1996–2016 Twin Cam Bagger - Big Bore 4.5 "Works Edition" Harley-Davidson-TC-Bagger-2009 Increases bottom to mid range

Increases bottom to mid range torque and horsepower on all motors

Hand tig welded from top to bottom

18mm o2 bungs with 12mm adapters

Tuned properly can accommodate 88" to 143"

1996–2016 Twin Cam Bagger - Big Bore 4.5 "Works Edition" Harley-Davidson-TC-Bagger-2009 Increases bottom to mid rangePrecisely pie cut and tig welded back together by hand at our factory. A meticulously pain staking process, but the results are a work of art in the end. 07' 08' baggers require o2 extensions 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