Save $25 when you combine the new Power Intake Tube with the Grunt Exhaust Manifold Exhaust manifold. Together they are a huge improvement in pulling power, from just right off of idle all the way to wide open. Requires either using the TPS Tuner on 250 and 350's  to increase Fuel or our Programmer. Programmer must be use on the 450/500/501

Big Bottom Kit for 2017-2023 EXC-F / XCFW / FE-S / FE 250 / 350