Quote:
Originally Posted by Roadcone
I've been asking for this since everything started. there's no proof that anything is better than anything else other than we said so. For all the testing that claims to have happened how have they not tried each header on the car and tuned it to see which does best and shared the results?
|
I looked into this further and it's pretty clear they have been tested and it trends toward more high end/less low end as you go from the 350 to the 150.