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catalytic converters

  1. Powertrain & Driveline
    Hey guys, I’ve been looking into replacing my upstream cats and deleting my downstream cats. I’ve seen some other threads about doing this, but it always seems to end up with the Cali emissions hoopla and some mixed reviews of replacement cats. I’m from Arkansas, and until I see them bringing...
  2. Powertrain & Driveline
    Hi Everyone, Learn from my mistake. Always replace all coils when one goes bad, it will haunt you, read on... I had a misfire on the right bank due to a bad coil, which then ruined the right side primary cat, I replaced the coil and the cat (simple job but the clearances for tools makes it...
  3. Xterra Projects
    Before I ended up blowing my original motor I installed new CAT’s all the way around. Now that I’ve had the new motor put in I have a CEL for P0430... what the hell man.. is it time to replace all the o2 sensors now?! I wish I would have just deleted ALL 4 of these pain in the asses.. but...
  4. Product Reviews
    These guys are absolute crooks. Don't buy Catalytic converters from them. Their customer service is terrible. I tried being nice on the phone even after not receiving parts for 2 months. The guy just told me to send them back and see what happens... https://www.premierautoexhaust.com/
  5. General Xterra
    Hi everyone! I just got 2006 xterra with bad catalytic converters which is i need to replace them. So i was looking for catalytic converters at nissan and the others parts store but unfortunate everything's over priced to me 600 to 1000$ for single cats. And i found websites that they selling...
  6. Powertrain & Driveline
    I have been having intermittent engine misfires (at idle and running) on my 2005 Xterra Offroad (175k or 179k miles) since October. Here's some background. October: First engine misfire, blinking SES light. I took it to the mechanic I thought I was beginning to trust and they said it was the...
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