GANGSTA New Member Sep 23, 2006 #1 can i just cut off the 2" collector off my 4-2-1 DC header and weld a 2.5" collector like the jdm DC header?
can i just cut off the 2" collector off my 4-2-1 DC header and weld a 2.5" collector like the jdm DC header?
phunky.buddha Mad scientist Moderator VIP Sep 23, 2006 #2 You can, but you won't gain much- everything leading into the 2.5" collector is larger, not just the opening.
You can, but you won't gain much- everything leading into the 2.5" collector is larger, not just the opening.
