SKU: 88262110325

Catalytic Converter for 2000 Lexus RX300 3.0L California Grade CARB Compliant Direct-Fit Catalytic Converter MagnaFlow 4

Sale price$490.05 Regular price$544.50
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 15 - Jul 20

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Description

Catalytic Converter for 2000 Lexus RX300 3.0L California Grade CARB Compliant Direct-Fit Catalytic Converter MagnaFlow 4Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct Fit Catalytic Converter 444507. With features including free flowing mandrel bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state of the art metrology department uses the latest 3D scanning systems during research and development, so

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 444507. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 2000 Lexus RX300 3.0L. MagnaFlow 444507 includes (1) Donut Gasket, (4) Washers, (2) Nuts, (2) Gasket Rings, (2) Bolts, (1) Flange Ring. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

  • Durable 308 stainless steel MIG welds
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel, designed to reduce noise and vibration
  • Simplifies installation with essential gaskets and hardware being included in the box
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last

Key Specifications

  • Series: California
  • Material: Stainless Steel
  • Finish: Stainless
  • Fitment Style: Direct-Fit / Vehicle Specific
  • Inlet Connection: Flange
  • Outlet Connection: Flange
  • Overall Length: 19.25 in
  • Substrate: Ceramic
  • CARB EO Number: D-193-171

Why Buy This MagnaFlow Part?
Built for exhaust-system performance, durability, and dependable fitment, this part is well suited for replacement, repair, or custom fabrication projects.

Important Installation & Fitment Notes

  • Confirm your vehicle's year, make, model, engine size, emissions standard, and location before ordering.
  • Professional installation is recommended to ensure proper sealing, sensor transfer, and emissions-system performance.
  • CARB-restricted states require a valid CARB-compliant part number and EO where applicable.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 88262110325

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4.8 ★★★★★
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SUPAWAT JENUGSON
Louisville, US
★★★★★ 5
Reliable, affordable, and user-friendly
Size: 13"-34", Style: Single Arm, Size: 13"-34", Style: Single Arm
The installation process was straightforward and didn’t take much time at all—even if you’re not particularly handy, it’s easy to figure out. What really stands out is how flexible the arm is. It adjusts smoothly in multiple directions, making it simple to position my monitor exactly where I want it. Whether I’m working, watching something, or multitasking, the range of motion makes a noticeable difference in comfort and productivity. It’s also very sturdy once set up. My monitor feels secure, and I haven’t experienced any sagging or instability. As a second screen mount, it integrates perfectly with my desk setup and helps keep everything organized and clutter-free.
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Reviewed in the United States on April 17, 2026
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Brandon
San Leandro, US
★★★★★ 5
Solid Build, Easy Setup
Size: 17"-49", Style: Single Arm
I picked up two of these mounts — one for my 34" curved LG ultrawide and one for my 30" MSI ultrawide — and both have performed exactly as advertised. Build Quality & Value For the price, this thing is built surprisingly well. It feels solid, looks clean on the desk, and doesn't have that cheap, flimsy feel you'd expect at this price point. Genuinely impressed. Assembly & Installation Setup was straightforward. Everything you need comes in the box. The only tool you'll need to grab yourself is a ½" wrench — have that ready before you start and you'll be done in minutes. Mounting Options Two ways to mount it: clamp-on or through-hole (use an existing grommet hole or drill a new one). Both options feel secure once locked down. Sturdiness & Adjustability Once mounted, the arm holds firm. No drooping, no wobble. Repositioning the monitor is smooth and easy — tilt, swivel, height adjustments all work well even with the larger ultrawide panels. One Thing to Watch The tiny limiting screws ship loosely packed inside the arms. They're small and easy to lose if you're not paying attention when you open the box. Dump the contents carefully over a flat surface before digging in. Bottom Line If you're on the fence about a monitor mount, stop overthinking it and grab this one. It handles large ultrawides without breaking a sweat, installs fast, and won't break the bank. Highly recommended.
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Reviewed in the United States on May 22, 2026
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Sam B
Phoenix, US
★★★★★ 4
Initial thoughts
Size: 13"-34", Style: Single Arm
Getting everything set up took a bit of time and patience. The adjustment system wasn’t the most intuitive at first, and I ran into some confusion while trying to dial in the right positioning. However, after working with it for a while, I was able to get it pretty close to exactly how I wanted it. One thing to note is that making very fine adjustments can be a bit tricky. The mount is also slightly wobbly, and it’s fairly easy to bump the monitor out of position if you’re not careful. It’s not a dealbreaker, but it’s something to be aware of if you prefer a perfectly stable setup. That said, the overall construction feels solid and well-made, and once it’s in place, it does its job effectively. For the price and functionality, it’s a reliable option that gets the job done—even if it takes a little effort to get there.
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Reviewed in the United States on April 2, 2026
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Nikki05
San Leandro, US
★★★★★ 5
Holds Backpack Straps Together
Size: 6inches-60PCS
Good quantity for its price. It’s a good quality and durable. I use it to hold my Loungefly backpack straps that I hang on my wall and it does its job perfectly. It’s reusable too.
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Reviewed in the United States on May 22, 2026
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Raniel Nebrida
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Perfect for small normal cables lying around.
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