1999-2005 DYNA - Big Bore 4.5 "Works Edition" Color:Black Onyx Increases bottom to mid range

Increases bottom to mid range torque and horsepower on all motors

CNC billet aluminum endcap

07'-08' baggers require o2 extensions

07'-08' baggers require o2 extensions

MAINTAINS STOCK CAT

1999-2005 DYNA - Big Bore 4.5 "Works Edition" Color:Black Onyx Increases bottom to mid rangePrecisely pie cut and tig welded back together by hand at our factory right here in lake elsinore, ca. 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