I have a 93 chevy dually with a 454 bbc with a pro charger..4l80e trans with a gearvendor overdrive behind it..has 3" cross over into singer 3" pipe into a single inlet to duel outlet flow master that goes into a big flate converter looking muffle(i am thinking by it being at rear of truck then it is a resuranter but not sure there) it has 2 1/4" tail pipes comimg out of it but isnt factor outlets..got truck this way....truck is a monster when not hooked to trailer but when hooked to trailer it is a pig...anything i can do to get this truck to pull up the mountains in northen Nv. With my 38 foot chaparrel trailer...have trailer on here for sale thinking getting smaller lighter trailer but if can get my truck to tow it i would keep it because i really love the chaparral trailer and love to keep it
