Big Bottom Kit for 2017-2023 EXC-F /XCFW / FE-S / FE 450 / 500 / 501
$149.95Price
Save $10 when you combine the new Power Intake Tube with the grunt exhaust manifold. Together they are a huge improvement in pulling power, from just right off of idle all the way to wide open.
Requires adding fuel. with our ecu reprogramming. The big bottom Kit is a big power increase, after opening the intake and increasing Fuel.
