2003 Walker Exhaust | Summit Racing

Walker Ultra Direct-Fit Catalytic Converters for 2002-2006 SIERRA 1500 HD, SILVERADO 1500 HD - 54899

Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Chevrolet, GMC, Each

Part Number: WLK-54899

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 Exhaust Intermediate Pipes 52332

Intermediate Pipe, Outside Diameter 3.000 in., Steel, Aluminized, Ford, Each

Part Number: WLK-52332

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 Intermediate Pipes 28820

Not Yet Reviewed

Estimated Ship Date: May 20, 2026

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Walker Exhaust - Collector Gaskets for 2003-2007 ACCORD, 2003-2011 ELEMENT, 2002-2006 RSX - 31744

Collector Gasket

Part Number: WLK-31744

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 Exhaust - Mufflers for 2001-2005 EXPLORER SPORT TRAC - 27267

SoundFX Exhaust Muffler

Part Number: WLK-27267

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 Direct-Fit Catalytic Converters for 2002-2005 CIVIC, 2002-2006 RSX - 84606

CalCat CARB Catalytic Converter

Part Number: WLK-84606

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 Exhaust Flange Gaskets 31658

Exhaust Flange Gasket, Graphite with Wire Mesh Core, Ford, Mercury, Nissan, Each

Part Number: WLK-31658

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 Flange Gaskets 8460

Not Yet Reviewed

Estimated Ship Date: May 20, 2026

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Walker Exhaust - Mufflers for 2001-2003 HIGHLANDER - 28016

SoundFX Exhaust Muffler

Part Number: WLK-28016

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 81843

Catalytic Converter, Cal-Cat Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Lexus, Toyota, Each

Part Number: WLK-81843

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 50056

Muffler, Quiet-Flow SS, Oval, Baffled, Stainless Steel, Aluminized, Dodge, Each

Part Number: WLK-50056

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 Intermediate Pipes 18122

Not Yet Reviewed

Estimated Ship Date: May 20, 2026

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Walker Exhaust Exhaust Flange and Donut Gaskets 31739

Hardware - Gasket

Part Number: WLK-31739

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 2003 F-150, 2004 F-150 HERITAGE - 54655

Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-54655

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 Exhaust Flange Gaskets for 1999-2009 9-5, 1995 AURORA - 31669

Exhaust Flange Gasket, Graphite with Wire Mesh Core, Oldsmobile, Saab, Each

Part Number: WLK-31669

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 1999-2003 PROTEGE, 2002-2003 PROTEGE5 - 82578

Catalytic Converter, Cal-Cat Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Mazda, Each

Part Number: WLK-82578

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 82637

Catalytic Converter, Ceramic Honeycomb Substrate, 16.250 in. Overall Length, Buick, Chevy, GMC, Olds, Pontiac

Part Number: WLK-82637

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 82615

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-82615

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 82712

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-82712

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Walker Exhaust Intermediate Pipes for 2003-2005 MONTE CARLO, IMPALA, 2005-2008 GRAND PRIX - 55270

Intermediate Pipe, Outside Diameter 2.250 in., Steel, Aluminized, Chevrolet, Pontiac, Each

Part Number: WLK-55270

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

AP Exhaust Intermediate Pipes 58454

Not Yet Reviewed

Estimated Ship Date: May 20, 2026

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Walker CalCat Universal Catalytic Converters for 2003 B3000, 1998-2002 B4000, 1998-2003 RANGER - 81801

Catalytic Converter, Cal-Cat Universal, 2.000 in. Slip Fit Inlet, 2.000 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-81801

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Walker Resonators for 2003-2006 SORENTO - 54572

Resonator, Steel, Natural, Kia, 3.5L, Each

Part Number: WLK-54572

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Walker Ultra Direct-Fit Catalytic Converters for 2002-2004 I35, 2002-2003 MAXIMA - 16209

Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-16209

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Catco Direct-Fit Catalytic Converters for 2002-2004 I35, 2002-2003 MAXIMA - 1079

Not Yet Reviewed

Estimated Ship Date: May 20, 2026

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Walker Ultra Direct-Fit Catalytic Converters 54403

Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-54403

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

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AP Exhaust Direct-Fit Catalytic Converters for 1997-1999 E-150 ECONOLINE, E-150 ECONOLINE CLUB WAGON, E-250 ECONOLINE - 645346

Not Yet Reviewed

Estimated Ship Date: May 20, 2026

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Walker Quiet-Flow SS 409 Stainless Steel 2.13 Inch Muffler 54378

Muffler, Quiet-Flow SS, Direct-Fit, Stainless Steel, Aluminized, Infiniti, Nissan, Each

Part Number: WLK-54378

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

AP Exhaust Intermediate Pipes 54168

Not Yet Reviewed

Estimated Ship Date: May 20, 2026

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Walker Ultra Direct-Fit Catalytic Converters for 2003-2004 ION - 53508

Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-53508

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

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AP Exhaust Direct-Fit Catalytic Converters for 2003-2004 ION - 642241

Not Yet Reviewed

Estimated Ship Date: May 20, 2026

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Walker Ultra Direct-Fit Catalytic Converters for 2003-2011 CROWN VICTORIA, GRAND MARQUIS, TOWN CAR - 54345

Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-54345

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Walker Ultra Direct-Fit Catalytic Converters for 2003-2011 CROWN VICTORIA, GRAND MARQUIS, TOWN CAR - 54346

Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-54346

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

2003 Walker Exhaust Parts and Accessories