Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededDYNOMAXPART NUMBER: 289-22866
Exhaust SCHOOL BUS MUFFLER
$15999
Ships on 09/14/2026
Lowest Price Guarantee- Dynomax Exhaust SCHOOL BUS 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 Height9.0
Package Width9.0
Package Length39.0
Weight24.5 PG
Part CategoryPerformance Parts
Case Outside Diameter8.375 in (212.725 mm)
Part FitmentUniversal
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
