Haldex Controller vs. stock??
<ul><li><a href="https://forums.audiworld.com/tt/threads/418580.phtml#1427326">for example:</a></li></ul>
As far as comparison to other mods... it is noticable and enjoyable. It is certainly much less noticable than suspension or a chip... On the other hand, it makes more difference and is a lot cheaper than a set of big wheels or a body kit... so it depends on where you want to put your money.
Have a look here for impressions:<ul><li><a href="https://forums.audiworld.com/tt/msgs/1653827.phtml">My Initial Review</a></li></ul>




