These are the 2 parts you need for 2017-21 bikes when using any open exhaust, the reeds out of the intake tract and our Power intake tube in the intake tract.  This fixes all the fueling issues, lets the bike run between 12.5 and 14.7 AFR at all RPM'S and is the absoluter best fueling solution we have ever found.

Booster Plug / High pressure fuel regulator for 17-19 EXCF/XCFW/FE/FE-S

$195.95 Regular Price
$189.95Sale Price