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catalytic converter

  1. MagnaFlowDirect Fit Catalytic Converter or Raceline Performance Y pipe??

    3rd Generation Altima (2002-2006)
    So long story short, my car has been throwing me a P0420 code for a while and I knew my cat was ----ed. So I've been saving some money for a while to replace it and now I'm not sure if I should get the MagnaFlowDirect Fit Catalytic converter from AdvanceAutoParts or go with something that would...
  2. # of CATs and O2 Sensors Location

    Intake & Exhaust
    :smoke:Altima 2.5 - 2008 - Coupe Hello all I was doing some research on our forum, nonetheless I could not find a straight answer and at this point I am confused. I got a P0420 - CAT issues. I took my car to Midas and they said they needed to replace the two CATS and three oxygen sensors...
  3. Cat going bad

    Intake & Exhaust
    Yesterday my SES light came on, so today I took my car to get the code read. I found out that my cat is going bad and Nissan said that they would be charging $600-$700 for a new one. So I said HELL NO! to that. I saw Magnaflow cats going for about $100, but I was just seeing if anyone here has...
  4. 2002 Nissan Altima Engine Problems

    3rd Generation Altima (2002-2006)
    I have a 2002 Nissan Altima 2.5 S which I bought new. It has always has all recommended maintenance performed and all maintenance has been performed by the Nissan dealership. The other day the check service engine soon light came on soon after I started the car. A couple of times in the last few...