Caterham R400 - new experience and noise
Discussion
88.4dB - I would have thought hat is pretty quiet. I doubt you will get an R400 less than that. Also it is quite possible the noise may well be induction rather than exhaust, especially with throttle bodies. If not already fitted, an air box may be a good place to start, rather than exhaust.
Probably an easier solution is to find another venue with a higher noise limit.
Probably an easier solution is to find another venue with a higher noise limit.
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