Just the end cap changed on this muffler makes as much power as any slip on muffler. It's lighter than the stock cap, has an approved spark arrestor and it's the only one that won't burn the stock blinkers. It changes in seconds. Just re-use the stock screws. No drilling holes. It has a 1.5" od outlet and makes 90.5 db at 4600 rpm.    We have a quiet insert sold separatley for $9.95    This fits USA and Canada models only.  For Euro or Aus, use that model

Power End Cap / Silver for 2020-21 350 / 501 EXC-F / XCF-W / FE-S / FE

$149.95 Regular Price
$139.95Sale Price
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    (928) 925 - 5818
    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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