Dimotiv Exhaust Tip Cover for BMW R NINE T 2014-2016 (GOLD) Dimotiv Exhaust Tip Cover for BMW R NINE T 2014-2015 (GOLD). It made of light-weight 6061-T6 aluminum alloy harder and durable material, then anodized in 4 stylish color options GOLD, TITANIUM or BLACK , and finished with a special transparent coating avoiding color loose under any weather conditions.