Originally Posted by KAUAI KANE
headers= V6 or higher
you have a
header= 4 banger or smaller
notice that yours is singular not plural

hfawk:
Not necessarily. Inline 4s have a header (singular), but you can have headers (plural) on a horizontally opposed 4 cylinder. I know they used to (and maybe still do) make headers for air-cooled VW engines, but I went with a JSC 4-1-2 on my vdub back in the day.