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

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All Pro Flo header systems will marry existing SPC mufflers as long as they are both for the same bike

4” rolled cone muffler with a 2 ¼ coiled perforated baffle for increased torque and a deep tone

if you experience any issues with fitment we are happy to properly re-swage any headers to your muffler

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