New replacement muffler. Whether you're replacing a worn-out muffler or looking to upgrade, this replacement part is built to restore your Sportsman 400's and 500's performance and ride quality. Don't let a damaged muffler slow you down—order today and get back to enjoying your ATV to the fullest! OEM Quality: Direct replacement for your original muffler with the same fit and performance you expect from Polaris. Precision Fit: Designed to perfectly match the specifications of the 2001-2014 Polaris Sportsman 400 and 500 for a hassle-free installation. Direct replacement for POLARIS part numbers 1261042-029, 1261042-489 FITS THE FOLLOWING MODEL(S): 2001-14 Sportsman 400 2001-14 Sportsman 500