rsd velocity stack pre-filter - RSD 3.25" diameter velocity stack

RSD, VELOCITY STACK PRE-FILTER
Compatible with all RSD and most other 3.25" diameter velocity stacks. The micro openings will catch the largest particles and keep them out of the engine. Also helps reducing water intake in wet weather conditions. Note: Advised for regular street use.
Fits: RSD and most other 3.25" diameter velocity stacks