They look really wide for a truck chassis? I hope I'm seeing this wrong.

My '93 5.7 Ramcharger needed a Jeep Grand Cherokee exhaust manifold on the drivers side to clear the frame, they tried notching the frame but there wasn't enough room.

'68 Fury Convertible
'69 300 Convertible
'15 Durango 5.7 Hemi
'16 300 S Hemi