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Walker Dynomax School Bus/Tractor Mufflers


Dynomax
Walker Dynomax School Bus/Tractor Mufflers

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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 09/24/14
      289-22021
    Dynomax Exhaust TRACTOR MUFFLER
    $81.99
    Order Today Ships 09/24/14
      289-22027
    Dynomax Exhaust TRACTOR MUFFLER
    $74.99
    Order Today Ships 09/24/14
      289-22032
    Dynomax Exhaust TRACTOR MUFFLER
    $73.99
    Order Today Ships 09/24/14
      289-22039
    Dynomax Exhaust TRACTOR MUFFLER
    $92.99
    Order Today Ships 09/24/14
      289-22040
    Dynomax Exhaust TRACTOR MUFFLER
    $87.99
    Order Today Ships 09/24/14
      289-22043
    Dynomax Exhaust TRACTOR MUFFLER
    $60.99
    Order Today Ships 09/24/14
      289-22109
    Dynomax Exhaust TRACTOR MUFFLER
    $50.99
    Order Today Ships 09/24/14
      289-22438
    Dynomax Exhaust TRACTOR MUFFLER
    $53.99
    Order Today Ships 09/24/14
      289-22444
    Dynomax Exhaust TRACTOR MUFFLER
    $58.99
    Order Today Ships 09/24/14
      289-22658
    Dynomax Exhaust TRACTOR MUFFLER
    $87.99
    Order Today Ships 09/24/14
      289-22861
    Dynomax Exhaust TRACTOR MUFFLER
    $72.99
    Order Today Ships 09/24/14

    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 09/24/14

    13 Products