[Nate@IND]

Here are the db levels for the eisenmann Sport and Race for the 1M. Sadly some exhaust manufactures don't even test the db levels at all.

Eisenmann downpipe back exhaust version SPORT (IM+RM):

Driving vehicle: 73 db
Stationary vehicle: 81 db

Back box only, version SPORT:

Driving vehicle: 73 db
Stationary vehicle: 81 db

Eisenmann downpipe back exhaust version RACE (SR+RM):

Driving vehicle: 82 db
Stationary vehicle: 90 db

Back box only, version RACE:

Driving vehicle: 78 db
Stationary vehicle: 85 db