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  1. B15 Sentra (2000 - 2006)
    Hey guys. Im having an issue with the spec v having a really rough idle at cold starts. But it only does it temporarily and then smooths out. I have tried cleaning out the injectors. The only thing that has changed lately was I deleted the second cat after it backed up on me and was pushing...
  2. B15 Sentra (2000 - 2006)
    im throwing a code on my 03 spec because my cat is either going out, or i think it might have trouble reading the 02s on my aftermarket headers..im sort of new to the forum so im sorry if this has been asked before, i searched and found nothing..if one of you could give me some insight or link...
  3. Naturally Aspirated (NA)
    I'm trying to put an exhaust on my car. originally i was just gonna go cat back, but after reading about the stock cat breaking up and going into the motor, i wanna go full exhaust. Here's what i'm planning: Ebay Header Megan midpipe w/resonator cat megan mo-e muffler all with 2.5 inch pipe...
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