takayuki Posted January 11, 2012 Share Posted January 11, 2012 I have a opportunity to buy a 45mm header but is it too small for a 3.2L stroker L series motor? Or would 48mm headers be more suited? Quote Link to comment Share on other sites More sharing options...
Leon Posted January 12, 2012 Share Posted January 12, 2012 Read the exhaust sticky. Diameter and length depends on your goals, along with your cam profile. Quote Link to comment Share on other sites More sharing options...
takayuki Posted January 14, 2012 Author Share Posted January 14, 2012 duh!!! how did i miss that!! thanks... Quote Link to comment Share on other sites More sharing options...
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