BUICK Exhaust

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: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Nov 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order
• 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

×

Catalytic Converter, Universal Catalytic Converter - 2.25in.

Part Number: MPE-448305

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, Universal Catalytic Converter - 3in.

Part Number: MPE-448309

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, Universal Catalytic Converter - 2.5in.

Part Number: MPE-448306

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, Direct-Fit Catalytic Converter

Part Number: MPE-52892

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Exhaust Systems, H-Bomb Header/Crossmember-Back, Stainless Steel, Natural, Turbo Pro Mufflers, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: PYE-SGA43T

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 10.50 in. Overall Length, Front Right, Buick, 3.6L, Each

Part Number: APH-644143

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 59.00 in. Overall Length, Buick, Pontiac, Each

Part Number: APH-643055

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter 10-11 6 Cyl. Buick LaCrosse, 3.6L Engine, Front Right

Part Number: CTO-5349

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Mid-Length, 304 Stainless Steel, Natural, Chevy Small Back, Pair

Part Number: HED-62600

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Elite Extreme-Duty, Long Tube, Steel, Black Ceramic Coated, Buick, Chevy, Oldsmobile, Pontiac, Small Block, Pair

Part Number: HED-67313

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Hot Rodz Engine Swap, Mid-Length, Steel, Silver Ceramic Coated, GM, A/G Body, Pair

Part Number: HED-68026

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Specialty and Engine Swap, Mid-Length, Steel, Silver Ceramic Coated, Buick, Chevy, Oldsmobile, Pontiac, Small Block LS, Pair

Part Number: HED-68546

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Long Tube, Steel, High Temperature Black Paint, Chevy, Pair

Part Number: DOU-D330-B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Tri-Y, Steel, High Temperature Black Paint, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: DOU-D370Y-B

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Tight Tuck Shorty, Stainless Steel, Silver Ceramic, Street Rod, Buick V8, NailHead, Pair

Part Number: PTE-H8500-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Hdr Str Rod Lakstr Buick Nail Hd Ctd

Part Number: PTE-H8503-1

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converter, Walker CalCat Direct Fit Converter

Part Number: WLK-84355

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Conv DF 2018-2019 Chevrolet Traverse V6 OEM Underbody Front Rearward

Part Number: MPE-23-277

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 36.00 in. Length, Buick, Chevrolet, Pontiac, 5.3L, Each

Part Number: APH-642101

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, Ceramic Honeycomb Substrate, 59.00 in. Overall Length, Buick, Pontiac, Each

Part Number: APH-642981

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 57.75 in. Overall Length, Buick, Chevrolet, Pontiac, Saturn, Each

Part Number: APH-643029

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ultra EPA Catalytic Converter

Part Number: WLK-14764

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ultra EPA Catalytic Converter

Part Number: WLK-14797

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order