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Dumb questions but what does the resonator do with on a exhaust system??

capitalst

Ready to race!
Location
Chicago, IL
Dumb questions but what does the resonator do with on a exhaust system?? I can't figure out what it does or doesn't do? Can you help?
 

2zzge

Banned
Location
SoCal
Car(s)
GTI
yeah, its usually tuned to a specific frequency(s) hense the name.
where a muffler tries to attenuate a broader frequency range. that's why a muffler is quieter vs a res.

thusly, a muffler is usually much larger (to accommodate the chambers needed for the different freqs)....and...a resonator can be made smaller in comparison because it is attenuating a much narrower band.
 
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