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TGX4776
05-08-2010, 04:05 PM
Does putting in an after market system (headers to muffler) cause the CEL to go off because of higher flow? and if so, what do you do about it?
05-08-2010, 04:16 PM
its hit and miss...if you do itll most likely be the p0420... and anothernord made a diy for it so youre set
TGX4776
05-08-2010, 04:27 PM
ok cool.