BUN Freestyle aluminum water box. As mentioned in the description of the BUN chambers, there is no match to the performance of the BUN chamber paired with the BUN water box. They work in harmony together to make the most of your exhaust system.
*60mm or 2.375" inlet size and 2.5" outlet size.
Link to BUN Carbon Chamber or Aluminum Chamber
Link to - Chamber to Water Box 60mm Coupler
PLEASE NOTE - The WAZ edition and Yamaha edition chambers use the SAME water box.
If the item is not in stock, we will have it soon.
** A charge for shipping / importing from Japan will be added in edition to listed price (EST $85)
Part Number: 72-0013
