Spring rates

Jtmoney714

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I know everyone’s set up is different. But I’m fortunate enough to have powdercoated springs on my car and I need to change some things up. Anyone with and extreme Eco2 know what their front and rear spring rates are? Car has an ls and an s4. 

 
Have you tried calling Extreme and talking to Alan (Allen)? He should have the rates.

 
Have you tried calling Extreme and talking to Alan (Allen)? He should have the rates.
That’s my next call later today. But I was hoping to get a few people to chime in to see any variances. 

 
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