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: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Walker Direct-Fit Y-Pipes 40295

Exhaust Y-Pipe, Replacement, Chevy, Small Block, Each

Part Number: WLK-40295

4.21 out of 5 stars ( 34 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Walker Direct-Fit Y-Pipes for 1987-1995 F-350, F-250, 1987-1996 F-150 - 45166

Exhaust Converter Pipe, Steel, Aluminized, Ford, 4.9L/300, Each

Part Number: WLK-45166

3.89 out of 5 stars ( 28 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

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: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

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: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

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: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

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: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

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: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Walker Exhaust Intermediate Pipes for 1983-1992 CAMARO, FIREBIRD - 47638

Intermediate Pipe, Steel, Aluminized, 2.50 in. Outside Diameter, Chevy, Pontiac, V6/V8, Each

Part Number: WLK-47638

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

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: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

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: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

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: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

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: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

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: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Walker Quiet-Flow 3 Steel 2 Inch Muffler 21314

Muffler, Quiet-Flow 3, 2 in. Inlet/1 13/16 in. Outlet, Steel, Aluminized, Chevy, Each

Part Number: WLK-21314

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

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: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

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: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

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 Direct-Fit Tailpipes for 1976-1981 CJ5, CJ7 - 43704

Tailpipe, Driver Side, Steel, Aluminized, 2.25 in. O.D., Jeep, Each

Part Number: WLK-43704

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Walker Quiet-Flow 3 Steel 2.5 Inch Muffler 21784

Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/2 in. Outlet, Steel, Aluminized, Chevy, GMC, Pontiac, Each

Part Number: WLK-21784

4.85 out of 5 stars ( 13 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

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 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 Exhaust Intermediate Pipes for 1986-1990 CAMARO, FIREBIRD - 46669

Intermediate Pipe, Steel, Aluminized, Chevy, Pontiac, Each

Part Number: WLK-46669

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

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: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

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

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