Availability
BUICK Exhaust
Resonator, Round, Steel, Aluminized, 2.25 in. Center Inlet, 2.50 in. Center Outlet, Buick, Chevy, Pontiac
Part Number: WLK-21687
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
AP Exhaust OE Replacement Steel 2.5 Inch Muffler 3220
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026
Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Rear, 21.625 in. Overall Length, Buick, Chevy, GMC, Saturn, 3.6L, Each
Part Number: MPE-5592579
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, Stainless Steel, Buick, Chevy, Pontiac, 5.3L, Center, Each
Part Number: MPE-49225
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, Stainless Steel, Each
Part Number: MPE-49221
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Buick, Pontiac, 3.8L, Each
Part Number: MPE-5461227
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Headers, Tri-Y, Steel, High Temperature Black Paint, Buick, Chevy, Oldsmobile, Pontiac, Pair
Part Number: DOU-D370Y-B
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Catalytic Converter, Stainless Steel, Universal, 2.25 in. Inlet/Outlet, 16 in. Length, Each
Part Number: CTO-2505
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Muffler, MSL, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Each
Part Number: APH-700060
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Catalytic Converter, California Grade, Universal, Stainless Steel Case, 16.000 in. Overall Length, 2.000 in. Inlet/Outlet, Each
Part Number: MPE-448304
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Exhaust System, 3.0 in., Street Pro, Crossmember Back, 409 Stainless Steel, Natural, X-Pipe, Street Pro Mufflers, G-Body, Kit
Part Number: PYE-SGG913SE
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Exhaust Systems, Crossmember Back w/X-Pipe, 78-88 GM G-Body Split Rear Dual Exit 2.5 in Intermediate
Part Number: PYE-SGG910E
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Catalytic Converter, Stainless Steel, Universal, 2.5 in. Inlet/Outlet, 16 in. Length, Each
Part Number: CTO-2506
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Catalytic Converter, EPA OBDII direct fit catalytic converter
Part Number: CTO-1474
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Exhaust Manifolds, Cast Iron, Natural, Rear, Buick, Chevrolet, Oldsmobile, Pontiac, 3.1L, Each
Part Number: ATP-101129
Not Yet Reviewed
Estimated Ship Date: Apr 1, 2026 if ordered today
Estimated Ship Date: Apr 1, 2026 if ordered today
Catalytic Converter, Universal, 13.250 in. Length, 2.250 in. Inlet and Outlet, Each
Part Number: MPE-5451305
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Resonator, Aluminized, Steel, Each
Part Number: WLK-55275
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Exhaust Manifolds, Cast Iron, Natural, Rear, Buick, Chevrolet, Oldsmobile, Pontiac, Each
Part Number: ATP-101274
Not Yet Reviewed
Estimated Ship Date: Apr 1, 2026 if ordered today
Estimated Ship Date: Apr 1, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Stainless Steel Case, 58.00 in. Overall Length, Rear, Buick, Chevrolet, 2.0L, Each
Part Number: APH-644196
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Muffler, Quiet-Flow Series, 2.500 in., Inlet, 2.500 in. Outlet, Buick, Chevy, GMC, Olds, L6, Each
Part Number: WLK-21409
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Catalytic Converters, Catco Federal/EPA Direct-Fit Catalytic Converter, Stainless Steel, Buick, Each
Part Number: CTO-4916
Not Yet Reviewed
Estimated Ship Date: Apr 1, 2026 if ordered today
Estimated Ship Date: Apr 1, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 12.75 in. Overall Length, Front Right, Buick, Each
Part Number: APH-641445
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
MANIFOLD PRESSURE SENSOR
Part Number: HLN-2MAP6002
Not Yet Reviewed
Estimated Ship Date: Apr 1, 2026 if ordered today
Estimated Ship Date: Apr 1, 2026 if ordered today
Catalytic Converters, Direct-Fit, 3.33 in. Flare Inlet, Stock Flange Outlet, Ceramic Honeycomb Substrate, 14.00 in. Length, Front, Buick, Chevy, Each
Part Number: APH-644075
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 41.00 in. Overall Length, Rear, Buick, Chevrolet, Each
Part Number: APH-644102
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Catalytic Converter, Federal / EPA Catalytic Converter - Direct Fit
Part Number: CTO-5308
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
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