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      05-08-2009, 02:02 PM   #4
PunjabiM3
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India
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Drives: R8 5.2 6MT
Join Date: Mar 2008
Location: DFW

iTrader: (1)

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.
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2012 Audi R8 V10| 6MT| Suzuka Grey| Dallas Performance Stage 1.5 Twin Turbo| 817whp pump| 950whp on 109 octane| GMG springs| Klassen M52R| Etc
1996 Porsche 911 Turbo| Midnight Blue
2015 BMW X5 35d|Mineral White| Mocha
2017 BMW M3 ZCP| Mineral Grey