Send us your stock mufflers off your 96 and newer Dyna and have them re-fit into our Deep Growl Bullet slip-on mufflers. Bullet Performance Slip-On Mufflers for Harley Davidson Dyna, Street Bob, Wide Glide and SuperGlide . Mid-Rumble and Street Friendly baffles sold separately so you can customize your sound. Fast turnaround so you can get back on your bike quickly.