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MagnaFlow Direct-Fit Catalytic Converter Rear 01-06 Lexus LS430 4.3L (51454)

Original price $614.00 - Original price $614.00
Original price
$614.00
$614.00 - $614.00
Current price $614.00

The MagnaFlow OEM Grade Direct-Fit Catalytic Converter 51454 is designed to restore emissions system performance on 2001–2006 Lexus LS430 models equipped with the 4.3L V8 engine. Engineered as a direct replacement for the factory rear catalytic converter, this Federal/EPA-compliant unit features stainless steel construction, mandrel-bent tubing, and an OE-style design for straightforward installation.

MagnaFlow uses advanced 3D scanning technology during product development to replicate factory fitment and connection points. Its compact, low-mass design supports efficient catalyst heating, while the single laser fusion weld helps reduce potential exhaust leaks. The converter includes the necessary gaskets and clamps for installation without cutting or welding.

Direct-Fit Replacement: Designed specifically for the 2001–2006 Lexus LS430 4.3L V8, utilizing factory-style mounting locations and exhaust connections.

Federal/EPA Compliant: Manufactured to meet applicable Federal emissions requirements for qualifying vehicles and replacement applications.

OEM Grade Construction: Engineered to provide factory-style fitment and emissions performance for compatible Lexus LS430 models.

Stainless Steel Construction: Manufactured using corrosion-resistant stainless steel for durability in demanding exhaust environments.

Mandrel-Bent Tubing: Features smooth exhaust tubing bends designed to maintain consistent exhaust flow.

Precision 3D Scanned Design: Developed using advanced 3D scanning technology to replicate original equipment dimensions and fitment.

Single Laser Fusion Weld: Designed to reduce potential exhaust leak points while maintaining structural integrity.

Compact, Low-Mass Design: Supports efficient catalyst heating and thermal performance.

Bolt-On Installation: Designed for installation using the supplied hardware and appropriate tools without cutting or welding.

What's Included

  • (1) MagnaFlow Direct-Fit Rear Catalytic Converter (51454)
  • (2) Flat Ring Gaskets
  • (2) Torca Clamps

Vehicle Fitment

  • 2001–2006 Lexus LS430 Base 4.3L V8

Specifications

  • Brand: MagnaFlow
  • Part Number: 51454
  • Product Type: Direct-Fit Catalytic Converter
  • Product Series: OEM Grade
  • Installation Position: Rear
  • Vehicle Application: Lexus LS430
  • Model Years: 2001–2006
  • Engine: 4.3L V8
  • Material: Stainless Steel
  • Tubing Construction: Mandrel-Bent
  • Welding: Single Laser Fusion Weld
  • Emissions Compliance: Federal/EPA
  • Installation Type: Direct-Fit
  • Cutting Required: No
  • Welding Required: No
  • OE Interchange Numbers: 17410-50310, 17410-50390

Important Notes

  • Designed for 2001–2006 Lexus LS430 models equipped with the 4.3L V8 engine.
  • MagnaFlow part number: 51454.
  • Verify the original catalytic converter location, OE part number, and vehicle emissions configuration before ordering.
  • This product is designed for qualifying Federal/EPA emissions applications. Federal/EPA compliance does not automatically mean California CARB approval.
  • Confirm that this converter is approved for installation on your specific vehicle and in your state before purchasing.
  • Installation of an EPA-compliant replacement converter on a vehicle originally certified to California emissions standards may be restricted by applicable state regulations.
  • A replacement catalytic converter may resolve catalyst-related diagnostic trouble codes when the original converter has failed, but it will not correct unrelated engine, fuel system, oxygen sensor, or exhaust problems.
  • Diagnose and repair underlying engine or emissions system issues before replacing the catalytic converter.
  • Professional installation is recommended to ensure proper exhaust sealing, fitment, and emissions system operation.
  • Inspect the exhaust connections for leaks after installation.

Why Choose MagnaFlow?

MagnaFlow develops exhaust and emissions components with an emphasis on precise fitment, durable construction, and reliable performance. Its OEM Grade Direct-Fit Catalytic Converters use advanced manufacturing processes and vehicle-specific designs to simplify replacement while maintaining applicable emissions compliance.

For Lexus LS430 owners looking to replace a worn or failed rear catalytic converter, the MagnaFlow 51454 provides a stainless steel, direct-fit solution designed to restore proper exhaust and emissions system operation.

About Us

We are passionate Lexus and Toyota enthusiasts dedicated to providing the highest quality aftermarket parts to enhance your ride. Our goal is to help you find the perfect performance upgrade, whether you're building your dream car or just adding that next improvement. We take pride in offering products that we trust for our own vehicles.

Shipping

Shipping times vary based on item availability and specific lead times. You can expect an email with an estimated shipping date within 1-3 days of placing your order. Many in-stock parts ship within 2-5 business days, while certain built-to-order items may take up to 7-10 business days. For back-ordered items, availability may vary, but we will email you with any ETA changes.

Once your items are ready to ship, we will send tracking information via email so you can easily follow your package from our warehouse to your door. Please note, some parts may be shipped separately and could arrive at different times. Shipping costs apply to the lower 48 states, unless stated otherwise, and international orders may be subject to additional customs or duties fees.

What to Expect Upon Delivery

Upon receiving your order, please inspect the items immediately for any damage or missing parts. Verify all items against the packing slip or instructions before starting installation. We cannot be held responsible for costs incurred from delays due to missing items.

If any items are damaged or missing, please get in touch with us within 14 days of receipt so we can assist with a replacement. Claims made after this period will not be honored.

Cancellation Policy

If you need to cancel or modify your order, please contact us as soon as possible. We strive to ship your order quickly, and once processing begins, cancellations may be subject to a restocking fee. Orders canceled within 24 hours of purchase may not incur a fee, but after that time, restocking fees (typically 20%) will apply depending on the items and the stage of fulfillment.

Return Policy

Customer satisfaction is our priority, and we are happy to assist with returns. However, due to the complexity of sourcing and delivering our products, returns are subject to a restocking fee (usually 20%) based on the item and manufacturer.

Before returning any items, please get in touch with us to receive a return authorization. All return requests must be made within 30 days of receiving your merchandise. Once approved, items must be returned within 14 days in their original condition. Improper packaging of returned items may result in customer responsibility for damages.

Customers are responsible for return shipping costs, unless the item is defective or we shipped the wrong item. A trackable shipping method is strongly recommended.

Warranty

We honor all manufacturer warranties and are here to support you in getting the quality products you deserve. However, please note that warranty claims are available to the original purchaser only. In certain situations, manufacturers may handle warranty claims directly, and we are unable to cover costs not specified in the manufacturer's warranty (e.g., shipping, labor). If you have any questions, feel free to reach out to us.

Emissions Notes

All parts and services offered by LunaticsCo are for competition vehicles only. Use on state and federal highways may be a violation of the EPA Clean Air Act. The Clean Air Act can be found at http://www.epa.gov/air/caa/. This document details what are considered violations of the CAA and the corresponding penalties for failure to comply. It should be read in full before purchasing or installing this competition-use-only product. Ensuring that all emissions, noise/sound, and speed/use-related laws are followed is the responsibility of the buyer(s). Installation and use of this product indicate that this disclaimer has been read, acknowledged, and fully understood by both the buyer(s) and installer(s). The buyer(s) assume all associated risks of purchase.

Federal and several state laws prohibit the removal, modification, or rendering inoperative of any part that affects emissions or safety on motor vehicles used on public streets or highways. LunaticsCo assumes no liability for any violations arising out of any federal, state, or provincial emissions or safety requirements on motor vehicles resulting from the customer’s modifications and/or use of LunaticsCo products. It is the responsibility of the customer to determine if their modified vehicle complies with applicable laws.