Elemental and Essential. Basic Slip-ons for 2009 Harley-Davidson Touring
models are the prerequisite to all other performance upgrades. With a
tapered nose cone that opens to a four inch diameter muffler body, finished
with a slash-cut end and tuned with a 2-1/4 inch louvered core baffle, Basic
Slip-ons deliver bold sound and performance in a timeless style.