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      07-07-2010, 04:25 PM   #32
Drives: 2013 LRP M3 Coupe
Join Date: Jan 2009
Location: Quincy, MA

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2013 BMW M3  [4.67]
Originally Posted by Sleeper519 View Post
It's the UNSPRUNG weight loss that is significant, IMHO. I don't get a hard-on over losing 40 lbs on an exhaust, but I DO think shedding 3-5 lbs per corner pays dividends in the handling department. They say 1 lb of unsprung wt is worth 5 or 10 lb of curb wt, or something like that...
1:5 or 1:10 is a common misconception.. it's more like 1:2 worst case.. so saving 3-5 lbs of unsprung weight is like saving 6-10 lbs of curb weight worst case..
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