what do I need for LT's
I believe the LT's will move the stock cat location, but ive never did an LS1.
BTW, the 02 extensiors are for the front 02's. The rear ones are the ones you can use the 02 simulators on or get tuned out.
Last edited by Optimus_Prime; Jan 28, 2007 at 01:25 PM. Reason: info
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Tune is desireable but is not absolutely nessecary, I would recommend some bosch O2 sensors they tend to lean things out from my experience..
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