2000 Mufflers

Muffler, Replacement, 5.0 in. Inlet/5.0 in. Outlet, 51.0 in. Length, Steel, Aluminized, Bluebird School Bus

Part Number: WLK-22920

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

Walker Noisebreaker Universal Muffler

Part Number: WLK-22980

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

• Free Shipping

Muffler, Mega-Flow, Round, Chambered, Steel, Aluminized, 5 in. Center Inlet and Outlet, 51 in. Length, Each

Part Number: WLK-22963

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Oversize $7.99
• Special Order

Muffler, TruckEx, Steel, Aluminized, Blue Bird, 5.9, 6.6, 7.2, 8.3L, Each

Part Number: APH-3712

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Drop Ship
• Special Order

Muffler, TruckEx, Oval, 4.00 in. Offset Inlet, 5.00 in. Offset Outlet, Each

Part Number: APH-4240

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Walker Heavy Duty Muffler

Part Number: WLK-22962

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order