I've got the Mugen Showa suspension and Type S STB,
I love my setup! It rides just slightly firmer than stock, but now my SH handles better than I'm willing to push it!
I'm not planning on doing anything else to the suspension.
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Mugen: Header, Exhaust, Suspension, Thermostat, Fan Switch, Radiator Cap, MZ3X rims
JDM Type S: Air Chamber, Strut Tower Brace