Call (707) 463-1322 to order any Factory Pipe ® product.


Factory Pipe was the first to manufacture aluminum waterboxes and we are still the industry leader. Our boxes are deep drawn (stamped) for more reliability and a better fit.  Exhaust noise is only slightly more than stock while providing better tone and throttle response. We design all Factory Pipe waterboxes to complement our systems and the stock pipe. Available for:

  • Kawasaki 440/550 , $205.00