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If you look at the back of your IS under the car where the spare tire is. You will be surprise that we already have a working diffuser built in the plastic cover.
Mine has it 2009 IS.
The closest functional rear diffuser that I have seen is the Euroteck CF one. Other than that, I don't think enough 2IS owners track their cars to make production of a functional splitter/diffuser worthwhile to a company.
Thank you, I've seen that one and it looks like a nice replacement to the box. I was just wondering if anyone made their own full undertray in the rear and front.
Originally Posted by montgb
The closest functional rear diffuser that I have seen is the Euroteck CF one. Other than that, I don't think enough 2IS owners track their cars to make production of a functional splitter/diffuser worthwhile to a company.
there are no TRUE TESTED diffusers for our cars, its all 'form' rather than 'function'... ALSO most diffusers out there are really not functional either, take alook at a true F1 diffuser~ theirs actually has scoops that channel air to the diffuser and not some 'tacked on fins'.
not sure how functional this is, but i know he has the power to back it up (boosted)
I couldnt find a better angle but hes the only one ive seen with this.
not sure how functional this is, but i know he has the power to back it up (boosted)
I couldnt find a better angle but hes the only one ive seen with this.
It has no testing on the IS's but it does on the EVO 8. With the rear side diffusers and under diffuser it completly covered the bottom and attaches to the rear diff frame tight.
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