550-1078
4-1/2" GNX Slip-On Mufflers
$593.95
- Muffler bodies measure a full 4-1/2" outer diameter
- Unique louvered baffle delivers a more aggressive tone, even with stock head pipes
- S&S racing heritage-styled end caps with a tuxedo black finish
- SAE J2825 sound level compliant (with included dB installed); dB reducer is removable
- Made in U.S.A.