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Old 02-19-2013, 02:19 PM   #16
6th Gear Member
Join Date: Nov 2010
Location: Orangeville
Posts: 1,254
I fail to see what post cat bungs would accomplish. The ecu actually reads and uses these. Without a cat they would simply follow the pre cat sensors exactly. The ecu would throw a code, and likely enrichen the mixture throwing away all that good money. You would def need a tune to make the most of these.

Ya, it's a lot of money for questionable returns.
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