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      11-09-2012, 12:13 PM   #49

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Drives: E92 M3s, R56 Cooper S
Join Date: Jun 2009
Location: EC

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Originally Posted by chriszeh View Post
better all around set up than the ast 4250?
The RS1 is a SA damper with an internal canister (adjust N2 pressure). I have no personal experience with the AST 4250 (or even the 4200; also I do not know if they have an internal adjustable canister?) but the AST is a DA damper...Harold is in a much better position to compare the two dampers. However, I just switched from a Moton DA damper to the RS1 and I've been extremely impressed with the performance and range of adjustment of the RS1. Harold is correct - the RS1 damper does have a "Jekyll and Hyde" personality