As we all know 2001-2003 Civics look all the same, besides little changes such as only 3 light up guages instead of 4 in the 2003 civic....anyways does anyone know if the engine codes and engine setup is the same for 2001/2002/2003 civics? basically what I mean is...are you able to buy a 2001 or 2002 AEM CAI for a 2003...and other mods also that apply Headers, exhaust etc...thanx

 
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from what i understand the engine compartment is the same. so yes all bolt ons should work.