Under the headers is the way to go. Can't even see them. I have all 90's for plug boots except for #6. That is a slightly bent straight boot. Happy wiring
Same here, under is cleaner and less chance of heat damage at least on my junk w/fender-wells............
72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....