2004 CHEVROLET IMPALA Exhaust

Catalytic Converters, Universal, Stainless Steel Case, 2.250 in. Slip Fit Inlet/Outlet, 17.375 in. Overall Length, Each

Part Number: WLK-84502

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Estimated Ship Date: May 11, 2026 if ordered today

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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Chevy, 3.4L, Each

Part Number: MPE-5461532

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Estimated Ship Date: May 8, 2026 if ordered today

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Exhaust Systems, Performance, Cat-Back, 409 Stainless Steel, Polished Tips, Chevy, V6, Kit

Part Number: MPE-16729

5.0 out of 5 stars ( 2 )

Estimated Ship Date: May 11, 2026 if ordered today

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Catalytic Converters, Universal, 2.50 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 16.00 in. Overall Length, Each

Part Number: APH-608736

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Estimated Ship Date: May 7, 2026 if ordered today

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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Buick, Chevy, Pontiac, 3.8L, Each

Part Number: MPE-4561396

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Estimated Ship Date: May 7, 2026 if ordered today

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MANIFOLD PRESSURE SENSOR

Part Number: HLN-2MAP4003

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Estimated Ship Date: May 4, 2026 if ordered today

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Muffler, Quiet-Flow Series, 2.250 in., Inlet, 2.250 in. Outlet, Chevy, V6, Each

Part Number: WLK-21399

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Estimated Ship Date: May 11, 2026 if ordered today

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

Part Number: MPE-23405

4.5 out of 5 stars ( 2 )

Estimated Ship Date: May 7, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Direct Fit, Buick, Chevy, Pontiac, 41.50 in. Length, 3.1, 3.4L, Each

Part Number: CTO-4850

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Estimated Ship Date: May 8, 2026 if ordered today

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Catalytic Converter, Stainless Steel, Buick, Chevy, 3.1L, 3.4L, Each

Part Number: MPE-23433

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Estimated Ship Date: May 6, 2026 if ordered today

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Muffler, 2.25 in. Offset Inlet, 2.25 in. Center Outlet, 23.00 in. Overall Length, Oval, Reversible, Steel, Natural, Universal, Each

Part Number: BRE-100-7175

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Estimated Ship Date: May 11, 2026 if ordered today

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Exhaust Manifold Kit - Includes Required Hardware and Gaskets

Part Number: RNB-674-918

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Estimated Ship Date: May 11, 2026 if ordered today

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Catalytic Converter, Walker CalCat Direct Fit Converter

Part Number: WLK-84585

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Estimated Ship Date: May 11, 2026 if ordered today

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MANIFOLD PRESSURE SENSOR

Part Number: HLN-2MAP0259

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Estimated Ship Date: May 4, 2026 if ordered today

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Catalytic Converters, Universal, 2.25 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 16.00 in. Overall Length, Each

Part Number: APH-608735

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Estimated Ship Date: May 7, 2026 if ordered today

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Mufflers, Direct-Fit, 2.25 in. Inlet/Outlet, Steel, Aluminized, Oval Case, 16.50 in. Overall Length, Chevrolet, Each

Part Number: BRE-100-5388

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Estimated Ship Date: May 12, 2026 if ordered today

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Converter-CalCat-Direct Fit

Part Number: WLK-84597

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Estimated Ship Date: May 11, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 37.38 in. Overall Length, Buick, Chevy, Olds, Pontiac, Each

Part Number: APH-642583

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Estimated Ship Date: May 7, 2026 if ordered today

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Catalytic Converters, Universal, Stainless Steel Case, 2.500 in. Slip Fit Inlet/Outlet, 17.500 in. Overall Length, Each

Part Number: WLK-82618

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026 if ordered today

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Intermediate Pipes, Exhaust, Steel, Aluminized, 2.250 in. O.D., 20.50 in. Overall Length, Buick, Chevrolet, Pontiac, Each

Part Number: APH-122624

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Estimated Ship Date: May 8, 2026 if ordered today

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Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 41.50 in. Overall Length, Buick, Chevrolet, Pontiac, Each

Part Number: APH-642525

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Estimated Ship Date: May 8, 2026 if ordered today

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

Part Number: WLK-55270

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Estimated Ship Date: May 11, 2026 if ordered today

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Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-54627

5.0 out of 5 stars ( 6 )

Estimated Ship Date: May 11, 2026 if ordered today

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Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: WLK-54626

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Catalytic Converters, Universal, Single 2.50 in. Slip-fit Inlet/Outlet, AIR Tube, Stainless Steel Case, 12.250 in. Overall Length, Each

Part Number: APH-608416

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Estimated Ship Date: May 7, 2026 if ordered today

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