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i will agree that the throttle response on my '00 S feels 'disconnected'; i've always attributed that to the e-gas. further, any improvement in throttle response does not necessarily mean that you are making more hp/torque. your car sounds like it is a lot for fun to drive, however.
to jd i would ask (a) the hp increase was where in the rpm range, and (b) any hp effect that a cat bypass pipe is +/- say 5 hp on a 200 hp vehicle; can any of us say that we can 'feel' a 2.5% change? there is a larger variation between two stock engines, or two engines at two different altitudes, or a hot vs cold engine, or a driver with a fat girlfriend vs a driver with a skinny girlfriend. and what effect does the audio component have on how you feel the power response (ie, it 'sounds' more powerful; the 'sound' makes you want to rev higher)?
all i know is what i've seen, and all dynos of aftermarket exhaust show a minor torque reduction at lower rpm (if they show lower rpm at all; often the dynos start at 3000 rpm).
not being argumentative; just being conversational and trying to distill the facts given the sometimes difficult nature of electronic conversation.
trk.
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