I am pretty dense - sorry for ignoring the title.
Okay, the sport flows only slightly less than the race based on the Eisenmann numbers, so power gains will be similar. The sport is also not as loud/raspy. I see the sport as the way to go if you want to make sure you are not annoyed by the louder and sometimes drone of the race exhaust.
Admission, after several months, just today I drove home from the local mechanic with the AR Design DPs installed - it made the Eisenmann sound much deeper and less annoying as we have the "race" version. Somehow, the droning is now gone and the mod makes me smile.
Last edited by Vintage; 01-16-2013 at 08:40 AM..
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