38-51mm Universal Motorcycle Exhaust Muffler Pipe with Silencer Street Dirt Bike Air Bag Rear Spring Rate:7 kg/mm (392

Rear Spring Rate:7 kg/mm (392 in/lbs)

A6 Allroad Quattro 2007 - 2017

Impeller Liner/cup (764197)

- Welding Required

38-51mm Universal Motorcycle Exhaust Muffler Pipe with Silencer Street Dirt Bike Air Bag Rear Spring Rate:7 kg/mm (392Application Most of Dirt Bike, Street Bike, Scooter, ATV, Quad And Any Other Bike With Pipe Diameter 38 51 mm (and most of motorcycle, diameter 38 51 mm, but not for all types motorcycles) Specification Type: Exhaust Muffler Silencer Color: Titanium as pictures shows Material: Titanium Pipe + Titanium Head+Stainless Steel Welding Adapter Length: 370mm? 14 1 2"? Pipe Length: 235mm ( 9 1 4?) Inner diameter: 51mm (2?) Outer diameter: 105mm (4 1 8'')