Quiet inserts for BDSB 4 stroke end caps 2020-24. ( not 390 end caps )
$19.95Price
Our stock end cap ID is 1.500". These 2 inserts are 1.00" and .750". You can take them in and out in seconds. Each lowers the DB about 1.5 DB, so 3 DB for the smallest one, over the end cap by itself.
The smallest one may have a whistle sometimes at lower rpms, due to it's small size.
These fit all BDSB end caps from 2020 and newer. Not the 390 caps
Out of Stock
