AP EXHAUST 644001-AF Catalytic Converter 085337341675

( Brand: Ap Exhaust ), ( Part Type: Converter ), ( Manufacturer Warranty: 5 Year ), ( Manufacturer Part Number: 644001-AF ), ( Body Material: Stainless Steel ), ( Boxed: Yes ), ( California Air Resources Board: Carb Certified ), ( Converter Type: Federal / Epa Direct-fit ), ( Inlet Type A: 2 Bolt Loose Flange W/ Flare ), ( Outlet A Connection Type: Pipe ), ( Outlet Gasket: Not Required ), ( Outlet Type A: 2.17 Od Pipe ), ( Overall Length: 52.130 In ), ( Package Material: Corrugated Cardboard ), ( Substrate Material: Ceramic ), ( Country Of Origin: United States ), ( UPC: 085337341675 )

Review AP EXHAUST Catalytic Converter Mercedes fits ML350 2006–2009

Introducing the AP Exhaust 644001-AF Catalytic Converter, an exceptional upgrade for your 2006-2009 Mercedes ML350. This catalytic converter is not just a replacement part; it's an opportunity to enhance your vehicle's performance and reduce its emissions.

This high-performance catalytic converter is engineered to meet and even surpass the original equipment manufacturer (OEM) specifications. Designed with advanced technology, it ensures efficient catalytic conversion of harmful exhaust gases into less toxic emissions. The converter's robust construction is built to withstand the rigors of daily driving, ensuring durability and reliability.

The AP Exhaust 644001-AF Catalytic Converter features a stainless steel body for superior strength and resistance to corrosion. The internal components are made from high-quality ceramic honeycomb substrate, providing optimal flow dynamics and ensuring long-lasting performance. The converter also comes with OE-style sensors and brackets for easy installation.

In terms of performance, this catalytic converter delivers impressive gains. It boasts increased exhaust flow, which results in improved engine response and power. The converter's advanced design also reduces backpressure in the exhaust system, leading to better fuel economy.

By upgrading to the AP Exhaust 644001-AF Catalytic Converter, you're not only investing in your Mercedes ML350's performance but also contributing to the environment. This high-performance catalytic converter exceeds emissions standards, making it an eco-friendly choice for your vehicle.

The installation process is straightforward, and the converter comes with step-by-step instructions for a hassle-free experience. The AP Exhaust 644001-AF Catalytic Converter is a must-have upgrade for any Mercedes ML350 owner looking to improve their vehicle's performance, durability, and adherence to emissions standards.

Buying a MagnaFlow 644001-AF catalytic converter for a 2006-2009 Mercedes ML350 comes with several pros and cons that are essential to consider before making a purchase.

1. Performance: MagnaFlow catalytic converters are known for their high-performance designs. This converter may help improve the vehicle's acceleration and engine response.

2. Durability: MagnaFlow uses premium materials, including stainless steel, to ensure the converter lasts longer than OEM parts.

3. Sound: This high-flow catalytic converter produces a notable exhaust note, which some enthusiasts prefer.

4. Fitment: MagnaFlow offers direct-fit replacement catalytic converters, ensuring a perfect fit for your Mercedes ML350.

1. Cost: MagnaFlow catalytic converters are typically more expensive than OEM parts. The aftermarket price difference may be a significant investment for some.

2. Emissions: High-performance catalytic converters like the MagnaFlow 644001-AF may not meet emissions standards in some areas, potentially leading to fines or vehicle inspections.

3. Backpressure: The high-flow design of this converter may lead to increased backpressure in the exhaust system, potentially affecting fuel economy and engine performance.

If you're looking to enhance the performance and exhaust note of your Mercedes ML350, the MagnaFlow 644001-AF catalytic converter could be a worthwhile investment. However, it's crucial to consider the potential increased cost, potential emissions concerns, and possible impact on fuel economy before making a purchase.

If you're interested in purchasing this catalytic converter, I would recommend researching local emissions regulations and consulting a trusted mechanic to ensure the conversion is a suitable choice for your specific situation. Additionally, consider the potential benefits and trade-offs carefully to determine if the investment is worth the potential gains in performance and sound.

part # 644001 prices

• $470.27-$564.47

specifications catalyticonvo:

• for models: Ml350
• for makes: Mercedes
• for years: 2006-2009
• brand: Ap Exhaust
• part type: Converter
• manufacturer warranty: 5 Year
• manufacturer part number: 644001-AF
• body material: Stainless Steel
• boxed: Yes
• california air resources board: Carb Certified
• converter type: Federal / Epa Direct-fit
• inlet type a: 2 Bolt Loose Flange W/ Flare
• outlet a connection type: Pipe
• outlet gasket: Not Required
• outlet type a: 2.17 Od Pipe
• overall length: 52.130 In
• package material: Corrugated Cardboard
• substrate material: Ceramic
• country of origin: United States
• upc: 085337341675

returns catalyticonvo:

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

payments catalyticonvo:

• credit card: Diners-club
• wallet: Google-pay
• other

shipping catalyticonvo:

• cost: $0.00
• transit: 4-10 Days
• service: Economy
• class: Economy
• type: Fixed

seller catalyticonvo:

• # reviews: 1679
• rating: 98.9%

offer catalyticonvo:

• sold: 0
• started: March 16, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 3

general catalyticonvo:

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

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