Exhaust TRACTOR MUFFLER
InfoVehicle Info Needed
DYNOMAXPART NUMBER: 289-21040

Exhaust TRACTOR MUFFLER

$5999
ShippingShips on 09/11/2026
Lowest PriceLowest Price Guarantee

    Dynomax Exhaust TRACTOR MUFFLER
    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
Part TypeMuffler
Product LineWalker Dynomax School Bus/Tractor Mufflers
BrandDYNOMAX
Package Height4.0
Package Width4.0
Package Length23.0
Weight3.0 PG
Part CategoryPerformance Parts
Case Outside Diameter3.25 in (82.55 mm)
Part FitmentUniversal
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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