Gotcha.

I ended up going with the Aero Works front lip

https://myjapandirect.com/product/ae...4-after-model/

where can i get the evo-r lip, nothing is in stock and dont want to go through the evo r website

all in stock

I am looking for something similar (or Evo-R), however I use my car in track.
Can you please let me know whether you tried this on track and you noticed different? Because I need more down-force and I have 2014 sport bumper.

I would appreciate your feedback.

is it reliable on track, and provide down-force? or is it for aesthetic/look?

Your reply is highly appreciated

Most of aftermarket aero is not wind tunnel tested for obvious cost reasons.

I got your point, and generally speaking yes, you are right.
however, while I was checking the Z1 website, I really liked the stillen splitter/lip but it is compatible for 09-12 models. And my friend used to have it, and he got it for track use, and his feedback was positive.

That's why I thought maybe the evo-r or anything similar to Stillen will be find for 2013 and up models ...

I don't need something heavy duty because I use the car on weekend too.

I think I answered your question without any ambiguity.

If it is not designed in the wind tunnel, then any down force a part provides is purely by luck, not scientific design. If it does - great, but don't expect it to, as there is no way to prove it other then running the car in a wind tunnel.


Stillen, being a company owned by a former professional race car driver, may perform some kind of aerodynamic test on their products, or at least use the racing experience in their design. EVO-R is not a professional car racer as far as I know.

Thank you cooltoy,I really appreciate your explanation. Very useful info.

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