Make sure your local dealer has at least one 02 sensor in stock,there is a good chance one will get fubar when removing them. Put a small amount of anti seize on the 02 threads when re installing.
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2010 SS a6 with TSP VVT-3 cam,PRC ported heads,Yank 3200,Kooks and CAI inc. = +121 RWHP 1/4 mile 12.1 E.T. On P-Zero Tires.
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