2006-2017 DYNA - Big Bore 4.5 "Works Edition" Harley-Davidson-Dyna-2011 Precisely pie cut and purge

Precisely pie cut and purge tig welded back together by hand at our factory

MAINTAINS STOCK CAT

Tuned properly can accommodate 88" to 143"

We fit *all models 2018-2025 except breakout & fatboy

All mounting hardware pictured included

2006-2017 DYNA - Big Bore 4.5 "Works Edition" Harley-Davidson-Dyna-2011 Precisely pie cut and purgePrecisely 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