I was hoping you'd come proofread that for me
The STX cat rule is important because if lets you run MSDS headers and a high-flow cat, which is serious HP, and yes DSP was be a pretty serious exhuast - "full race" in ricerspeak, also big power. Good catch.
Thanks for the SM clarifications, I threw that in after I remembered all the 3.0L people, but I don't know that much about it. The CF hood/trunk thing is important, as is the 3.0L technicality. And the factory pickup points must be used for the suspension: it's Prepared that allows a MacPherson strut to double wishbone conversion explicitly.