Quote:
Originally Posted by 6spdhyperblue
mrc gets reprogrammed with the 1LE settings. Physically the shocks are the same part number between ss mrc and 1le.
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Yes, if you have a 2017 or newer SS with MRC, then you can buy the 1LE suspension kit and GM will reprogram your MRC for the new springs. The lowering kit accomplishes this by including shocks that are valved for the new springs for non-MRC cars. My point is, both methods are probably very close to each other, because both are lower/stiffer springs and changing of the damping to go with it.