An engineers certificate covers you for the life of the modifcation on the car.. so if you get your exhaust tested, and its over the 95dB, and then get it engineered (theres only a list of about 25people in NSW/VIC/QLD i think?? you can download the list of signatories on the RTA website) your covered forever.. and whoever buys your car after you is also covered, so long as you dont change it.
I asked about engineers Cert. for wheels and its about $150, so i think about the couple hundered dollar mark is right. But still you wont get passed if your car is waaay outside the limits.
man my exhaust is like 3in from the cat back and it sounds much louder inside the car than out. Some of my friends tested their cars at TAFE (apprentice mechanics) and they were all about the 95-105 mark!
[[link for the PDF from the RTA.. these are the ONLY people who do it so i dont think they have room to be dodgy, its their lifes work. Most of them make mods to cars for handicaped drivers though.. Call around if your really worried Restricted Signatories]]
Take that back.. i found a list with a whole lot more engineering guys... Engineers Certificate Peeps
what have you got on your car dude? Its very rare for a car to be WAY over... or even near over. Unless your talking rotory only really Turbo cars are over... well thats been my expeirnce... and even if you think it is... Shove some steel wool in the tip and get it tested. or get a big muffler welded on temporaroly.
talkin bout loud exhust...l'm getting an Apexi N1 muffler...are they like..real loud dudes??? just wanna know before i get it....and also...compare that to the Xforce muffler ??
i just wana put a nice chrome exhaust on my car that is loud but i just dont want no demerit points taken off meand soo my car is going bak to 8 cm off the ground right now its about 12 cm maybe more (it looks so yuck man uff)because of my iceboy body kit it looks more lowerd and 16z which i just put back on and thinking of geting 18's but ppl are telling me it wont fit on my car unless i get some panel job done to it otherwise its a no no,if i cant get 18's im going 4 17's and then a small air filter jst coming ou tof my right grill on my bonet (i had dreams about it it looks good ) so yeh thats probably what im going to do to my car in the future and then leave it and sell it in about 2 yrs for around 6 or 7 thinking of geting a stock turbod car like r32
They'll give you a fine and a defect notice, to clear it, you must get a engineer's certficate which will cost $200-300, and drive to the RTA PITS.
Normally when I get pulled over, I'm really nice to the officer, if you're arrogant, wearing a cap backwards in a singlet etc, expect them to be more biased against you..
uuummm 8cm clearence is illegal dude... it has to be 10cm. If the guy who does your exhaust is any good he'll be able to tuck it up so the car could be legal... dunnow how low your kit is though... and you wouldn't need boddy work for 18s providing the offset is greater than +43 but you would need an engerneers since the largest size rim releaced in the EGs was the SiR which had 15s stock which means the biggest you can go is 17s.
I have heard talk of them introducing a loss of points system in NSW but I don't believe it has been implemented.
But as some have suggested, just be nice to the cop and you might get off lightly. In the past I have only ever been defected for having a non-standard exhaust system and not for being too loud, even though the cops said they could hear me coming from about 1km away and even then I was cruising on a flat in 5th doing 60kmh - all I had to do was get a pink slip. The cop stuck his head under my rear bar and told me to rev it (my exhaust was concealed behind the bar and fired towards the ground)...he scored himself the aural pleasure of a 4A-GE revving at 7,000rpm with a straight through exhaust - served him right!
Also it might be a good idea to drive resposibly if you know you have loud exhaust and want to avoid getting defected. Remember you can now get a fine/defect notice from rangers/epa/council, etc who see (or hear) you driving along...all they need is your number plate and you're gone.
And remember they don't need to test your system to defect you...all they need is their own discretion and it is then up to you to prove them wrong!
Sometimes though it's hard to be discrete when you have a 4inch tip N1 muffler hanging out the back of your car - if a nasty cop sees that you're gone - he doesn't even have to hear it....
I'm not sure where you guys are getting this figure of 95db from.
I called up EPA and the engineer, and both told me the limit is 90db, with normal cars producing close to 87db.
going from 90db to 91db is approx double the volume...so yeh
The instrument he uses to measure the 'volume' actually measures the change in air pressure.
Originally Posted by Chi
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