BUICK REGAL Exhaust

Catalytic Converter - Universal, OBDII California

Part Number: APH-840015

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Catalytic Converters, Direct-Fit, 2.50 in. Slip Fit Inlet/Outlet, Stainless Steel Case, 16.00 in. Length, Audi, Buick, Chevy, Dodge, GMC, Mazda, Each

Part Number: APH-840016

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Headers, Street, Long Tube, Steel, Black Ceramic Coated, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: HED-68413

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 18, 2025 if ordered today

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Headers, Street, Long Tube, Steel, Temporary Paint, Buick, Chevy, Oldsmobile, Pontiac, Small Block, Pair

Part Number: HED-68311

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 11, 2025 if ordered today

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Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 5/8 in. Primaries, 3 in. Collector, 604 Crate Engine, Chevy, Pair

Part Number: SCH-165CM

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Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 7/8 in. Primaries, 3.5 in. Collector, Stahl Flange, Manual, Chevy, Pair

Part Number: SCH-187MS

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Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 7/8 in. Primaries, 3.5 in. Collector, Spread Port, Manual, Chevy, Pair

Part Number: SCH-187MSP

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Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 3/4 - 1 7/8 in. Primaries, 3.5 in. Collector, 18 Degree Flange, Automatic, Chevy, Pair

Part Number: SCH-186V18

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Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 3/4 - 1 7/8 in. Primaries, 3.5 in. Collector, Spread Port, Manual, Chevy, Pair

Part Number: SCH-186VMSP

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Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 7/8 in. Primaries, 3.5 in. Collector, Manual, Chevy, Pair

Part Number: SCH-187M18

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Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 7/8 in. Primaries, 3 in. Collector, Automatic, Chevy, Pair

Part Number: SCH-187-3

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Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 7/8 in. Primaries, 3.5 in. Collector, Manual, Chevy, Pair

Part Number: SCH-187M

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Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 3/4 in. Primaries, 3.5 in. Collector, Chevy, Pair

Part Number: SCH-186LS1

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Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 5/8 - 1 3/4 - 1 7/8 in. Primaries, 3 in. Collector, Automatic, Chevy, Pair

Part Number: SCH-185V3

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Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 3/4 in. Primaries, 3.5 in. Collector, Manual, Chevy, Pair

Part Number: SCH-186M

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Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 5/8 - 1 3/4 in. Primaries, 3 in. Collector, Manual, Chevy, Pair

Part Number: SCH-185VM

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Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 3/4 - 1 7/8 in. Primaries, 3.5 in. Collector, Automatic, Chevy, Pair

Part Number: SCH-186V

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Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 3/4 - 1 7/8 in. Primaries, 3 in. Collector, Automatic, Chevy, Pair

Part Number: SCH-186V-3

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Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 3/4 - 1 7/8 in. Primaries, 3.5 in. Collector, Manual, Chevy, Pair

Part Number: SCH-186VM

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Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 7/8 in. Primaries, 3.5 in. Collector, 18 Degree Flange, Automatic, Chevy, Pair

Part Number: SCH-187-18

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Headers, Circle Track, Street Stock, 4-1 One-Piece, 1 7/8 in. Primaries, 3.5 in. Collector, Stahl Flange, Automatic, Chevy, Pair

Part Number: SCH-187S

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Exhaust, Crossover Pipe, Stainless Steel, Natural, 2.5 in. Pipe Diameter, Buick, Chevrolet, Olds, Pontiac, V6, Each

Part Number: RNB-679-003

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LHU REGAL O2 HOUSING/DOWNPIPE

Part Number: XPF-ZZLHUO2HPGSC

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3800 DOWNPIPE - 3 INCH WITH 2.

Part Number: XPF-ZZ-GPDP-3-C

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3800 DOWNPIPE - 3 INCH WITH 3

Part Number: XPF-ZZ-GPDP3C3EX

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