posted 18November Have you tried a black trim restorer followed by 303 or similar? Quote Link to comment Share on other sites More sharing options...
Jean-Michel Posted 20November Author Report Share Posted 20November I am not sure what 303 is, but it is quite white and might need cut and polish, I am just not sure that you can do that on black plastic Quote Link to comment Share on other sites More sharing options...
tomo Posted 21November Report Share Posted 21November 5 hours ago, Jean-Michel said: I am not sure what 303 is, but it is quite white and might need cut and polish, I am just not sure that you can do that on black plastic Repco carries a black plastic restore colour product, I redid the grill on the Macan it had some white grey fade spots Came up a treat new almost. Will get the name for you when home. Bowden's Mr Black. Jean-Michel 1 Quote Link to comment Share on other sites More sharing options...
Carrera28 Posted 21November Report Share Posted 21November Bowden's Mr Black is also available from Supercheap. The product is not cheap so personally I always wait for a sale. At present Repco has the kit reduced by $18 for autoclub members: https://www.repco.com.au/car-care-panel/car-care/exterior-trim/bowden-s-own-the-black-box-trim-restorer-kit-bobbox/p/A5516652?kwSearch=mr black I have used the product and it was easy to use and gave a good quality outcome. However it is a temporary measure and you will need to reapply it periodically, for me that is acceptable. Jean-Michel 1 Quote Link to comment Share on other sites More sharing options...
CARRERA3.2 Posted 21November Report Share Posted 21November Personally - I find it hard to go past this product https://gtechniq.com/shop/auto/wheels-trim/c4-permanent-trim-restorer/?srsltid=AfmBOooSi4kByX2cbKZqGLRttiE6D01p2npBi84prYcvSPOeWWfwk-4e Use sparingly - long lasting Quote Link to comment Share on other sites More sharing options...
Rick V Posted 21November Report Share Posted 21November +1 for Bowdens Mr Black. As usual, 2 or 3 light applications gives a better outcome than 1 heavy application. Quote Link to comment Share on other sites More sharing options...
Peter M Posted 23November Report Share Posted 23November On 21/11/2024 at 08:21, Jean-Michel said: I am not sure what 303 is, but it is quite white and might need cut and polish, I am just not sure that you can do that on black plastic https://www.supercheapauto.com.au/p/303-303-protectant-473ml/598936.html?utm_content=paidsearch-pmax&gad_source=1&gclid=CjwKCAiAl4a6BhBqEiwAqvrquoRXzNWmr8wlWvYx01YDO-bzcWXdcsn1QdxRgPBF0iGsFuaLYZlU8hoCz30QAvD_BwE&gclsrc=aw.ds#gad_source_1 The use of the black trim restorer will sort out the whitness before applying the protectant. I use the same method on my smile, whaletail trim and front spoiler. tomo 1 Quote Link to comment Share on other sites More sharing options...
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