Specification: 

Car fitment: Fits BMW M3 E92 4.0L 2008-2013

Material: Titanium alloy

Surface Finish: Mirror polished

Welding: High temperature TIG welding

Packing: Carton box

Feature:

1. The sound waves of the valve in the exhaust catback can be freely controlled.
2. The emissions are smoother.
3. Obviously improved performance.
4. Enhancing the driving pleasure.