Walker Exhaust Mufflers, Catalytic Converters, Exhaust Pipe & More

Founded in 1908, Walker has been a leader in muffler and exhaust design since the 1930s. Summit Racing carries a variety of Walker Exhaust parts, including mufflers,...

Founded in 1908, Walker has been a leader in muffler and exhaust design since the 1930s. Summit Racing carries a variety of Walker Exhaust parts, including mufflers, catalytic converters, exhaust tubing, exhaust tips, and everything needed for installation. Add power and performance to your ride with Walker Exhaust parts from Summit Racing today!

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Walker Ultra Direct-Fit Catalytic Converters 50497

Catalytic Converter, Ultra Direct-Fit, Stock Flange, Two Inlets, One Outlet, Stainless Steel, Ceramic Honeycomb, Chevrolet, GMC, Each

Part Number: WLK-50497

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Walker CalCat Direct-Fit Catalytic Converters 83482

Catalytic Converter, Direct Fit, Stainless Steel, Cadillac, Chevy, GMC, Each

Part Number: WLK-83482

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Walker Ultra Direct-Fit Catalytic Converters 50490

Catalytic Converter, Direct Fit, Stainless Steel, Ceramic, Chevrolet, GMC, Each

Part Number: WLK-50490

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Walker Ultra Direct-Fit Catalytic Converters 50410

Catalytic Converter, Direct-Fit, Stainless Steel, Cadillac, Chevy, GMC, 5.7L, Each

Part Number: WLK-50410

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Walker Direct-Fit Catalytic Converters 50300

Catalytic Converter, Direct Fit, Passenger Side Front, Stainless Steel Case, Heat Shield, Chevy, GMC, Each

Part Number: WLK-50300

4.36 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Walker Ultra Direct-Fit Catalytic Converters 50469

Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-50469

3.74 out of 5 stars ( 19 )

Estimated Ship Date: Today

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Walker CalCat Universal Catalytic Converters 83402

Catalytic Converter, CalCat Universal, One Inlet, 2.25 in., One Outlet, 2.25 in., Stainless Steel, Ceramic Honeycomb, Each

Part Number: WLK-83402

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Walker Ultra Direct-Fit Catalytic Converters 50511

Catalytic Converter, Direct-Fit, Stainless Steel, Chevy, GMC, 4.8, 5.3L, Each

Part Number: WLK-50511

4.39 out of 5 stars ( 28 )

Estimated Ship Date: Today

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Walker CalCat Universal Catalytic Converters 83403

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-83403

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Walker Super Converters 15038

Catalytic Converter, Stainless Steel, Universal, 2.5 in. Inlet/Outlet, 14 in. Length, Each

Part Number: WLK-15038

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Walker CalCat Direct-Fit Catalytic Converters 81961

Catalytic Converter, Direct-Fit, Stainless Steel, Chevy, GMC, Each

Part Number: WLK-81961

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Walker Ultra Direct-Fit Catalytic Converters for 2010-2017 TERRAIN, EQUINOX, 2012-2015 CAPTIVA SPORT - 16796

Converter-EPA Ultra-Direct Fit

Part Number: WLK-16796

Not Yet Reviewed

Estimated Ship Date: Today

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Walker Ultra Direct-Fit Catalytic Converters 50462

Catalytic Converter, Direct Fit, Stainless Steel, Chevy, GMC, 4.8, 5.3L, Each

Part Number: WLK-50462

4.59 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Walker Ultra Direct-Fit Catalytic Converters for 2009-2014 EXPEDITION, F-150, NAVIGATOR - 50567

Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Ford, Lincoln, Each

Part Number: WLK-50567

Not Yet Reviewed

Estimated Ship Date: Today

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Walker Ultra Direct-Fit Catalytic Converters 50566

Catalytic Converter, Direct Fit, Stainless Case, Chevy, GMC, Each

Part Number: WLK-50566

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Walker CalCat Universal Catalytic Converters 83401

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-83401

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Walker CalCat Direct-Fit Catalytic Converters for 2001-2004 SEQUOIA - 83454

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

Part Number: WLK-83454

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Walker Ultra Direct-Fit Catalytic Converters for 2008-2012 XD - 47848

Catalytic Converter, Ultra Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Scion, Each

Part Number: WLK-47848

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 83509

Catalytic Converter, Cal-Cat Universal, 3.000 in. Slip Fit Inlet, 3.000 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-83509

Not Yet Reviewed

Estimated Ship Date: Today

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Walker Ultra Direct-Fit Catalytic Converters for 2011-2018 1500, 2019 1500 CLASSIC, 2009-2010 RAM 1500 - 50363

Catalytic Converter, Ultra Direct Fit, 3.000 in. Inlet Diameter, Stock Flange Inlet, Slip Fit Outlet, Ceramic Honeycomb, Dodge, Ram, Each

Part Number: WLK-50363

Not Yet Reviewed

Estimated Ship Date: Today

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Walker Ultra Direct-Fit Catalytic Converters for 2004-2008 GRAND PRIX, 2005-2009 LACROSSE - 54752

Catalytic Converter, Ultra Direct Fit, Stainless Steel, Buick, Pontiac, 3.8L, Each

Part Number: WLK-54752

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Walker CalCat Direct-Fit Catalytic Converters for 2003-2004 TUNDRA - 83460

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

Part Number: WLK-83460

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Walker CalCat Direct-Fit Catalytic Converters for 2004-2008 F-150, 2006-2008 MARK LT - 83463

Catalytic Converter, Cal-Cat Direct Fit, Stock Flange Inlet, Slip Fit Outlet, Ceramic Honeycomb, Ford, Lincoln, Each

Part Number: WLK-83463

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Walker CalCat Direct-Fit Catalytic Converters for 2008-2011 HHR - 84229

Catalytic Converter, Walker CalCat Direct Fit Converter

Part Number: WLK-84229

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Walker Ultra Direct-Fit Catalytic Converters for 2015-2020 F-150 - 52606

Converter-EPA Ultra-Direct Fit

Part Number: WLK-52606

Not Yet Reviewed

Estimated Ship Date: Today

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