• Vance & Hines Big Radius 2 into 2 Exhaust Black 46071.

• These Black 2-Into-2 Big Radius Exhaust Pipes by Vance & Hines give your Harley-Davidson Dyna the style and sound that are sure to turn heads. These solid pipes are precision made using heavy 16-gauge steel, and the 1-3/4" diameter chrome pipes are fully covered in matte black finish heat shields, then finished off with chrome end s and the Vance & Hines badge. The internal, radius-covered, louvered baffles are dyno-tuned to give your bike the deep, “get-outta-my-way” sound your bike deserves. The 12mm O2 oxygen sensor has been positioned deep into the exhaust system for more accurate feedback to the ECM. Dynas made before 2007 will need O2 oxygen sensor plugs, which can be purchased separately 443-405. Installation of the Vance & Hines Fuelpak (or Fuelpak FP3 for 2007 and later models) Fuel Management System is recommended if your Dyna has electronic fuel injection. Metal exhaust port kets are not included with the Big Radius Exhaust Pipes, and must be purchased separately 4400281. These pipes are made with pride in the USA.• Made with sturdy 16-gauge steel, the 1-3/4" diameter chrome pipes are fully covered in matte black finish heat shields, and feature a contrasting chrome end plus the Vance & Hines badge.• The dyno-tuned, radius-covered louvered baffles give your bike the deep, rich sound a Harley is supposed to have. � The 12mm O2 oxygen sensor is located deep in the exhaust system for improved feedback to the ECM.• Pre-2007 Harley-Davidson Dynas will need O2 oxygen sensor plugs, which may be purchased separately 443-405.• Like all Vance & Hines pipes, these are made in the USA.• The Vance & Hines Fuelpak (or Fuelpak FP3 (or 2007 and later models) Fuel Management System is recommended when installing Big Radius Exhaust Pipes on Dynas with electronic fuel injectdion.• Vance & Hines does not ship metal exhaust port kets with the Big Radius Exhaust Pipes, and these may be purchased