I want to get headers for my nissan altima but i was wondering if i wud still pass my smog test with it on

Asked by lpablo Mar 24, 2013 at 06:21 PM about the 2003 Nissan Altima 2.5

Question type: Car Customization

2 Answers
177,545

tenspeed answered 11 years ago

It should pass unless you remove the catalytic converters. Headers aren't dirty. They just let gasses flow smoother.

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