yoxufa 420cc exhaust pipe header muffler replacement for predator 301cc 8hp gx240 270 390 mini bike go kart golf cart mud boats lawnmower ohv clone small engine parts with heat shield tape exhaust with muffler is up for auction in Automotive. The current bid is $2.00, 95% below the $39.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.