| Message | TwinZ is more polished, better fit, better curves etc. It's prettier in the way that newer cars that come with fake diffusers molded in look good. I think the functionality of the DA diffuser is rather dubious, but it has the look of a functioning diffuser more than the TwinZ. It has a more race-like look to it, and that can be attractive on cars that are styled that way. I think either could be considered somewhat of a poser part. The TwinZ because doesn't even claim to be functional and the DA part because if it does function even a little it is probably just dumb luck. Faux-fusers are also in style right now, as can be seen by the fact that new cars (FR-s etc) are comming with them which begs the question of whether they will soon be out of style and we will all be wondering what we were thinking. 
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