Originally Posted by Fatsix

If you don't have a DSC controller, order one first and try it with your stock setup before chaining springs. It will make your car flatter during braking, accelerating and cornering. Its will feel firmer but will also remove the harshness when going over expansion joints. I used to cringe going over the joints but now it's like butter. I was considering getting TechArt springs before I decided on coilovers. I read that are made by Eibach but have more refined spring rates. But seriously, you need the DSC right away. It is a game changer for 997s. Best $1200 spent on my car.