KhaoS2K
Member
I'm unashamedly preaching for my choir here, but The FX3D material is far superior to the others' design that are using some kind of ABS or HMW plastic. We use polyurethane, which offers the best characteristics for rock guards.I now have Sukeban minimal ones which are great to me. I prefer the material and lets me run whatever mesh I want for the vent, also nothing gets trapped btw the fenders and the liner. Its a pretty good product but its a bit expensive.
When we first designed those for the FK8, the owner of the car had some carbon fiber imitation hard plastic guards. When I removed them, they were already badly faded even though he have had them for just a year.
Polyurethane will not fade over time! It's scratch resistant, UV and chemically resilient to. I've had a set on my S2000 for a long time and also on my old WRX, my current GR86 and on my wife's CX-5. The last 3 listed cars have lived in hard Canadian Winter conditions and the guards are still in mint condition. Also, once you realize the satisfaction of just lightly kicking the frozen hard packed snow stuck between the fender liner and wheels, you can't help but wonder how you could have possibly lived without a set of our guards before
The only drawback of the material, which is also it's strength, is that it's flexible. It will endure quite the abuse, but also offer a certain challenge when designing guards on some platforms. On the FL5 for example, the upper OEM screw is located really deep inside the wheel well. That's the whole reason we had to fabricate a custom bracket to make them as flush as possible with the fender. We could have used double sided tape everywhere like some do, but that makes the install less secure and also complicates the adjustability feature our products have.
The first iteration had a really spaced out mesh on the guards themselves but the new design is more elegant, serves as a first layer filter and adds some lateral rigidity. I'd say this suits the huge majority of our customers. Not sure you would gain half a second on your lap time if you removed the mesh and guards, but you'll definitely prevent a lot of dirt being thrown at your fenders and side panels leaving them on(I was happy with the 3DFX too though minus how much it blocked the out vent (would have still had them if they did not block it as much, the v3 blocks even more with the TYPE logo in the middle)

I'm not making this up. Check what I found when first working on the project.
And I doubt the mesh block that much airflow.
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