TWIN AIR Air Filter - Polaris 156140 Replacement Mud Flap To install this new DNA

To install this new DNA Air filter follow the installation instructions included in the workshop manual

Setup shown is our VE2 kit that has the best midrange to top end balance for road racing at most tracks (see option VE1 stacks for high speed tracks with long straights or drag racing)

The 4-inch muffler body has proprietary technology to prevent bluing making this slip-on virtually blue proof

The silencer is hung strapless

TWIN AIR Air Filter - Polaris 156140 Replacement Mud Flap To install this new DNADual bonded foam design filters out even the smallest dirt particles, while allowing more airflow than two separate layer filters (flow bench proven)Twin Air filters are slightly smaller than stock to make them easier to change and to increase dead air space around the filter for better performance Flat foam sealing ring securely seats against the airbox, even in the worst riding conditions