3-in-1 Fuel Additive Keeps New Engines Clean and Improves Vehicle Performance Porter, TX. (October 25, 2012) – High performance lubricant manufacturer, Royal Purple, today announced the introduction of its newest product, Max-Clean®. Max-Clean is a state-of-the-art fuel system treatment that cleans injectors, restores fuel economy and reduces both engine buildup and tailpipe emissions. Royal Purple’s… Continue reading Royal Purple Introduces All-New Max-Clean Fuel System Treatment