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How have these worked out for you? Any additional modifications needed since?
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Tried two different straight stainless sets up front. Cel light immediately.
Some members using 90 degree units and having some luck already spent $150.00 on current sets that did not work so hesitate to spend another $100.00 for the 90 degree units.
some members welding the bung holes completely closed having some luck.
Tried two different straight stainless sets up front. Cel light immediately.
Someone correct me if I am wrong but I believe you only need to put the CEL fix devices on the "rear" O2 sensors....if you put them on the "front" the ECM will not be happy.
I removed my main cats and used Big Daddie's Garage Mini-Cat (straight with cat material) on the rear O2 sensors with no issues, no CEL.
You are correct. Rear o2's only. With the factory mufflers, how loud is wot with the front cats gone ? I don't mind some sound, but not that nasty raspy cut your muffler off sound.