Eisenmann essentially make four versions of the rear box for our cars.
They come in a race and sport version. Neither is particularly aggressive, despite the use of the label 'race' on one, but the sport is closer to providing standard exhaust performance - quieter etc.
Both the race and sport versions come with either of the two tip sizes. The only difference is the size of the tip and, hence, the difference in tip size is purely cosmetic. The size and performance of the pipes comprising the rest of the box are exactly the same (ie for race or sport), regardless of which tip is specified.
I have the race version fitted to my 540i (with the smaller tips) and it has certainly provided a greater degree of presence, but not a lot of decibels, which is exactly what I wanted.
Cheers
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Originally Posted by madm5
The 83mm version is the race version which is louder, AFAIK they don't provide additional performance as the standard exhaust is so good. Reason for replacement is that you can get a stainless exhaust for less than the BMW original item. |
Yeah yeah I know - measure it yourself, but my car's been in the garage for the last 2 weeks. Guess i'll wait till it's out to measure the tailpipes.
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