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Row M030 Struts

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I have a 99 996 C2 with 160,000 miles. Somewhere around 80,000 miles I replaced the springs / struts with the ROW M030 package.

I've been very happy with this, but now the front struts are showing their age. There's a knock when going slowly over bumps and a vibration that sets up on some highways.

My question involves replacing the struts without replacing the entire M030 kit. The spings and sway bars are fine, so I don't feel the need to spend dollars on them. But the struts alone (996 343 043 13) are twice the cost of the Bilstein sport (VN7-4613-M12) or Bilstein heavy duty (VN7-4612-M12) struts.

Other than a couple of days a year, the car is really used for everyday driving. Can I safely use the sport or heavy duty strut with the rest of the M030 kit? I'd like to preserve the ride height and obviously not create a dangerous situation. If it is ok, which of the 2 struts (sport or heavy duty) will better match the M030 kit? (the Bilsein web site says the sport is firmer and for a lowered car, but I wanted to hear your opinion)

Thanks in advance,


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