13 Apr 2018, 11:03 (Ref:3815183)
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#10
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Quote:
Originally Posted by Sodemo
What are the rules regarding exhausts for NGTC?
I remember the Vauxhall Vectra S2000 / NGTC hybrid actually sounded pretty nice, almost like a Subaru Group A car, however the current exhaust notes don’t really do it for me. The TCR cars actually sound much nicer (imo).
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Some of that information is in the 'private' technical manuals, but some of what you are getting from the exhaust notes is down to the common turbo / wastegate requirement. Along with the following:
'The maximum noise level is 115 dB(A) at 4500 rpm measured at 0.5 metres distance and at a 45
degree angle to the point of exit of the exhaust(s) and at a height above the ground of 0.5m ±0.1m'
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