Nissan Altima Forum banner
1-1 of 1 Results
  1. 3rd Generation Altima (2002-2006)
    I know there are a lot of postings on this subject, but my 03's(driverside) cat is going out and I'm wondering if I should get high flow cats or do a cat delete custom exhaust(I'm from Wyoming who doesn't require emissions). What are the pros and cons? Mostly looking for performance gain and...
1-1 of 1 Results