1 5/8 headers

12.7@108 26.99 tall street tires 340 727 3.23s spray 243@50 trapping in 2nd 3600 lbs
manifolds run 11s

You going to apologize for the red X when I test all this **** and show that big tube headers on low compression engine MAKES power IF you don’t kill it will *** backwards cam timing???