Eisenmann Intermediate muffler Exhaust for the BMW M3/M4
This Eisenmann Intermediate muffler replaces the original BMW centerpipe of the BMW F80 M3 and BMW F82 M4 owners. The intermediate muffler is a resonated centerpip. By installing this intermediate muffler pipe most of this exhaust back pressure will be eliminated and the turbo will spool much faster and effortlessly resulting in quicker engine revs and increase HP
Eisenmann's performance exhausts are built by hand in germany from start to finish to create an old world craftsmanship simply not available with other exhaust manufacturers.