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      05-08-2009, 01:02 PM   #4
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PunjabiM3's Avatar
Drives: R8 5.2 6MT
Join Date: Mar 2008
Location: Oro Valley, AZ

Posts: 1,774
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I am planning on doing the full high flow cats and midpipe upgrade to go along with my Eisenmann muffler. Dunno when I am going to do it though given all my expenses this year along with getting married in August. Why not just take it to a good muffler shop? The secondary cats have nothing to do with O2 sensor.
2012 Audi R8 V10, 6MT, Suzuka Gray, Larini Clubsport exhaust, Klassen M52R, GMG springs, Satin Black badges
2012 Audi A6 3.0T Prestige, Moonlight Blue
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