I have a Random Cat and I really like it. I noticed that my car accelerates a little quicker and my car responds better. For see the actual results, I will need to hit up a track and see if I have improved times. The only bad thing is that ever since I installed the new cat, I noticed that about 20 miles after I squeeze, my engine light comes on. I think the CEL light comes on because of the O2 sensor in the cat is reading that a lot of the hydrocarbons have not been converted into O2. I should check the CEL code when I get the CEL again.
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