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Walker Direct-Fit SoundFX Mufflers
Muffler, SoundFX, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Aluminized, Chevy, Pontiac, Y VIN Code, Each
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Estimated Ship Date: Apr 30, 2026 Would you rather pick it up?
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Estimated Ship Date: May 11, 2026
Overview
Brand:
Manufacturer's Part Number:
18339
Part Type:
Product Line:
Summit Racing Part Number:
WLK-18339
UPC:
086387183390
Muffler Material:
Steel
Inlet Diameter (in.):
2.50 in.
Outlet Diameter (in.):
2.50 in.
Inlet Quantity:
1
Outlet Quantity:
1
Electronic Valve:
No
Inlet Location:
Offset
Outlet Location:
Offset
Case Shape:
Oval
Reversible:
No
Muffler Color:
Natural
Muffler Finish:
Aluminized
Case Exterior Length (in.):
19.00 in.
Overall Length (in.):
23.00 in.
Thickness (in.):
4.250
Width (in.):
9.750 in.
Remanufactured:
No
Quantity:
Sold individually.
Notes:
Y VIN code. Will not fit vehicles with 2.25 inch exhaust.
Walker Direct-Fit SoundFX Mufflers
Walker Direct-Fit SoundFX mufflers provide a quality repair alternative—at a competitive price. These OE-style exhausts feature an internal design with two tubes and two partitions for premium performance and acoustics. The 100 percent aluminized steel construction ensures longer life and a professional appearance. SoundFX mufflers are offered in a variety of shapes, lengths, and inlet/out diameters and quantities for fitment on thousands of vehicle applications.
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