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Quiet inserts for BDSB 4 stroke end caps 2020-24. ( not 390 end caps )

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

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