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Which one? The upstream one is in the downpipe before the cat convertor and the downstream one is after the cat.________________________________________________________________________________________current status - No 3rd Gear synchro http://hometown.aol.com/ohshootuhh/www.Fast420A.com
Flame Red SRT-4 GT40,8.5:1 Built Shortblock, Brian Crower Stage 2 Cams, etc etc etc...