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Big Radius 2-into-1 breaks the mold and delivers white-knuckle performance with style unlike anything from the competition and anything you have ever experienced before. With full-coverage heat shields in either chrome or black, Big Radius 2-into-1 will keep its show quality finish whether at the dragstrip or on the boulevard. Don’t let the good looks fool you, once you turn it on, make sure you hold on tight as you rule the open road.
For 2012, Vance & Hines has designed a new flat plane mounting panel for the 12mm oxygen sensors now employed across the Dyna model line, which positions the sensor deeper into the exhaust stream, providing enhanced data feedback to the ECM.2012 Dyna Street Bob and Fat Bob WILL ALSO FIT: 2012 Dyna Wide Glide, Superglide with removal of passenger footpegs.