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[bmstenner]

Ok,

I am not sure on the performance upgrade, but if you have this mod installed, when you put you're foot down, Trust me, you will get attention..

If you want performance, I would first look at putting a sports exhaust on, along with replacing the manifold with extractors, if you can get the flow of you're engine to a more high level, you would notice a 10-15% increase in power.