Availability
2004 GMC Walker Exhaust Exhaust
Mufflers, Direct Fit SoundFX, Steel, Aluminized, 29.000 in. Overall Length, Chevy, GMC, Each
Part Number: WLK-18823
Estimated Ship Date: Today
Estimated Ship Date: Today
Mufflers, Quiet-Flow SS, Stainless Steel, Aluminized, 28.000 in. Overall Length, Cadillac, GMC, Hummer, Each
Part Number: WLK-21431
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Tru-Fit Series, Steel, Aluminized, 2.50 in. Inlet/2.25 in. Outlet, Each
Part Number: WLK-18112
Estimated Ship Date: Today
Estimated Ship Date: Today
Tailpipe, Exhaust, Outside Diameter 2.625 in., Steel, Aluminized, Cadillac, Chevrolet, GMC, Each
Part Number: WLK-54382
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Quiet-Flow SS, Oval, Stainless Steel, Natural, 24 in. Length, Chevy, GMC, Each
Part Number: WLK-21481
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Intermediate Pipe, Steel, Aluminized Finish, 2.75 in. o.d., Chevy, GMC, 4.3L, 4.8L, 5.3L, Each
Part Number: WLK-54257
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Direct-Fit, Stainless Steel, Each
Part Number: WLK-55557
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Exhaust Tailpipe, Steel, Aluminized, 2.75 in. Diameter, Chevy, GMC, Each
Part Number: WLK-55187
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Cal-Cat Universal, 2.500 in. Slip Fit Inlet, 2.500 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each
Part Number: WLK-81918
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Mufflers, Direct Fit SoundFX, Steel, Aluminized, 28.000 in. Overall Length, Cadillac, Chevy, GMC, Each
Part Number: WLK-18957
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Chevrolet, GMC, Hummer, Each
Part Number: WLK-16481
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Muffler, Quiet-Flow 3, 2.625 in. Inlet/Outlet, Steel, Aluminized, Chevy, GMC, Each
Part Number: WLK-21423
Estimated Ship Date: Today
Estimated Ship Date: Today
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Slip Fit Outlet, Ceramic Honeycomb, Heat Flange, Chevrolet, GMC, Each
Part Number: WLK-53726
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Catco Federal/EPA Direct-Fit Catalytic Converters 9990
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026
Muffler, Quiet-Flow, Oval, Steel, Aluminized, 3.00 in. Offset Inlet/Outlet, 27.00 in. Overall Length, Each
Part Number: WLK-21522
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
AP Exhaust OE Replacement Steel 3 Inch Muffler 2548
Not Yet Reviewed
Estimated Ship Date: Apr 1, 2026
Catalytic Converter, Direct Fit, Stainless Steel, Chevy, GMC, Oldsmobile, Each
Part Number: WLK-50542
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, Direct-Fit, Stainless Steel, Each
Part Number: WLK-54423
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Catalytic Converter, Direct-Fit, Stainless Steel, Each
Part Number: WLK-16166
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Muffler, SoundFX, Oval, Steel, Aluminized, Buick, Chevy, GMC, Isuzu, Oldsmobile, 4.2L, Each
Part Number: WLK-18915
Estimated Ship Date: Today
Estimated Ship Date: Today
Tailpipe, Exhaust, Outside Diameter 2.625 in., Steel, Aluminized, Cadillac, GMC, Each
Part Number: WLK-55321
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Muffler, Tru-Fit Series, Steel, Aluminized, 2.75 in. Inlet/2.75 in. Outlet, Each
Part Number: WLK-18138
Estimated Ship Date: Today
Estimated Ship Date: Today
Exhaust Pipe, Intermediate Pipe, Steel, Aluminized, 2.75 in. O.D., Chevy, GMC, Each
Part Number: WLK-52216
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Resonator, Natural, Steel, Each
Part Number: WLK-55272
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Muffler, Quiet-Flow 3, 3 in. Inlet/2 1/2 in. Outlet, Steel, Aluminized, Chevy, GMC, Astro, Safari,
Part Number: WLK-21391
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
AP Exhaust OE Replacement Steel 2.75 Inch Muffler 2191
Not Yet Reviewed
Estimated Ship Date: Apr 1, 2026
Muffler, Quiet-Flow 3, 2 3/4 in. Inlet/2 3/4 in. Outlet, Steel, Aluminized, Chevy, GMC, Pickup, Each
Part Number: WLK-21356
Estimated Ship Date: Today
Estimated Ship Date: Today
Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 31.38 in. Overall Length, Chevrolet, GMC, Each
Part Number: WLK-18941
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
AP Exhaust MSL Maximum Steel 2.75 Inch Muffler 700254
Not Yet Reviewed
Estimated Ship Date: Apr 1, 2026
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