[mike131integra]

apexi n1 compatiable with Kamikaze header. would the header fit my exhust?

 

[NSX-SBLuEDC4]

WHAT ABOUT THE CAT THATS WHAT IS REALLY IMPORTANT....

 

[WhoaWhoaKaboom]

im assuming the header has a 2.5" outlet and the exhaust has a 2.33", you can make it fit, but it will bottle neck it a bit. you'd probably be better off either getting something with a 2.5" pipe or getting one made for you