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Okay, first off, I own a 07 Civic Si. I never said the r18 is stronger than the Si, I only said that turbo is more suitable for the r18.

Supercharging the r20, in my opinion, is a much better option for the si, only because it can only handle so much psi ( again, due to vtec). You'll blow your engine if you have too much pressure with turbo ( and also superchargers, but it's much safer with superchargers).

There's a reason why evos and imprezas can handle 20+ psi and our engines can't. Do not get me wrong, I love my car and engine in every way, but I am no bias to only my 07 Civic Si sedan.

I have spent a year debating on whether I should go turbo or sc, so don't think that I haven't done research on this. Turbo is doable on a r20, yes, I have never denied that.
Hey bro,
I'm looking to supercharg my R20A where can I find the supercharger kit or just the supercharger for the R20A motor?

Is there anyone in here selling one I'm interested
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