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2018 CHEVROLET IMPALA Exhaust
Showing In Stock Items. Show All 35 Items.
Catalytic Converter, Universal, 3-Way Style, Stainless Steel, Each
Part Number: MPE-51205
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Exhaust Manifold Hardware, Black, Steel, Chevrolet, 5.7L, Kit
Part Number: FEL-ES75120
Not Yet Reviewed
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Catalytic Converters, Direct-Fit, Two Stock Flange Inlets, One Stock Flange Outlet, Ceramic Honeycomb Substrate, 55.25 in. Length, Buick, Chevy, Each
Part Number: APH-643138
Not Yet Reviewed
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Catalytic Converters, Universal, Stainless Steel Case, 2.500 in. Slip Fit Inlet/Outlet, 12.000 in. Overall Length, Each
Part Number: WLK-84206
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Catalytic Converters, Catco Federal/EPA Direct-Fit Catalytic Converter, Stainless Steel, Buick, Chevy, Each
Part Number: CTO-5073
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -
Part Number: RNB-674-048
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Catalytic Converter, Direct Fit, Stainless Steel, 12.50 in. Length, Chevy, Each
Part Number: CTO-1495
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Catalytic Converters, Universal, 2.25 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 14.00 in. Overall Length, Each
Part Number: APH-608265
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Header Flange, Mild Steel, 1/2 in. Thick, GM Ecotec, Each
Part Number: VPE-14630
Not Yet Reviewed
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Converter-EPA Ultra-Direct Fit
Part Number: WLK-16788
Not Yet Reviewed
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Catalytic Converter with Integrated Exhaust Manifold, Manifold Converter - Not Carb Compliant - Not For Sale -
Part Number: RNB-674-049
Not Yet Reviewed
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Exhaust Kit Replacement Chevrolet
Part Number: BRE-106-0955
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 16.00 in. Overall Length, Front Left, Buick, Cadillac, Chevrolet, Each
Part Number: APH-641476
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Exhaust Manifold Hardware Kit
Part Number: RNB-32110
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Substrate, 13.13 in. Overall Length, Front Right, Buick, Cadillac, Chevy, Each
Part Number: APH-641477
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Catalytic Converter 14-16 6 Cyl. 3.6L Engine, FWD, PZEV Emissions, Front Right
Part Number: CTO-1377
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Stainless Steel Case, 12.50 in. Overall Length, Front, Chevrolet, 2.5L, Each
Part Number: APH-641591
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Catalytic Converter 14-16 6 Cyl. 3.6L Engine, FWD, PZEV Emissions, Front Left
Part Number: CTO-1376
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Ultra EPA Catalytic Converter
Part Number: WLK-16896
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Exhaust Manifold
Part Number: RNB-674-479
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Catalytic Converter, Direct-Fit Catalytic Converter
Part Number: MPE-52901
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Preconverter
Part Number: RNB-679-545
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Catalytic Converter, OEM Grade, Federal/EPA Compliant, Direct-Fit, Front Position, 12.625 in. Overall Length, Chevrolet, 2.5L, Each
Part Number: MPE-52889
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Catalytic Converter Conv DF 2010-2012 LaCrosse V6 3 3.6 OEM Underbody
Part Number: MPE-52417
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
