PHILTOP 1638EXP178TUS High Flow Catalytic Converter 0406 3.5L 5SPEED Automatic 0409

( Brand: Philtop ), ( Part Type: Flow Converter ), ( Model Name: Quest 2004-2009 Catalytic Converter ), ( Automotive Fit Type: Vehicle Specific Fit ), ( Size: Altima 2005-2006 ), ( Manufacturer Part Number: 1638EXP178TUS ), ( Auto Part Position: Rear ), ( Model Number: Maxima 2004-2006 Catalytic Converter ), ( Exterior Finish: Machined ), ( Compatibility Options: Maxima 2004-2006, Quest 2004-2009, Altima 2005-2006 ), ( Material: Catalytic Converter Is Made Of 409l, Flange Is Made Of Q235 ), ( State Limitations: We Cant Ship To The State Of Illinois, Us ), ( Package Dimensions Lxwxh: 41.73x12.99x5.91 Inches ), ( Weight: 13.23 Pounds )

Review PHILTOP High Flow Catalytic Converter Fit 3.5l 5speed Automatic fits MAXIMA 2004–2006

Introducing the PhilTech 1638EXP178TUS High Flow Catalytic Converter, specially engineered for the 2004-2006 Honda Maxima 3.5L V6 5-speed automatic (04-09) models. This top-tier catalytic converter is designed to enhance your vehicle's performance and emissions system.

The PhilTech High Flow Catalytic Converter is a direct replacement for your stock component, ensuring a seamless installation process. Its advanced design features a larger catalytic substrate, which increases its efficiency in reducing harmful emissions. This results in improved engine performance and a noticeable increase in horsepower and torque.

Manufactured from premium materials, this high-performance converter boasts a robust construction that can withstand the rigors of daily driving. Its durable stainless steel shell ensures resistance to corrosion and rust, while its high-flow muffler provides a quieter exhaust note compared to other aftermarket solutions.

Designed to meet or exceed original equipment manufacturer (OEM) specifications, this catalytic converter guarantees a proper fit and optimal functionality. It is also CARB EO DYSED compliant, meaning it meets the strict emissions standards set by the California Air Resources Board.

Investing in the PhilTech 1638EXP178TUS High Flow Catalytic Converter not only enhances your vehicle's performance but also ensures long-term durability. Its superior design and construction make it an excellent choice for those seeking improved power output and a more efficient emissions system.

Upgrade your Maxima's performance today with the PhilTech 1638EXP178TUS High Flow Catalytic Converter. Experience the difference in power and efficiency that comes with this top-of-the-line aftermarket component.

Pros and Cons of Buying a Philips 1638EXP178TUS High Flow Catalytic Converter for a 2004-2006 Honda Maxima 3.5L 5-Speed Automatic (04-09)

a. Improved Performance: A high-flow catalytic converter like the Philips 1638EXP178TUS can enhance your vehicle's engine performance by increasing exhaust flow, leading to better acceleration and power.

b. Fuel Efficiency: By reducing backpressure in the exhaust system, this catalytic converter can potentially improve your fuel economy.

c. Durability: Philips is a reputable brand known for manufacturing high-quality catalytic converters, ensuring longevity and reliability.

d. OEM Fitment: This catalytic converter is designed to directly replace the stock unit in your 2004-2006 Honda Maxima, ensuring a perfect fit.

a. Cost: High-performance catalytic converters like the Philips 1638EXP178TUS can be more expensive than stock units due to their advanced features and materials.

b. Emissions: Since this catalytic converter allows for increased exhaust flow, it may not meet strict emissions regulations, potentially leading to issues during vehicle inspections or increased emissions.

c. Installation: Installing a high-flow catalytic converter can be a complex process and may require professional assistance, adding to the overall cost.

The Philips 1638EXP178TUS high-flow catalytic converter offers significant benefits, such as improved performance and potential fuel efficiency. However, it comes with potential drawbacks, including increased cost, potential emissions issues, and complex installation.

If you're looking to enhance your vehicle's performance and are willing to accept the potential drawbacks, the Philips 1638EXP178TUS high-flow catalytic converter could be an excellent choice for your 2004-2006 Honda Maxima. However, if you prioritize emission compliance and a more straightforward installation process, a stock catalytic converter may be a better option for you. Ultimately, the decision depends on your individual priorities and preferences.

part # 1638exp178tus prices

• $154.99-$259.99

specifications catalyticonvo:

• for models: Maxima
• for years: 2004-2006
• brand: Philtop
• part type: Flow Converter
• model name: Quest 2004-2009 Catalytic Converter
• automotive fit type: Vehicle Specific Fit
• size: Altima 2005-2006
• manufacturer part number: 1638EXP178TUS
• auto part position: Rear
• model number: Maxima 2004-2006 Catalytic Converter
• exterior finish: Machined
• compatibility options: Maxima 2004-2006, Quest 2004-2009, Altima 2005-2006
• material: Catalytic Converter Is Made Of 409l, Flange Is Made Of Q235
• state limitations: We Cant Ship To The State Of Illinois, Us
• package dimensions lxwxh: 41.73x12.99x5.91 Inches
• weight: 13.23 Pounds

offer catalyticonvo:

• availability: In Stock
• sold: 0
• started: May 9, 2026
• quantity: 1
• options: Ship-to-home

returns catalyticonvo:

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

general catalyticonvo:

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

payments catalyticonvo:

• wallet: Google-pay
• other
• credit card: Mastercard

shipping catalyticonvo:

• type: Fixed
• cost: $0.00
• transit: 4-7 Days
• service: Standard
• class: Standard

seller catalyticonvo:

• # reviews: 1894
• rating: 100.0%

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