Availability
BUICK Exhaust
Catalytic Converter, Direct-Fit Catalytic Converter
Part Number: MPE-5551221
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Cast Iron Exhaust Manifold - Includes Hardware and Gasket
Part Number: RNB-674-901
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Catalytic Converters, Universal, 2.50 in. Slip Fit Inlet/Outlet, Stainless Steel Case, Ceramic Honeycomb Substrate, 14.00 in. Overall Length, Each
Part Number: APH-608266
Not Yet Reviewed
Estimated Ship Date: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
Exhaust Tips, Single, Rectangular, Clamp-on, Steel, Chrome, Slant Cut, 2.25 in. Inlet Diameter, Buick, Pair
Part Number: OPG-S240222
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, 2.50 in. Slip Fit Outlet, 38.38 in. Overall Length, Buick, Oldsmobile, Pontiac, Each
Part Number: APH-642706
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Catalytic Converters, Universal, 2.50 in. Slip Fit Inlet/Outlet, Ceramic Honeycomb Substrate, 16.50 in. Length, Buick, Cadillac, Chevy, Dodge, Each
Part Number: APH-605006
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Muffler, OE Replacement, Steel, Aluminized, Buick, Chevy, GMC, Saturn, 3.6L, Each
Part Number: APH-2583
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Exhaust Manifold Hardware, Exhaust Manifold Mounting Hardware, Bolt/Spring, Each
Part Number: RNB-675-203BX
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Catalytic Converter, Stainless Steel, Buick, Pontiac, 38.375 in Length, 3.8L, Each
Part Number: CTO-4975
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Catalytic Converter, Stainless Steel, Universal, 2.5 in. Inlet/Outlet, 16.5 in. Length, Each
Part Number: CTO-9006
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 29.75 in. Overall Length, Buick, 3.8L, Each
Part Number: WLK-18907
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Catalytic Converter, Stainless Steel, Direct Fit, Buick, Chevy, Pontiac, 41.50 in. Length, 3.1, 3.4L, Each
Part Number: CTO-4850
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Catalytic Converter, EPA OBDII direct fit catalytic converter
Part Number: CTO-1468
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Catalytic Converter, Direct Fit, Stainless Steel, 17.00 in. Length, Buick, Chevy, Each
Part Number: CTO-1532
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Headers, Blackheart Super Competition, Long Tube, Steel, Temporary Black Paint, Buick, Chevy, Oldsmobile, Pontiac, LS Swap, Pair
Part Number: HOK-70101508HKR
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
AIR Check Valve, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: RNB-911-004
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Muffler, SoundFX, 2 1/4 in. Inlet/2 in. Outlet, Steel, Aluminized, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: WLK-18345
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 24.50 in. Overall Length, Buick, Chevrolet, Oldsmobile, Pontiac, Each
Part Number: WLK-18802
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 36.46 in. Overall Length, Buick, Chevrolet, Oldsmobile, Each
Part Number: WLK-18584
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Mufflers, MSL Maximum, Steel, Aluminized, Perforated Tube, Round Case, Rear Muffler, Buick, Chevrolet, Oldsmobile, Pontiac, Each
Part Number: APH-700196
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 13.00 in. Overall Length, Front Left, Buick, 3.6L, Each
Part Number: APH-641564
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Converter - Direct Fit EPA
Part Number: APH-641628
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 38.00 in. Overall Length, Rear, Buick, 2.0L, Each
Part Number: APH-644028
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 41.50 in. Overall Length, Buick, Chevrolet, Pontiac, Each
Part Number: APH-642525
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Muffler, MSL, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: APH-6573
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
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