Now I thought I'd post below the letters I received as well as the checklist used in NSW to check your car for modifications.
I and the older and long-time members of this forum I guess are sick of repeating ourselves on some things like legalities and having some young jockey n00b argue or debate an issue. We don't really give a shit about any insignificant reply you think you can contribute
We're here to help those who will listen and want to avoid costs and hassles like we've already experienced.
For example myself having spent over $1xxx on a custom/aftermarket exhaust system only to spend within $100 of that original amount to put it all back to stock... it took me 5 noise tests before I passed.
Outlined in the 2nd image is the checklist of things they go through. Unless you have an engineering certificate for your parts then don't bother taking yours for testing until you've replaced it as they won't tell you you've "Instant Failed" until after you've paid... funny that.
As for the noise test it takes the following to get you a letter from the DECC:
1) 3x Direct Independent complaints from civilians
2) 1x Direct Complaint from government workers (ie Police, Council workers, etc)
If you have an aftermarket catalytic converter, if you want to keep it then you have to book yourself in for "Voluntary Emissions Test" at 1 of 2 stations in NSW (Penrith and Cronulla area from memory)
You Fail Vehicle Inspection after deadline then your issued with a Defective Notice and straight to pits for you where they go through every inch of your car. Fail to get it fixed and your License of all things is suspended. Still fail and your rego is cancelled and vehicle impounded.
Test RPM is dependent on vehicle make. Honda submitted 5700rpm for B-Series engines for ADR compliance.
dB limit is also dependent on year make of your vehicle. AFAIK newer vehicles have to pass 87dB
If you want to drive around with an obviously modified vehicle (exhaust and induction on vtec motors being the most apparent) then drive sensibly. The combination of modified vehicles (jap cars) and Hoons are the reason these shitty rules are in place so don't go hating on us for advising on the RIGHT things. And some of you wonder why people who Hoon in unmodified sedans etc never get picked on... their not obvious.. DUH!!!
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