2003 Walker Exhaust | Summit Racing

Walker Quiet-Flow Steel 2.88 Inch Muffler 55311

Walker Quiet-Flow Muffler Assembly

Part Number: WLK-55311

2.5 out of 5 stars ( 2 )

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

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AP Exhaust Intermediate Pipes 54173

Not Yet Reviewed

Estimated Ship Date: May 20, 2026

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Walker CalCat Universal Catalytic Converters 82609

Catalytic Converter, Monolithic Catalyst Substrate, Audi, Chevy, Porsche, Saab, Toyota, Volkswagen, Each

Part Number: WLK-82609

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Walker CalCat Direct-Fit Catalytic Converters for 2003-2004 EXPEDITION - 83592

Converter-CalCat-Direct Fit

Part Number: WLK-83592

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Walker CalCat Direct-Fit Catalytic Converters for 2003-2004 EXPEDITION - 83552

Converter-CalCat-Direct Fit

Part Number: WLK-83552

3.0 out of 5 stars ( 1 )

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Walker Ultra Direct-Fit Catalytic Converters for 2001-2004 FRONTIER, XTERRA - 53346

Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-53346

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

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AP Exhaust Direct-Fit Catalytic Converters for 1999-2004 FRONTIER, 2000-2004 XTERRA - 642736

Not Yet Reviewed

Estimated Ship Date: May 20, 2026

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Walker Ultra Direct-Fit Catalytic Converters for 2000-2004 FOCUS - 52280

Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-52280

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

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AP Exhaust Direct-Fit Catalytic Converters for 2000-2004 FOCUS - 642719

Not Yet Reviewed

Estimated Ship Date: May 20, 2026

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Walker Quiet-Flow SS 409 Stainless Steel 2.25 Inch Muffler 53344

Muffler, Quiet-Flow SS, Direct-Fit, Stainless Steel, Aluminized, Lexus, Toyota, Each

Part Number: WLK-53344

4.5 out of 5 stars ( 2 )

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

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AP Exhaust OE Replacement Steel 2.25 Inch Muffler 2251

Not Yet Reviewed

Estimated Ship Date: May 20, 2026

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Walker Exhaust Catalytic Converters 14718

Ultra EPA Manifold Converter

Part Number: WLK-14718

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Walker Ultra Direct-Fit Catalytic Converters for 2002-2004 I35, 2002-2003 MAXIMA - 16210

Catalytic Converter, Direct Fit, Stainless Steel, Infiniti, 3.5L, Each

Part Number: WLK-16210

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Catco Direct-Fit Catalytic Converters for 2002-2004 I35, MAXIMA - 4368

Not Yet Reviewed

Estimated Ship Date: Today

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Walker CalCat Universal Catalytic Converters for 2000-2003 RAM 1500, RAM 2500, RAM 3500 - 81825

Catalytic Converter, Cal-Cat Universal, 2.250 in. Slip Fit Inlet, 2.250 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-81825

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Walker Quiet-Flow 3 Steel 2.25 Inch Muffler 53315

Muffler, Quiet-Flow 3, Oval, Steel, Aluminized, Buick, Pontiac, Each

Part Number: WLK-53315

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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AP Exhaust OE Replacement Steel 2.25 Inch Muffler 2301

Not Yet Reviewed

Estimated Ship Date: May 20, 2026

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Walker Resonators for 2003-2006 CAMRY - 47847

Walker Resonator Assembly

Part Number: WLK-47847

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Walker Heavy-Duty Stack Pipes for 1988-2005 FLD120 - 29403

Stack Pipe, Exhaust, Heavy-Duty, Angle Cut, Steel, Chrome, 5.00 in. Inlet I.D., 48.00 in. Length, Each

Part Number: WLK-29403

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Walker Quiet-Flow SS 409 Stainless Steel 2.63 Inch Muffler 21554

Walker Quiet-Flow SS Muffler

Part Number: WLK-21554

Not Yet Reviewed

Estimated Ship Date: May 28, 2026 if ordered today

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Estimated Ship Date: May 28, 2026 if ordered today

Walker Quiet-Flow SS 409 Stainless Steel 1.75 Inch Muffler 53517

Walker Quiet-Flow SS Muffler Assembly

Part Number: WLK-53517

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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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

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Walker Ultra Direct-Fit Catalytic Converters 55692

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

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Estimated Ship Date: May 29, 2026 if ordered today

Walker Direct-Fit Catalytic Converters for 2003-2011 ELEMENT - 84694

CalCat CARB Convert catalitic

Part Number: WLK-84694

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Walker Direct-Fit Tailpipes for 2000-2005 EXCURSION - 55365

Tailpipe, Direct Fit, Steel, Aluminized Finish, 3.0 in. Outside Diameter, Ford, 6.8L, Passenger Side, Each

Part Number: WLK-55365

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Walker Tailpipes for 2003-2011 ELEMENT - 54486

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

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AP Exhaust Intermediate Pipes 34905

Not Yet Reviewed

Estimated Ship Date: May 20, 2026

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Walker Ultra Direct-Fit Catalytic Converters for 2003-2004 EXPEDITION - 16550

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

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AP Exhaust Direct-Fit Catalytic Converters for 2003-2004 EXPEDITION - 645431

Not Yet Reviewed

Estimated Ship Date: May 20, 2026

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Walker Ultra Manifold Converters 16422

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

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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

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Walker CalCat Direct-Fit Catalytic Converters for 2003-2006 CROWN VICTORIA, TOWN CAR, 2003-2004 GRAND MARQUIS - 82699

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

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Estimated Ship Date: May 29, 2026 if ordered today

Walker Direct-Fit SoundFX Steel 2.5 Inch Muffler 28001

Mufflers-SoundFX

Part Number: WLK-28001

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Walker Quiet-Flow SS 409 Stainless Steel 2.25 Inch Muffler 56089

Muffler, Quiet-Flow SS, Oval, Stainless, Natural, 2.25 in. Offset Inlet, 2.125 in. Offset Outlet, Toyota, Each

Part Number: WLK-56089

4.0 out of 5 stars ( 2 )

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

AP Exhaust OE Replacement Steel 2.25 Inch Muffler 2412

Not Yet Reviewed

Estimated Ship Date: May 20, 2026

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Walker Quiet-Flow 3 Steel 2 Inch Muffler 21354

Muffler, Quiet-Flow 3, 2 in. Inlet/2 in. Outlet, Steel, Aluminized, Ford, Each

Part Number: WLK-21354

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

2003 Walker Exhaust Parts and Accessories