9.0 Exhaust - Chassis  Type A/B/C/D/S
 
  • Headers
    • Readily available
    • Must be able to be purchased online new for $350.00 or less
       
  • Exhaust
    • Must use down spouts
    • Must exit minimum 6 inches past drivers compartment
    • Must not go  through passenger's compartment
    • May not exit through side of body
    • Exhaust
      • Trucks temporarily allowed to run with door exhaust must have proper fully baffled muffler and are subject to decibel meter testing. 103 @ 50 feet
         
  • Muffler Suggestions
    • Lobak #RCM-25-12-25 or #RCM - 30 -12-30
    • Schoenfield Part # sch63030 #83030  (added 7/21/2019)
    • Both  ends must be unmodified
    • Mufflers must be removable for inspection
    • Max ID is 3 inches
       
  • Optional mufflers
    • Unaltered OEM type stock muffler
      • Max inlet/outlet is 3 inches
      • Oval type only
      • Muffler must be removable for inspection