header length affects the volumetric Efficiency of the engine (VE) at particular RPMS
Tq is directly related to VE.... correct?

bump

Bump

paypal sent... gonna be doing a before/after and re tune dyno with these , I will post results.. I'm not expecting miracles as I have full bolt ons already but I guess we'll see...

the designn if def a little different than fi too so I wonder which is better/worse.... these have more of a bend in the inner two runners...

I prob won't have them installed until late march tho. I wil post results asap though.

Damn you...haha.

Im excited to see the results!

in for dyno...