LEXUS 1743070821 Rear Right Exhaust Muffler Silencer Baffle 2018-24 3.5L 31K

( Manufacturer Part Number: 1743070821 ), ( Placement On Vehicle: Rear, Right ), ( Type: Muffler Assembly ), ( Material: Metal ), ( Color: Silver ), ( Features: Easy To Replace, Single Exit ), ( Universal Fitment: No ), ( Unit Type: Unit )

Review LEXUS 2018 24 Rear Right Exhaust Muffler Silencer Baffle 3.5l 31k Oem fits LS500

The **Lexus 1743070821 2018 2024 LS500 Rear Right Exhaust Muffler, Silencer, and Baffle Assembly** is a precision-engineered component designed exclusively for the high-performance 3.5-liter V6 engine found in the Lexus LS500, ensuring optimal exhaust flow, noise suppression, and structural integrity. Crafted from high-grade stainless steel, this aftermarket muffler, silencer, and baffle assembly replaces the original OEM part, delivering a refined exhaust note while maintaining the vehicle s luxurious and sophisticated character. The design incorporates a seamless integration with the LS500 s exhaust system, featuring a robust construction that resists corrosion and withstands the demands of daily driving, high-performance use, or extended road trips. With a focus on both performance and aesthetics, this component enhances the LS500 s exhaust tone, providing a deeper, more resonant growl while minimizing harsh backfires and rattles. Ideal for enthusiasts seeking an upgrade that preserves the LS500 s premium feel without compromising on power or refinement, this muffler, silencer, and baffle assembly is a seamless fit for the rear right exhaust line, ensuring a perfect balance of style and functionality. Whether installed as part of a full exhaust system refresh or as a targeted upgrade, this component is engineered to meet Lexus s exacting standards, offering a durable, high-quality solution for owners looking to elevate their LS500 s performance and sound signature.

### **Pros and Cons of buying a Lexus 1743070821 (2018-24 LS500 Rear Right Exhaust Muffler/Silencer/Baffle for 3.5L V6)**

1. **OEM Replacement Part** This is a genuine Lexus factory part, ensuring a perfect fit, high-quality materials, and compatibility with the LS500 s exhaust system. It avoids potential issues with aftermarket parts that may not align correctly or last as long.

2. **Reliability and Durability** Lexus parts are built to meet strict manufacturing standards, reducing the risk of premature failure. The muffler/silencer/baffle is designed to withstand the LS500 s performance demands, including high RPMs and power output.

3. **Sound Quality and Performance** The OEM muffler contributes to the LS500 s signature exhaust note, balancing power delivery with a refined yet aggressive tone. Replacing a worn-out or damaged part restores the intended sound and exhaust flow.

4. **Warranty Coverage** If purchased directly from Lexus or an authorized dealer, the part may come with a warranty (typically 3 years or 36,000 miles), providing peace of mind against defects.

5. **Prevents Further Damage** A failing muffler or silencer can lead to exhaust leaks, reduced engine efficiency, or even catalytic converter damage. Replacing it proactively avoids costly repairs down the line.

6. **Resale Value** Keeping the vehicle with OEM components can help maintain its value, especially if you plan to sell or trade it in the future.

7. **Professional Installation Support** Lexus dealerships and certified mechanics have experience installing these parts correctly, minimizing the risk of improper fitting or leaks.

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1. **High Cost** OEM Lexus parts are significantly more expensive than aftermarket alternatives. The muffler/silencer/baffle for the LS500 can cost **$300 $600 **, depending on the source and labor if installed professionally.

2. **Limited Availability** Unlike aftermarket parts, OEM components may not be as widely stocked, especially for older models like the LS500. You may need to order it, which could delay repairs.

3. **Potential for Counterfeit Parts** If buying from third-party sellers (e.g., eBay, Facebook Marketplace), there s a risk of receiving fake or low-quality parts that don t meet Lexus standards. Always verify authenticity.

4. **Labor Costs** If you don t have mechanical experience, professional installation will add to the expense. Labor for exhaust work on a luxury vehicle like the LS500 can range from **$150 $300 ** per hour.

5. **Overkill for Minor Issues** If the muffler is only slightly damaged (e.g., minor rust or a small hole), some owners opt for aftermarket repairs or patches instead of a full replacement. However, for severe damage or performance concerns, OEM is the best choice.

6. **Weight and Complexity** The LS500 s exhaust system is heavy and intricate, requiring careful handling during installation. Improper handling could lead to damage to other components.

7. **Environmental and Noise Regulations** Some regions have strict emissions and noise laws. While the OEM part complies, aftermarket exhausts (if considered) must meet local regulations to avoid fines.

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Buying the **Lexus 1743070821 OEM muffler/silencer/baffle** for your 2018 2024 LS500 is the **best choice for long-term reliability, performance, and sound quality**. It ensures a perfect fit, maintains the vehicle s integrity, and prevents potential exhaust-related issues. However, the **high cost and potential for counterfeit parts** are significant drawbacks, especially for owners on a budget or those who prefer aftermarket solutions.

If you prioritize **durability, warranty coverage, and factory specifications**, the OEM part is worth the investment. If you re looking to **save money** and the muffler isn t critically failing, an **aftermarket high-quality replacement** (from reputable brands like MagnaFlow, Borla, or Akrapovic) could be a viable alternative though it may not match the exact sound or longevity.

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- You want the best fit, sound, and reliability.

- You re replacing a **completely failed** muffler/silencer.

- You plan to keep the car long-term and value resale potential.

- You re purchasing from a **trusted Lexus dealer or authorized seller** to avoid counterfeits.

- You re on a tight budget and the muffler is only **cosmetically damaged**.

- You prefer a **custom exhaust tone** (e.g., deeper, sportier sound).

- You re comfortable with **higher maintenance risks** (e.g., potential leaks, shorter lifespan).

- You buy from a **well-reviewed aftermarket brand** (e.g., MagnaFlow, Flowmaster).

**Final Verdict:** For the **LS500 s performance and luxury standards**, the **OEM part is the safest and most effective choice**, despite the higher cost. If you re open to alternatives, research **high-end aftermarket options** to balance quality and savings. Always verify the part s authenticity and ensure proper installation.

Details:

A valid phone # is required for contact before delivery, If you want residential it a $100 charge. Exhaust Emissions. 2018 24 LEXUS LS500 REAR RIGHT EXHAUST MUFFLER SILENCER BAFFLE 3.5L 31K OEM: FITMENT Year: Make: model: Notes: 2018 - 2018 LEXUSLS500 Right; F Sport base model ; From 01/ 2018, To 2019 2024LEXUSLS500 model.

part #: 1743070821 prices

• $187.07-$249.99

specifications cyclemufflermo:

• for models: Ls500
• for makes: Lexus
• mpn: 1743070821
• placement on vehicle: Rear, Right
• type: Muffler Assembly
• material: Metal
• color: Silver
• features: Easy To Replace, Single Exit
• universal fitment: No
• unit type: Unit

payments cyclemufflermo:

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

seller cyclemufflermo:

• rating: 100.0%
• city: Lincoln, Nebraska
• # reviews: 40688

general cyclemufflermo:

• condition: Used
• Motorcycle Scooter Parts Accessories > Exhaust Emission Systems > Silencers, Mufflers Baffles

offer cyclemufflermo:

• options: Ship-to-home
• quantity: 1
• best offers: True
• sold: 0
• availability: In Stock
• started: June 1, 2026

returns cyclemufflermo:

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

shipping cyclemufflermo:

• cost: $0.00
• carrier: FedEx
• type: Fixed
• transit: 2-4 Days
• service: FedEx Ground / FedEx Home Delivery
• class: Standard