Review on Arlen Ness 18 321 Sucker Filter by Noe Miceli

Easy to install. The instructions are good but could be more detailed. I understand that there are slight fit differences between Harley Davidson models and they have tried to be general and all inclusive at the same time. I installed it with a Vance and Hines FP3 fuel pack. If you are installing on a Harley Davidson you will need either a flashable fuel tank or a dealer dyno tune to get the best performance. After flashing a new EPN card with Big Sucker installed, I immediately noticed a performance boost. Acceleration is much smoother than before. Also looks great on the bike!