thomasjtsi Posted March 31, 2004 Report Share Posted March 31, 2004 Considering that the available aftermarket manifold back exhaust systems for the 1.5Gen Lumina/Monte's are so expensive, I opted to go with a custom setup. My only problem is finding a High Flow Cat that will not trip my check engine light. If anyone knows where I can get my hands on one, gimme a holla. Thanks!! Quote Link to comment Share on other sites More sharing options...
sonyman87 Posted April 1, 2004 Report Share Posted April 1, 2004 Jegs sells 02 simulators that can help with that problem they are ~40-50bux Quote Link to comment Share on other sites More sharing options...
mfewtrail Posted April 1, 2004 Report Share Posted April 1, 2004 Search for an OBD-II compliant catalytic converter similar to your stock one(does your Lumina have the o2 sensor placed in the cat or downstream of it?..either way, you can find unversal high-flow cats for the car). Quote Link to comment Share on other sites More sharing options...
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