I thought I would throw in my 2 cents...I have the 2003 4.6is Dinan S3 package and have never regretted it. This is my second one since my first one met a stoned motorcyclist head on at 65 mph, so needless to say, I stripped all my Dinan stuff from my wrecked S3 and now have a spare supercharger and the rest of the Dinan gear which has come in handy. Though as I posted earlier today, it does present some tight working conditions when something goes a rye....but I do love it and it's my baby...

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2003 4.6is Dinan S3