[RedShiftChris]

Sportline works good on a smooth roads with only 1 or 2 people in the car. Anytime you get a bad road and have more than a couple people in the car, it wants to bottom out bad and the ride is terrible. I don't recommend that spring really ever. I would recommend the Tein S.Tech (1.3" drop) or the Neuspeed Sport (1.6" drop) way before I'd recommend the Sportlines.
Chris

 

[RedShiftChris]

Understeer would come from high front rates and low rear rates but this is the other way around.

Stock si rate is 200 front 230 rear.... so the rsr at 170/420 is slightly crazy. Not sure why that is.... or why they would market it like that. Since lowering springs usually are not really very linear, its possible those rates are measured strangely ... but still it doesn't make sense.

Also rsr frankly is generic and I don't usually think there stuff is very special. This reinforces my thinking and I would not recommend them from what I can see so far.

Chris

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