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      10-06-2012, 11:58 AM   #3
jannisa's Avatar

Drives: Z4 Sdrive35i
Join Date: Jun 2009
Location: Greece - IMF

iTrader: (0)

I have tried both ways but my verdict is that they are expensive for a reason.

If I were you I would either buy a full slip on system and I prefer supersprint over eisenmann but you could just modify your existing exhaust and you will love it :

Have your secondary cats deleted - easy and very very cost efficient, a great mod for the rubles - and if you don't like your exhaust tips change them with the ones from the X5 which are 90mm over your 76, or if you prefer a quad appearance try to source some aftermarket twin tips.