fuel filter can | eBay Find great deals on eBay for fuel filter can. Shop with confidence. Skip to main content. eBay Logo: Universal High Pressure Performance Fuel Filter Aluminum Can Tank Fitting RED. Brand New. $39. Buy It Now. Free Shipping. Scepter High Flow Military Fuel Can Spout - Multi-Fuel 7/8 Inch Hose with Filter. Can "performance" fuel filters actually increase fuel flow In theory, a less restricting fuel filter could cause the fuel pump to use less electricity, and therefore reduce the drag on the alternator. This is the only performance benefit I can see a better fuel filter could have on an otherwise unmodified vehicle. However, this effect is extremely minimal.