So if you are about to choose a set of custom wheels, know that Sinister offers a matching air cleaner design for all their wheels. (many more designs than shown here)
They will add a little bit of performance boost to your bike, can be bolted right on if you keep your Harley factory exhaust pipes, or will require a trip to your local dyno place if you use an aftermarket exhaust.
CNC Machined out of 6061 T6 Aluminum. You can choose your air cleaner either polished, black or any custom color, same as your wheels. At Sinister Wheels.