Originally posted by felixthecat
id say your air/fuel ratio is just a bit *pinches his fingers together*off man...those shouldn't be red like that...if thats how hot it gets in the headers,think how hot the exhaust way is...not good for a motor man....im thinkin that maf conversion isn't sorted out yet...id bet that your running way too lean at high rmp's...better check that out
in fact most cars' headers will glow if you contrinuosly ramming it.
they glowed when i had my stock headers, my E35 520i glows.
it's not the a/f. if you richen it, it'll still glow, cos that's just how hot the exhaust it.