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Walker Dynomax School Bus/Tractor Mufflers


Dynomax
Walker Dynomax School Bus/Tractor Mufflers

Product images may differ from actual product appearance.

Walker Dynomax School Bus Mufflers have been engineered for superior sound control and are able to handle the high heat of a full day of driving.

  • Heavy-gauge, all-aluminized steel for maximum durability
  • Straight through flow for minimum backpressure
  • Domed heads to shed moisture for increased life
  • Bridge-constructed inlets and outlets for vibration resistance
  • Internally-welded baffles to increase durability


  • 13 Products
      289-22020
    Dynomax Exhaust TRACTOR MUFFLER
    $86.99
    Order Today Ships 02/03/15
      289-22021
    Dynomax Exhaust TRACTOR MUFFLER
    $81.99
    Order Today Ships 02/03/15
      289-22027
    Dynomax Exhaust TRACTOR MUFFLER
    $74.99
    Order Today Ships 02/03/15
      289-22032
    Dynomax Exhaust TRACTOR MUFFLER
    $73.99
    Order Today Ships 06/03/15
      289-22039
    Dynomax Exhaust TRACTOR MUFFLER
    $92.99
    Order Today Ships 02/03/15
      289-22040
    Dynomax Exhaust TRACTOR MUFFLER
    $87.99
    Order Today Ships 02/03/15
      289-22043
    Dynomax Exhaust TRACTOR MUFFLER
    $60.99
    Order Today Ships 06/24/15
      289-22109
    Dynomax Exhaust TRACTOR MUFFLER
    $50.99
    Order Today Ships 02/03/15
      289-22438
    Dynomax Exhaust TRACTOR MUFFLER
    $51.99
    Order Today Ships 02/03/15
      289-22444
    Dynomax Exhaust TRACTOR MUFFLER
    $58.99
    Order Today Ships 05/11/15
      289-22658
    Dynomax Exhaust TRACTOR MUFFLER
    $87.99
    Order Today Ships 02/03/15
      289-22861
    Dynomax Exhaust TRACTOR MUFFLER
    $72.99
    Order Today Ships 02/03/15

    289-22865
    School Bus Muffler
  • Dual Offset Inlets-Single Offset Outlet / Inlet Diameter: 2-1/2"
  • Outlet Diameter: 3"
  • Shell Diameter: 8-3/8"
  • Shell Length: 29-3/4"
  • OAL: 36-1/4"
  • $77.99
    Order Today Ships 02/03/15

    13 Products