BUICK Exhaust

Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.875 in. Primary Tubes, 3.00 in. Outlet, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair

Part Number: AMH-S00260

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.875 in. Primary Tubes, 3.00 in. Outlet, G-Body, Olds Big Block, 1978-87, Pair

Part Number: AMH-S00599

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.625 in. Primary Tubes, 3.00 in. Outlet, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair

Part Number: AMH-S00259

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Estimated Ship Date: Today

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Catalytic Converter, Direct-Fit Catalytic Converter

Part Number: MPE-5551221

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Buick, Pontiac, 3.8L, Each

Part Number: MPE-5461227

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Estimated Ship Date: Nov 11, 2025 if ordered today

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• Mfr. Rebate

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 12/31/2025

Buy Converter and get up to $75 back after sending in your old one! Please visit www.magnaflow.com/pages/retailer-recycling-program ...Read More

Buy a Magnaflow Converter and get UP TO $75 back after sending in your old OEM one! Visit www.magnaflow.com/pages/retailer-recycling-program to begin the rebate redemption process. Valid on purchases made between 1/1/25 and 12/31/25. Open to legal residents of the 50 United States and District of Columbia. Only OE (original equipment) converters are eligible for a refund. Rebate will be in the form of a Visa Prepaid card. Please allow 4-6 weeks to receive rebate. Show Less

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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Front Forward, 14.875 in. Overall Length, Buick, Chevy, GMC, Saturn, Each

Part Number: MPE-5582445

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Estimated Ship Date: Nov 11, 2025 if ordered today

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• Mfr. Rebate

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 12/31/2025

Buy Converter and get up to $75 back after sending in your old one! Please visit www.magnaflow.com/pages/retailer-recycling-program ...Read More

Buy a Magnaflow Converter and get UP TO $75 back after sending in your old OEM one! Visit www.magnaflow.com/pages/retailer-recycling-program to begin the rebate redemption process. Valid on purchases made between 1/1/25 and 12/31/25. Open to legal residents of the 50 United States and District of Columbia. Only OE (original equipment) converters are eligible for a refund. Rebate will be in the form of a Visa Prepaid card. Please allow 4-6 weeks to receive rebate. Show Less

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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Buick, Pontiac, 3.4L, Each

Part Number: MPE-4551038

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Estimated Ship Date: Nov 11, 2025 if ordered today

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• Mfr. Rebate

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 12/31/2025

Buy Converter and get up to $75 back after sending in your old one! Please visit www.magnaflow.com/pages/retailer-recycling-program ...Read More

Buy a Magnaflow Converter and get UP TO $75 back after sending in your old OEM one! Visit www.magnaflow.com/pages/retailer-recycling-program to begin the rebate redemption process. Valid on purchases made between 1/1/25 and 12/31/25. Open to legal residents of the 50 United States and District of Columbia. Only OE (original equipment) converters are eligible for a refund. Rebate will be in the form of a Visa Prepaid card. Please allow 4-6 weeks to receive rebate. Show Less

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Headers, Long Tube, Stainless Steel, Natural, Buick, Chevy, Oldsmobile, Pontiac, LS Swap, Pair

Part Number: STW-CVLS1

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 if ordered today

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Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Buick, Chevy, GMC, Isuzu, Oldsmobile, 4.2L, Each

Part Number: MPE-5451217

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Estimated Ship Date: Nov 11, 2025 if ordered today

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• Mfr. Rebate

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 12/31/2025

Buy Converter and get up to $75 back after sending in your old one! Please visit www.magnaflow.com/pages/retailer-recycling-program ...Read More

Buy a Magnaflow Converter and get UP TO $75 back after sending in your old OEM one! Visit www.magnaflow.com/pages/retailer-recycling-program to begin the rebate redemption process. Valid on purchases made between 1/1/25 and 12/31/25. Open to legal residents of the 50 United States and District of Columbia. Only OE (original equipment) converters are eligible for a refund. Rebate will be in the form of a Visa Prepaid card. Please allow 4-6 weeks to receive rebate. Show Less

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Converter-CalCat-Direct Fit

Part Number: WLK-84596

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Headers, LS Engine Swap, Long Tube, Stainless Steel, Mill Finish, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: JBC-102081

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Headers, LS Engine Swap, Long Tube, Stainless Steel, Mill Finish, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: JBC-102191

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Headers, LS Engine Swap, Mid-Length, Stainless Steel, Satin Finish, Buick, Chevy, Oldsmobile, Pair

Part Number: JBC-101082

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Headers, LS Engine Swap, Mid-Length, Stainless Steel, Polished, Buick, Chevy, Oldsmobile, Pair

Part Number: JBC-101083

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Headers, LS Engine Swap, Mid-Length, Stainless Steel, Black Ceramic Coated, Buick, Chevy, Oldsmobile, Pair

Part Number: JBC-101085

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Headers, LS Engine Swap, Mid-Length, Stainless Steel, Polished, Buick, Chevy, Pontiac, Oldsmobile, Pair

Part Number: JBC-101013

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Headers, LS Engine Swap, Mid-Length, Stainless Steel, Silver Ceramic Coated, Buick, Chevy, Pontiac, Oldsmobile, Pair

Part Number: JBC-101014

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Headers, LS Engine Swap, Mid-Length, Stainless Steel, Satin Finish, Buick, Chevy, Pontiac, Oldsmobile, Pair

Part Number: JBC-101012

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 28, 2025 if ordered today

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Headers, LS Engine Swap, Mid-Length, Stainless Steel, Black Ceramic Coated, Buick, Chevy, Pontiac, Oldsmobile, Pair

Part Number: JBC-101015

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Headers, LS Engine Swap, Mid-Length, Stainless Steel, Silver Ceramic Coated, Buick, Chevy, Oldsmobile, Pair

Part Number: JBC-101084

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Catalytic Converters, Direct-Fit, Ceramic Substrate, 55.00 in. Overall Length, Buick, Chevrolet, GMC, Each

Part Number: APH-776771

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Estimated Ship Date: Tomorrow if ordered today

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Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.750 in. Primary Tubes, 3.00 in. Outlet, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair

Part Number: AMH-S00258

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Header, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.750 in. Primary Tubes, 3.00 in. Outlet, Buick, Chevy, GMC, Pontiac, SBC, Pair

Part Number: AMH-S00007

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 22, 2025 if ordered today

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Header, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.625 in. Primary Tubes, 3.00 in. Outlet, Buick, Chevy, GMC, Pontiac, SBC, Pair

Part Number: AMH-S00008

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Header, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.875 in. Primary Tubes, 3.00 in. Outlet, Buick, Chevy, GMC, Pontiac, SBC, Pair

Part Number: AMH-S00009

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 22, 2025 if ordered today

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