MAGNAFLOW 51906-AQ Catalytic Converter Gas Dohc 841380067876 3.9L V8

( Brand: Magnaflow ), ( Part Type: Converter ), ( Manufacturer Warranty: 1 Year ), ( Manufacturer Part Number: 51906-AQ ), ( Air Tube Adaptable: No ), ( Body Material: Stainless Steel ), ( Body Type: Clam-shell ), ( California Air Resources Board: Carb Certified ), ( Clamps Included: Yes ), ( Grade Type: Regular ), ( Heat Shield Material: Aluminized Steel ), ( Outlet Type: Clamp-on ), ( Overall Length: 55 In ), ( Oxygen Sensor Location: Pre Converter ), ( Series: Oem Grade ), ( Substrate Material: Ceramic ), ( Universal Or Specific Fit: Specific ), ( Country Of Origin: United States ), ( Ford Interchange: 4w6z-5f250-aa ), ( UPC: 841380067876 )

Review MAGNAFLOW Direct Catalytic Converter Ford 3.9l V8 Gas Dohc fits THUNDERBIRD 2004–2005

Introducing the MagnaFlow 51906-AQ Catalytic Converter, a high-performance upgrade for your 2004-2005 Ford Thunderbird with a 3.9L V8 gas DOHC engine. This catalytic converter is designed to provide superior performance, durability, and efficiency compared to the original equipment used in your vehicle.

The MagnaFlow 51906-AQ Catalytic Converter is engineered to meet or exceed original equipment manufacturer (OEM) emissions standards while delivering increased horsepower and torque. Its advanced design includes a 409 Stainless Steel substrate, which ensures strength and longevity, and a high-flow monolithic catalyst that allows for improved exhaust gas flow.

This catalytic converter also features a unique, patented Flow-Foam Technology. This advanced design uses a porous ceramic material to capture and store unburnt hydrocarbons, reducing emissions and improving overall combustion efficiency.

The MagnaFlow 51906-AQ Catalytic Converter is also designed for a direct fit installation, making it a convenient and easy upgrade for your Ford Thunderbird. It comes with all necessary hardware, including the OEM-style bolts and gaskets, for a hassle-free installation process.

Additionally, this catalytic converter is CARB (California Air Resources Board) and Federal EPA certified, ensuring that it meets the most stringent emissions standards in the United States.

Upgrading to the MagnaFlow 51906-AQ Catalytic Converter offers numerous benefits for your Ford Thunderbird, including improved engine performance, enhanced durability, and reduced emissions. It is an excellent choice for enthusiasts seeking to enhance the power and efficiency of their vehicle, while also maintaining compliance with emissions regulations.

The MagnaFlow 51906-AQ catalytic converter is a performance aftermarket catalytic converter designed for the 2004-2005 Ford Thunderbird 3.9L V8 Gas DOHC engines. This converter offers several benefits and drawbacks that are essential to consider before making a purchase.

1. Enhanced performance: MagnaFlow catalytic converters are designed to provide better exhaust flow, which results in improved engine performance and increased horsepower.

2. Improved exhaust sound: The MagnaFlow converter delivers a more aggressive exhaust note due to its high-flow design.

3. Durability: MagnaFlow converters are made from high-quality materials that ensure durability and longevity.

4. OEM fitment: The MagnaFlow converter is designed to fit directly into the factory exhaust system, making installation straightforward.

5. CARB legal: This converter is CARB (California Air Resources Board) legal, ensuring that it complies with emissions regulations.

1. Higher cost: Aftermarket catalytic converters, such as the MagnaFlow, tend to be more expensive than OEM (original equipment manufacturer) converters.

2. Increased emissions: While the MagnaFlow converter is CARB legal, it may not meet the strictest emissions standards. As a performance part, it may result in increased emissions compared to the stock converter.

3. Potential check engine light: Installing a performance catalytic converter like the MagnaFlow could potentially trigger a check engine light due to the different flow rate and efficiency compared to the OEM converter.

The MagnaFlow 51906-AQ catalytic converter offers several advantages for Ford Thunderbird owners looking to improve their vehicle's performance and exhaust note. However, it also comes with some potential drawbacks, such as higher cost, increased emissions, and the possibility of triggering a check engine light.

If you are looking to significantly enhance your Ford Thunderbird's performance and exhaust sound, the MagnaFlow 51906-AQ catalytic converter is an excellent choice. However, it is crucial to understand the potential consequences, including higher cost and the possibility of increased emissions and a check engine light. Proceed with caution and consider your priorities before making a purchase.

part # 51906 price

• $275.00

specifications catalyticonvo:

• for models: Thunderbird
• for makes: Ford
• for years: 2004-2005
• brand: Magnaflow
• part type: Converter
• manufacturer warranty: 1 Year
• manufacturer part number: 51906-AQ
• air tube adaptable: No
• body material: Stainless Steel
• body type: Clam-shell
• california air resources board: Carb Certified
• clamps included: Yes
• grade type: Regular
• heat shield material: Aluminized Steel
• outlet type: Clamp-on
• overall length: 55 In
• oxygen sensor location: Pre Converter
• series: Oem Grade
• substrate material: Ceramic
• universal or specific fit: Specific
• country of origin: United States
• ford interchange: 4w6z-5f250-aa
• upc: 841380067876

payments catalyticonvo:

• wallet: Paypal
• other
• credit card: Visa

offer catalyticonvo:

• options: Ship-to-home
• sold: 0
• quantity: 2
• availability: In Stock
• started: February 6, 2026

returns catalyticonvo:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

seller catalyticonvo:

• # reviews: 400
• rating: 90.9%

shipping catalyticonvo:

• transit: 4-11 Days
• class: Standard, Expedited
• cost: $0.00
• service: FedEx Ground / FedEx Home Delivery, FedEx Express Saver
• carrier: FedEx
• type: Fixed

general catalyticonvo:

• Car Truck Parts Accessories > Exhaust Emission Systems > Catalytic Converters
• condition: New

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