There is no need to replace the air filter - trust me it is good enough (it is not usual panel filter made from paper) and there will be absolutely no improvement at all. But there is one thing you can do for improving OEM intake:
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Same thing i thought, first time i saw this thingIs there an stl file for this anywhere?
Ive tried several times to buy one but they never get back to me...wish someone would make something. Or atleast a better intake..could just do the quick and easy aluminum pipe and pod filter but will def need a cold air feed and heat shieldSame thing i thought, first time i saw this thing![]()
For me +1For making it I just need to find time to remove my front bumper, unscrew that duct, and send it to my friend. He will scan it, make even some improvements and pint it out with 3D printer (he is working in 3D printing company). He also ownes i30N and he wants to make it for himself but if someone else wants to get it too, he can produce those more.



I think the main problem is the filament. This is maybe printed with ABS or PETG, but this is not resistant to temperatures above 95°C. There are some kinds which are more heat resistant / shape stable up to 220°C.Some news about that "German quality" induction pipe (80% of people who bought it, are reporting about same problems):
When it came:
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And how it looks now:
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So I talked with my friend and asked him, does it make any sense to use 3D printer at all for making this kind of details because there is a bad deformation after 4-months of usage.
He told me that it happen because of low quality material used on 3D printing. He told me that he will improve the structure of that pipe and will use also littlebit of rubber for making pipe more resistant for vibrations and heat.
Is that adaptor for the end of the induction pipe? What size does each end measure?Ouch, imagine paying €160 plus for that, no wonder they're not selling them anymore. I printed my adapter in nylon which has a melting point of plus 230°C. Very useful those pics though, it's going to make it easier to make.
If anybody can scan and get me a file, I can 3d print a mandrel and make them from carbon fibre. Just sayin
Would you like me to find out what the file I would require is? We have so many different machines at our place growing different materials. Are they all used with the same file type?