Availability
BUICK REGAL Exhaust
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 7/8 in. Primaries, 3 in. Collector, Spread Port, Automatic, Chevy, Pair
Part Number: SCH-187SP-3
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 3/4 - 1 7/8 in. Primaries, 3.5 in. Collector, Spread Port, Automatic, Chevy, Pair
Part Number: SCH-186VSP
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Control Duct Hose, Pre-Heater, Flexible, 1.750 in. Diameter, 18 in. Length, Each
Part Number: RNB-96022
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Exhaust Manifold, OEM Replacement, Cast Iron, Buick, Chevrolet, Pontiac, Each
Part Number: RNB-674-937
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Catalytic Converter, Stainless Steel, Universal, 2.25 in. Inlet/Outlet, 13 in. Length, Each
Part Number: MPE-91005
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Catalytic Converter, Stainless Steel, Universal, 2.50 in. Inlet/Outlet, 13 in. Length, Each
Part Number: MPE-91006
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
Catalytic Converter, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, 21.50 in. Length, 5.0, 5.7, 6.6L, Each
Part Number: MPE-93431
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Muffler, MSL, Steel, Aluminized, Buick, Chevy, GMC, Oldsmobile, Pontiac, V6, V8, Each
Part Number: APH-6540
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Exhaust Hanger Insulator, Rubber, Black, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: WLK-35182
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Headers, Street, Long Tube, Steel, Temporary Paint, Buick, Chevy, Oldsmobile, Pontiac, Small Block, Pair
Part Number: HED-68317
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
3800 DOWNPIPE - 2.5 INCH
Part Number: XPF-ZZ-GPDP-25-C
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Exhaust Manifold
Part Number: RNB-674-428
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 5/8 - 1 3/4 in. Primaries, 3 in. Collector, Automatic, Chevy, Pair
Part Number: SCH-185V
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Catalytic Converter, Stainless Steel, Universal, 2.282 in. Inlet/2.420 in. Outlet, 13.5 in. Length, Each
Part Number: WLK-15037
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Exhaust Manifold, Front, Cast Iron, Natural, Buick, Chevy, Oldsmobile, Pontiac, 3.8L, Each
Part Number: RNB-674-540
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 1/2 - 1 5/8 in. Primaries, 3 in. Collector, Manual, Chevy, Pair
Part Number: SCH-184VM
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Catalytic Converters, AP Exhaust Direct-Fit Catalytic Converters, Slip Fit, 2.50 in. Diameter Inlet/Outlet, Stainless Steel, Each
Part Number: APH-840006
Not Yet Reviewed
Estimated Ship Date: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
Air Injection Pump, Secondary, Electric, Buick, Chevrolet, Oldsmobile, Pontiac, Each
Part Number: ADO-215-414
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 3/4 in. Primaries, 3 in. Collector, Manual, Chevy, Pair
Part Number: SCH-186M-3
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Muffler, 2.00 in. Offset Inlet, 2.00 in. Offset Outlet, 23.00 in. Overall Length, Oval, Reversible, Steel, Natural, Universal, Each
Part Number: BRE-100-1780
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Muffler, OE Replacement, Steel, Aluminized, Buick, Chevy, Pontiac, Each
Part Number: APH-2261
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Exhaust Hangers, AP Exhaust Replacement Exhaust Insulators, Insulator, Rubber, 3.50 in. Length, Each
Part Number: APH-8202
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Catalytic Converter, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, 21.375 in., 3.8, 4.3, 4.9, 5.0, 5.7L
Part Number: MPE-93418
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Air Tube Gaskets, GM Genuine Parts Secondary Air Injection Pump Check Valve Gaskets, Composite Material, Buick, Chevy, GMC, Sold as a Pair
Part Number: ADO-12642943
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Exhaust Crossover Pipes, Steel, Aluminized, Buick, Cadillac, Chevrolet, Oldsmobile, Pontiac, Each
Part Number: APH-26059
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster