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Tispin · Dec 22nd, 2005, 08:56 AM

The big deal is where the power gains are added. 4-1 I believe adds more push on the top end, which is needed for the QR25. We don't really need any more low end power, it's easy enough already to peel out.

Dec 22nd, 2005, 08:56 AM	#2 (permalink)
Tispin Nissan Enthusiast Join Date: Aug 2005 Location: By some mountains in the middle of nowhere Posts: 62	The big deal is where the power gains are added. 4-1 I believe adds more push on the top end, which is needed for the QR25. We don't really need any more low end power, it's easy enough already to peel out.