I was looking at headers today and lets say for example the DC sports header was 400 and the R1 header was 200. They look exactaly the same, same bends and what not, so what makes one better than the other? Are the pipes larger in the DC for better flow or what? Im confused. :

 

welding mg vrs tg
coating ceramic, stainless steel etc...
brand name and the cost of marketing...

 

Okay say you were me, would you go with ITR header or DC sports header? Mind you I can get the ITR header for cheap. Well?

 

Come on.... ITR or DC???

 

mike, just get the dc jdm 4-1 like i told you