Availability
2003 Walker Exhaust Parts and Accessories
Catalytic Converter, Ultra Manifold, Direct Fit, Stainless Steel, Chrysler, Dodge, Mitsubishi, 2.4L, Each
Part Number: WLK-16422
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
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AP Exhaust Direct-Fit Catalytic Converters 641207
Not Yet Reviewed
Estimated Ship Date: May 20, 2026
Catalytic Converter, Ultra Direct Fit, Slip Fit Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Ford, Each
Part Number: WLK-16550
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
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AP Exhaust Direct-Fit Catalytic Converters for 2003-2004 EXPEDITION - 645431
Not Yet Reviewed
Estimated Ship Date: May 20, 2026
Tailpipe, Exhaust, Outside Diameter 2.125 in., Steel, Aluminized, Honda, Each
Part Number: WLK-54486
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
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Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Ford, Each
Part Number: WLK-55692
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Catalytic Converter, Cal-Cat Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Ford, Lincoln, Mercury, Each
Part Number: WLK-82699
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Muffler, Quiet-Flow SS, Oval, Stainless, Natural, 2.0 in. Offset Inlet and Outlet, Ford, 2.0L, Each
Part Number: WLK-47775
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
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Mufflers-SoundFX
Part Number: WLK-28001
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Walker Quiet-Flow SS Muffler Assembly
Part Number: WLK-53517
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
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AP Exhaust OE Replacement Steel 1.75 Inch Muffler 7444
Not Yet Reviewed
Estimated Ship Date: May 20, 2026
Muffler, Quiet-Flow SS, Oval, Stainless, Natural, 2.25 in. Offset Inlet, 2.125 in. Offset Outlet, Toyota, Each
Part Number: WLK-56089
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
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AP Exhaust OE Replacement Steel 2.25 Inch Muffler 2412
Not Yet Reviewed
Estimated Ship Date: May 20, 2026
Muffler, Quiet-Flow 3, Steel, Aluminized, for use on Honda®, Isuzu, V6, 3.2L, Each
Part Number: WLK-54252
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
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AP Exhaust OE Replacement Steel 2.13 Inch Muffler 2450
Not Yet Reviewed
Estimated Ship Date: May 20, 2026
Intermediate Pipe, 1.50 in. O.D., Steel, Aluminized, Honda, Each
Part Number: WLK-47778
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Muffler, Quiet-Flow Series, 2.500 in., Inlet, 2.500 in. Outlet, Buick, Chevy, GMC, Olds, L6, Each
Part Number: WLK-21409
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
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Walker Quiet-Flow SS Muffler
Part Number: WLK-21553
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
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AP Exhaust OE Replacement Steel 3 Inch Muffler 2579
Not Yet Reviewed
Estimated Ship Date: May 20, 2026
Resonator, Aluminized, Steel, Each
Part Number: WLK-56039
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 35.75 in. Overall Length, Ford, Each
Part Number: WLK-18940
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
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AP Exhaust OE Replacement Steel 2 Inch Muffler 7452
Not Yet Reviewed
Estimated Ship Date: May 20, 2026
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Lexus, Each
Part Number: WLK-54867
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
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AP Exhaust Direct-Fit Catalytic Converters for 2000-2005 GS300, 2001-2005 IS300 - 642223
Not Yet Reviewed
Estimated Ship Date: May 20, 2026
Resonator, Steel, Natural, 2.00 in. Center Inlet/Outlet, Ford, Each
Part Number: WLK-56121
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
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Ultra EPA Manifold Converter
Part Number: WLK-14657
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Exhaust Flange Gasket, Composite, Lexus, Mazda, Toyota, Each
Part Number: WLK-31549
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
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Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Mitsubishi, Each
Part Number: WLK-16673
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Lexus, Each
Part Number: WLK-54666
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
AP Exhaust Direct-Fit Catalytic Converters for 2000-2005 GS300, 2001-2005 IS300 - 642223
Not Yet Reviewed
Estimated Ship Date: May 20, 2026
Tailpipe, Steel, Aluminized Finish, 2.25 in. o.d., Passenger Side, Chevy, GMC, 4.3L, RWD, Each
Part Number: WLK-55031
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
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Mufflers-SoundFX
Part Number: WLK-28005
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
SoundFX Direct Fit Muffler
Part Number: WLK-18963
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Tailpipe, Exhaust, Outside Diameter 2.625 in., Steel, Aluminized, Chevrolet, GMC, Each
Part Number: WLK-55470
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
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