share your db measurements with us

Worldwide the noiseregulations are getting strikter and strikter on the circuits.the modern sportsbike produce so much intakenoise that it’s almost impossible to ride the perfect laptimes without breaking the rules and get blackflagged. On this page you will find db measurements from around the world of motorfans who install a MWR High Efficient airfilter in there bike.

We want to collect as much information about this subject as possible.Iff you install a MWR High Efficient airfilter and can get the hold on db measurements,send them to us and we will put them on this page. We are only intrested in the Dynamic Measurments because this system measures the intake noise.

Tests below are back to back tests , done from one session to the other on same day , swap filter between session

If you have information for us and want to send it to us

Yamaha R6 SSP (ONK)

Practice- qualification

Circuit Assen (NL)

Date 02/10/2009 

K&N filter  →   100.2 db

MWR “HE” filter → 93.7db 

Suzuki GSXR 750 K8 STD with MWR "HE" filter test with in different gears at Dynamic Measurements ( drive by microphone )

Extreme Test

Circuit Assen (NL)

Date 27/03/2010

3th gear 94.4 db

4th gear 93.8 db 

5th gear 92.1db

6th gear 89.8db 

Honda CBR 600RR '09 STD with MWR "HE" filter doing a 5 lap racesimulation

Race simulation

Circuit Assen (NL)

Date 27/03/2010

5 laps 93.9db , 94.6db , 93.1db , 94.2db , 94.7db

Kawasaki ZX6RR 2010 std

Track bike

Circuit  Zolder (B)

Date 21/05/2010

Std filter → 97db

MWR “HE” filter → 94.5db

BMW S1000RR Superbike IDM spec.

Race Simulation

Circuit  Zolder (B)

Date 21/05/2010

BMC filter → 109db

MWR “HE” filter → 101.5db