CHEVROLET IMPALA Exhaust

Muffler, Quiet-Flow 3, 2 1/4 in. Inlet/2 in. Outlet, Steel, Aluminized, Buick, Cadillac, Chevy, Each

Part Number: WLK-21111

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Nov 28, 2025 if ordered today

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Ultra EPA Catalytic Converter

Part Number: WLK-16896

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Mufflers-Quiet-Flow

Part Number: WLK-22126

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Exhaust Manifolds, Cast Iron, Natural, Rear, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: ATP-101274

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Exhaust Manifolds, Cast Iron, Natural, Left, Front, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: ATP-101275

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Exhaust Manifolds, Cast Iron, Natural, Right, Chevrolet, GMC, Each

Part Number: ATP-101098

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Exhaust Manifolds, Cast Iron, Natural, Right, Buick, Cadillac, Chevrolet, Pontiac, Each

Part Number: ATP-101085

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Catalytic Converter, Stainless Steel, Universal, 2.5 in. Inlet/Outlet, 18 in. Length, Each

Part Number: WLK-15142

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 28, 2025 if ordered today

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Muffler, Premium Pro-Fit, 2 in. Inlet/2 3/8 in. Outlet, Steel, Aluminized, Each

Part Number: WLK-17812

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Mufflers-Quiet-Flow

Part Number: WLK-22104

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Muffler, Quiet-Flow SS, Oval, Stainless Steel, Natural, Driver Side, Chevy, Each

Part Number: WLK-21750

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Catalytic Converter, Walker CalCat Direct Fit Converter

Part Number: WLK-84355

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Converter-CalCat-Direct Fit

Part Number: WLK-84178

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Estimated Ship Date: Nov 28, 2025 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: Nov 28, 2025 if ordered today

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12-13 Chevy Impala 6 cyl., 3.6L Engine

Part Number: APH-38023

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 25, 2025 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, L4, V6, V8, Each

Part Number: APH-2976

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Estimated Ship Date: Nov 25, 2025 if ordered today

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Headers, Mid-Length, 304 Stainless Steel, Natural, Chevy Small Back, Pair

Part Number: HED-62600

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 26, 2026 if ordered today

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CalCat CARB Catalytic Converter

Part Number: WLK-81327

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Estimated Ship Date: Dec 1, 2025 if ordered today

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MANIFOLD HEAT SHIELD

Part Number: NAL-12646199

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Estimated Ship Date: Mar 6, 2026 if ordered today

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Converter-CalCat-Direct Fit

Part Number: WLK-84597

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Estimated Ship Date: Dec 1, 2025 if ordered today

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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-82617

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Converter-CalCat-Direct Fit

Part Number: WLK-84599

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Estimated Ship Date: Dec 1, 2025 if ordered today

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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-82904

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Catalytic Converters, Universal, Stainless Steel Case, 2.500 in. Slip Fit Inlet/Outlet, 13.500 in. Overall Length, Each

Part Number: WLK-84500

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Estimated Ship Date: Dec 1, 2025 if ordered today

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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: Dec 1, 2025 if ordered today

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