2006-2017 DYNA - Big Bore 4.5 "Works Edition" Harley-Davidson-Dyna-2011 5” high flow performance rolled

5” high flow performance rolled cone muffler with stepped baffle from 2 ¼ to 2 ½ inches

4” high flow performance cone into a 4” body with a 2 ½” perf core baffle

Tuned properly can accommodate 88" to 143"

For st models please include your bike on the cart page for a free bag mounting bracket

if you have a Softail Big Bore

2006-2017 DYNA - Big Bore 4.5 "Works Edition" Harley-Davidson-Dyna-2011 5” high flow performance rolledPrecisely pie cut and tig welded back together by hand A meticulously pain staking process, but the results are a work of art in the end. 4. 5 high flow performance rolled cone muffler with stepped baffle from 2 to 2 inches. Increases bottom to mid range torque and horsepower on all motors. Tuned properly can accommodate 88" to 143". 065 stainless steel headers, stepped from 1 to 1 7 8 to 2 at the collector Hand tig welded from top to bottom Machined