1. Catalytic Converters Parts
  2. sku: 8729791672616751
  3. MAXPEEDINGRODS S4T05W

MAXPEEDINGRODS S4T05W Catalytic Converter 3.0L

fits model: Rx300, Highlander. make: Lexus, Toyota. year: 2001–2003.

S4t05w Maxpeedingrods Catalytic Converter For Lexus Rx300 3.0l 1999-03 Toyota Highlander 2001-03

( Brand: Maxpeedingrods ), ( Body Material: Stainless Steel ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Cpsi: 600cells ), ( Engine: 3.0l ), ( Features: Bolt-on Connection, Easy To Replace ), ( Finish: Uncoated ), ( Fitment: For Lexus Rx300 3.0l 1999-2003, For Toyota Highlander 3.0l 2001-2003 ), ( Fitment Type: Direct Replacement ), ( Items Included: Mounting Hardware ), ( Labels Certifications: Epa ), ( Manufacturer Part Number: S4T05W ), ( Manufacturer Warranty: 1 Year ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part ), ( Obd Compatibility: Obd-ii ), ( Oe/oem Part Number: 16191, 641174, 16121 ), ( Oxygen Sensor Location: Pre Post Catalyst ), ( Performance Part: Yes ), ( Placement On Vehicle: Front, Lower, Rear ), ( Restricted States: California, New York, Maine, Colorado ), ( Substrate Material: Ceramic ), ( Type: Catalytic Converter ), ( Universal Fitment: No )

Review MAXPEEDINGRODS Catalytic Converter Lexus 3.0l 1999 Toyota fits HIGHLANDER RX300 2001–2003

Introducing the Maxpeedingrods S4T05W Catalytic Converter, a high-performance upgrade designed specifically for the Lexus RX 300 from the 1999 to 2003 model years and the Toyota Highlander from the 2001 to 2003 model years, both equipped with the 3.0L 1UZ-FE engine. This catalytic converter is an excellent choice for those seeking improved engine performance and increased power output.

The Maxpeedingrods S4T05W Catalytic Converter is a direct replacement for the stock unit, ensuring a seamless installation process. It is constructed from premium 409S stainless steel, which is highly resistant to corrosion and thermal stress. This material guarantees durability and longevity, as it can withstand extreme temperatures and harsh driving conditions.

The catalytic converter is designed to optimize exhaust gas flow, reducing backpressure within the exhaust system. This results in improved engine efficiency, increased horsepower, and enhanced torque. The design also ensures a better driving experience, as it leads to faster acceleration and smoother power delivery.

Maxpeedingrods has implemented their proprietary high-flow catalytic substrate technology in this catalytic converter. This technology provides efficient catalytic conversion while maintaining maximum exhaust flow. The high-flow design ensures that exhaust gases are effectively processed, reducing harmful emissions without compromising performance.

The Maxpeedingrods S4T05W Catalytic Converter is compatible with both gasoline and flex-fuel applications. It is CARB approved, ensuring that it meets the strict emissions standards set by the California Air Resources Board. This makes it a legal and reliable option for those residing in California and other states with similar regulations.

In summary, the Maxpeedingrods S4T05W Catalytic Converter is a high-performance upgrade for the 3.0L 1UZ-FE engines found in the Lexus RX 300 and Toyota Highlander. It is constructed from durable stainless steel, optimizes exhaust flow for improved engine efficiency, and is compatible with both gasoline and flex-fuel applications. This catalytic converter is a must-have for those seeking increased power output, faster acceleration, and a smoother driving experience.

The Maxpeedingrods S4T05W catalytic converter is a performance catalytic converter designed for use in the Lexus RX300 (1999-2003) and Toyota Highlander (2001-2003) with a 3.0L engine. This converter is intended to improve exhaust flow and increase horsepower and torque. Here are some pros and cons to help you make an informed decision:

Pros:

1. Increased Performance: The Maxpeedingrods S4T05W catalytic converter is designed to improve exhaust flow and increase horsepower and torque in your vehicle.

2. Fits Perfectly: This converter is specifically designed for the Lexus RX300 and Toyota Highlander 3.0L engines, ensuring a perfect fit.

3. High-Flow Design: The high-flow design of the converter reduces backpressure, allowing the engine to breathe more easily, which can lead to improved fuel efficiency and performance.

4. Durable: The converter is made with high-quality materials and is designed to last longer than the original equipment manufacturer (OEM) converter.

5. CARB Legal: The Maxpeedingrods S4T05W catalytic converter is CARB-legal, which means it meets California Air Resources Board emissions standards.

Cons:

1. Cost: Performance catalytic converters, like the Maxpeedingrods S4T05W, can be more expensive than the OEM converter.

2. Loud: Performance catalytic converters are known to be louder than the OEM converter, which can be a drawback for some people.

3. Check Engine Light: Installing a performance catalytic converter may trigger the check engine light, as the converter may not meet the strict emissions standards of the OEM converter. However, this can be remedied by using a tool to reprogram the engine computer to accept the new converter.

4. Warranty: The Maxpeedingrods S4T05W catalytic converter may not come with the same lengthy warranty as the OEM converter.

Ending Conclusion:

The Maxpeedingrods S4T05W catalytic converter offers improved performance, durability, and a perfect fit for the Lexus RX300 and Toyota Highlander 3.0L engines. However, it comes with a higher cost, the potential for a louder exhaust, and the possibility of triggering the check engine light. Ultimately, the decision to purchase this converter depends on your personal preferences and priorities. If you're looking for increased performance and don't mind the higher cost and potentially louder exhaust, then this converter may be a good choice for you. However, if you're concerned about the check engine light and want to keep your vehicle as quiet and emissions-compliant as possible, you may want to consider sticking with the OEM converter.

Recommendation:

If you're looking for a performance catalytic converter for your Lexus RX300 or Toyota Highlander 3.0L engine and are willing to accept the potential drawbacks, then the Maxpeedingrods S4T05W catalytic converter is a solid choice. However, if you prioritize a quieter exhaust and emissions compliance, then you may want to consider sticking with the OEM converter or looking for a less aggressive performance converter. As always, be sure to check with your local emissions regulations before making a decision.

specifications catalyticonvo:

  • for models: Rx300, Highlander
  • for makes: Lexus, Toyota
  • for years: 2001-2003
  • brand: Maxpeedingrods
  • body material: Stainless Steel
  • california prop 65 warning: California Prop 65 Warning
  • cpsi: 600cells
  • engine: 3.0l
  • features: Bolt-on Connection, Easy To Replace
  • finish: Uncoated
  • fitment: For Lexus Rx300 3.0l 1999-2003, For Toyota Highlander 3.0l 2001-2003
  • fitment type: Direct Replacement
  • items included: Mounting Hardware
  • labels certifications: Epa
  • manufacturer part number: S4T05W
  • manufacturer warranty: 1 Year
  • note: No Instruction Included
  • notice: This Is Aftermarket Replcement Part
  • obd compatibility: Obd-ii
  • oe/oem part number: 16191, 641174, 16121
  • oxygen sensor location: Pre Post Catalyst
  • performance part: Yes
  • placement on vehicle: Front, Lower, Rear
  • restricted states: California, New York, Maine, Colorado
  • substrate material: Ceramic
  • type: Catalytic Converter
  • universal fitment: No

shipping catalyticonvo:

  • carrier: UPS
  • service: UPS Ground
  • cost: $0.00
  • type: Fixed
  • transit: 5-8 Days
  • class: Standard

returns catalyticonvo:

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

payments catalyticonvo:

  • other
  • credit card: Visa
  • wallet: Apple-pay

seller catalyticonvo:

  • # reviews: 13923
  • rating: 99.4%

general catalyticonvo:

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

offer catalyticonvo:

  • quantity: 2
  • options: Ship-to-home
  • sold: 0
  • best offers: True
  • availability: In Stock
  • started: January 15, 2026
for models: rx300, highlander, for makes: lexus, toyota, for years: 2001-2003, body material: stainless steel, california prop 65 warning: california prop 65 warning, cpsi: 600cells, engine: 3.0l, features: bolt-on connection, easy to replace, finish: uncoated, fitment: for lexus rx300 3.0l 1999-2003, for toyota highlander 3.0l 2001-2003, fitment type: direct replacement, items included: mounting hardware, labels certifications: epa, manufacturer warranty: 1 year, note: no instruction included, notice: this is aftermarket replcement part, obd compatibility: obd-ii, oe/oem part number: 16191, 641174, 16121, oxygen sensor location: pre post catalyst, performance part: yes, placement on vehicle: front, lower, rear, restricted states: california, new york, maine, colorado, substrate material: ceramic, type: catalytic converter, universal fitment: no,
category: auto parts > car truck parts accessories > exhaust emission systems > catalytic converters, sku: 8729791672616751,

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