Finally got around to weighing my exhaust.
On the left is my street system...4" pipe w/ H crossover and Flowmaster one chamber race mufflers = 51 lbs. Lighter than I thought, lol.

On the right is my "race" system. A pair of 4" Dynomax race bullets = 19 lbs. total for the pair.

exhaust.jpeg
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax