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Estimated Ship Date: Nov 9, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
3894
Part Type:
Product Line:
Summit Racing Part Number:
APH-3894
Item Number:
3998940
UPC:
085337218380
Muffler Material:
Steel
Inlet Diameter (in.):
4.00 in.
Outlet Diameter (in.):
4.00 in.
Inlet Quantity:
1
Outlet Quantity:
1
Electronic Valve:
No
Internal Construction:
Baffled
Inlet Location:
Center
Outlet Location:
Center
Case Shape:
Round
Reversible:
No
Muffler Color:
Natural
Muffler Finish:
Aluminized
Case Exterior Length (in.):
17.50 in.
Case Outside Diameter (in.):
7.00 in.
Overall Length (in.):
22.00 in.
Remanufactured:
No
Quantity:
Sold individually.
AP Exhaust TruckEx Mufflers
Those rare, quiet times on a truck or bus can be rather noisy when the muffler goes bad. AP Exhaust TruckEx mufflers fix the moaning or growling sounds coming from the exhaust while keeping fumes where they belong. AP Exhaust offers direct-fit and universal options for most truck and school bus applications. They are manufactured from high-quality aluminized steel or stainless steel for years of durability. For overall performance and peace of mind, upgrade to AP Exhaust TruckEx mufflers.
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Some parts are not legal for use in California or other states with similar laws / regulations
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