This is in QLD, the laws are a funny one. You can have it like this only if its secured properly and doesn't increase sound drastically..
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Air Filter & Intake Discussion
- Thread starter Crocoman
- Start date
Would you happen to know what would happen if I was pulled over and told to pop the bonnet? Like? How much would it cost me and do I need to go to the pits ect.? If not, who would I ask about it? Completely new to this area of mods.
Make yourself familiar with the NCOP, some parts are QLD specific so check those out too.
https://www.tmr.qld.gov.au/Safety/V...odifications/Light-vehicle-modifications.aspx
For a quick guide read this one (has air filter info):
https://www.tmr.qld.gov.au/-/media/.../Vehicle-standards-instructions/G19.pdf?la=en
I used to have a copy of it in my glove box in my car which had mods, never had to use but it's handy to have in case the police officer is 'having a bad day'
https://www.tmr.qld.gov.au/Safety/V...odifications/Light-vehicle-modifications.aspx
For a quick guide read this one (has air filter info):
https://www.tmr.qld.gov.au/-/media/.../Vehicle-standards-instructions/G19.pdf?la=en
I used to have a copy of it in my glove box in my car which had mods, never had to use but it's handy to have in case the police officer is 'having a bad day'
I think you would be really unlucky to be done for an exposed pod filter...i have friends with CF bonnets(rx7 & turbo 86) that stand out real badly but they have yet to be pulled up on it here in Syd and their cars are louder(looks & sound wise) than ours (our cars pop and crackle better though 
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Personally I prefer non-oiled filters. As far as heat soak for open element intakes, if certain engine bay heat reduction methods are used, intake heat soak is much less of an issue, particularly at speed.
An associate of mine painstakingly modified the factory VT airbox by enlarging the outlet and used a much larger hard tube from airbox to the pre-turbo “J-pipe” and it increased flow enough to match the open element intakes commonly available.
I suspect that modifying the i30 N airbox in a similar fashion will yield similar results until someone designs a proper fully-partitioned airbox with a proper “ram-air” airbox inlet. TarmoT already has had one 3D-printed and it looks decent (could see things to improve about it).
An associate of mine painstakingly modified the factory VT airbox by enlarging the outlet and used a much larger hard tube from airbox to the pre-turbo “J-pipe” and it increased flow enough to match the open element intakes commonly available.
I suspect that modifying the i30 N airbox in a similar fashion will yield similar results until someone designs a proper fully-partitioned airbox with a proper “ram-air” airbox inlet. TarmoT already has had one 3D-printed and it looks decent (could see things to improve about it).
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I did some datalogging, 3 degrees increase in IAT's when you have the lid off. This will vary from climate to climate.
Bearing in mind you don’t drive it with,
A, the Bonnet open
And B, the airbox lid off...
Yes but the moving sounds still sound the same unless he’s got the lid off in those also
Moving sound sounds alright to me. Bearing in mind this cars sound in general doesn’t doesn’t translate 100% accurately in videos in my opinion.
If any filter does a better job at increasing airflow then its worth my consideration.
I don’t think this K & N one is for sale yet btw.
If any filter does a better job at increasing airflow then its worth my consideration.
I don’t think this K & N one is for sale yet btw.
Probably the former, as it seems at odds with the recent email responses from K & N doesn’t it. I checked their website and there’s still nothing there....
Have you ever tried to listen to your car with open airbox? I think he don't fit the airbox cover. I don't know if there's a huge difference to stock without it?
BTW: 1:36 couldn't be stock? Is it chipped with revs + 500? Sounds a bit like anti lag
Edit: 1:26 it sounds normal.
Edit: 1:26 it sounds normal.