Save $25 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 either using the piggybcak fuel programmer to get enough Fuel to the bike when adding all the extra air this kit adds. The big bottom Kit is a big power increase, after opening the intake and increasing Fuel.

Big Bottom Kit for 2017-21 EXC-F /XCFW / FE-S / FE 450 / 500 / 501

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    Best Dual Sport Bikes designs performance aftermarket parts for KTM and Husqvarna brand bikes. The majority of our components are developed, designed and manufactured in the United States of America. Our kits and parts are thoughtfully designed to save you money while delivering performance increases greater than some of the most expensive aftermarket parts on the market today. 

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