1. Exhaust & Emission Parts To Buy
  2. sku: 20249889785678771
  3. MERCEDES SL500

MERCEDES Rear Muffler Exhaust Left Right 331.MB1Z04 Benz 245

fits model: Sl500, R230, Roadster. make: Mercedes. year: 2004.

331.mb1z04 Mercedes-benz 2004 Sl500 R230 Roadster #245 Rear Muffler Exhaust Tips Left Right

( Manufacturer Part Number: SL500 ), ( Part Type: Muffler Exhaust Tip ), ( Conditions Options: Sport, 7sp ), ( Genuine Oem: Yes ), ( Ipn: 331.mb1z04 ), ( Make: Mercedes-benz )

Review MERCEDES benz #245 Rear Muffler Exhaust Tips Left Right fits ROADSTER SL500 R230 2004

The **Mercedes-Benz 331.MB1Z04 (2004) SL500 R230 Roadster (245)** exhaust system specifically the **rear muffler exhaust components (left and right)** represents a refined blend of engineering precision and timeless luxury, tailored to deliver both performance and aesthetic harmony on the road. This high-performance exhaust assembly is integral to the iconic **SL500 s** (W230) legendary V8-powered roadster, where every detail is meticulously crafted to enhance the driving experience while maintaining the vehicle s signature elegance. The **245-series exhaust system** often associated with the SL500 s later iterations features a **dual-tone, polished stainless steel construction** with a sleek, understated design that complements the car s sporty yet sophisticated silhouette. The **rear mufflers** are engineered with **acoustic tuning** to produce a deep, resonant growl that resonates with the **5.4L AMG V8 s** (M113) raw power, offering a balanced exhaust note that is both commanding and melodic, ensuring the SL500 s voice remains unmistakable. These components are built to withstand the demands of high-performance driving, featuring **high-grade stainless steel construction** that resists corrosion and maintains structural integrity even under extreme conditions. The **left and right rear mufflers** are symmetrically designed to optimize airflow while minimizing backpressure, allowing the engine to breathe efficiently and maximizing both power delivery and throttle response. Beyond their functional prowess, these exhaust pieces are a testament to Mercedes-Benz s commitment to **craftsmanship and heritage**, with **precision-machined flanges and seamless welds** that ensure a flawless fitment on the original exhaust manifold. Whether installed as part of a full exhaust upgrade or as a targeted restoration, these **R230 SL500 rear mufflers** elevate the vehicle s performance while preserving its timeless allure, making them a coveted choice for enthusiasts seeking to restore or enhance the legendary roadster s character.

### **Pros and Cons of Buying a 2004 Mercedes-Benz SL500 (R230) Roadster with a Modified Exhaust (245 Rear Muffler, Left & Right)**

#### **Pros**

1. **Performance Enhancement** A modified exhaust system, such as the 245 rear muffler, can improve exhaust flow, reduce backpressure, and enhance engine breathing. The SL500 s 5.4L V8 (M113) is a powerful engine, and exhaust modifications can provide noticeable power gains, especially in low-end torque and mid-range acceleration.

2. **Distinctive Sound** A tuned exhaust system produces a deeper, more aggressive exhaust note compared to the stock mufflers. This can be appealing to enthusiasts who enjoy a sportier, more engaging driving experience.

3. **Potential for Further Modifications** The R230 platform is well-supported by aftermarket parts, including performance exhausts, headers, and intake systems. If you plan to further modify the car, a modified exhaust is a logical first step.

4. **Resale Value (If Well-Maintained)** While exhaust modifications may slightly reduce resale value compared to a stock SL500, a well-documented, properly installed system can still attract buyers who appreciate performance-oriented modifications.

5. **Compatibility with Other Upgrades** The 245 mufflers are designed to work with other performance parts, such as cold air intakes, ECU tunes, or even forced induction (if you later consider a turbo or supercharger).

6. **Lightweight & Aesthetic Appeal** Many aftermarket exhaust systems are made from high-quality stainless steel or titanium, which can be more durable than stock components. Additionally, the visual appeal of a modified exhaust can enhance the car s sporty look.

7. **Potential for Improved Reliability (If Properly Installed)** A well-fitted exhaust system reduces the risk of leaks, rattles, or premature failure compared to poorly installed aftermarket parts.

---

#### **Cons**

1. **Noise Levels** A modified exhaust will be significantly louder than stock, which may not be ideal if you drive in noise-restricted areas or prefer a quieter cabin. Some mufflers, even performance-oriented ones, can still be too loud for daily driving.

2. **Potential for Exhaust Leaks & Rust** Aftermarket exhaust systems, especially those not made from high-grade materials, can develop leaks or rust over time. The 245 mufflers are generally well-regarded, but improper installation or low-quality components can lead to issues.

3. **Warranty & Insurance Concerns** Many manufacturers void warranties on modified exhaust systems. Additionally, insurance companies may classify the car as a "modified" vehicle, potentially leading to higher premiums or difficulty in claims.

4. **Legal Restrictions** Some regions have strict noise regulations. A modified exhaust may not comply with local laws, resulting in fines or the need for additional sound-dampening measures.

5. **Cost of Installation & Maintenance** While the 245 mufflers themselves may not be extremely expensive, professional installation is recommended to ensure proper fitment and sealing. Future maintenance (e.g., replacing hangers, gaskets, or mufflers) can add up.

6. **Potential for Reduced Fuel Efficiency** While the power gains from a modified exhaust are modest, the increased airflow and slightly altered engine tuning (if an ECU flash is involved) can lead to a small decrease in fuel economy.

7. **Compatibility Issues** Not all exhaust systems are universally compatible with every SL500. Poor fitment can cause rattles, leaks, or even damage to the catalytic converters or oxygen sensors. The 245 mufflers are designed for the R230, but improper installation can still cause problems.

8. **Resale Value Impact** While not drastically affected, a modified exhaust may deter some buyers who prefer stock or minimally altered vehicles. This could slightly reduce resale value compared to an unmodified SL500.

9. **Potential for Drivetrain Stress** If the exhaust modification is paired with other aggressive upgrades (e.g., forced induction, aggressive ECU tuning), the stock drivetrain (transmission, differential, suspension) may not handle the increased power, leading to premature wear.

10. **Maintenance Overhead** A modified exhaust requires periodic checks for leaks, rust, and proper mounting. Neglecting these can lead to more expensive repairs down the line.

---

### **Conclusion**

Buying a 2004 Mercedes-Benz SL500 Roadster with a modified exhaust system like the 245 rear mufflers offers noticeable performance and aesthetic benefits, particularly for enthusiasts who prioritize sound and power. However, the trade-offs including increased noise, potential maintenance issues, and legal or insurance concerns must be carefully considered.

If you are an owner who enjoys driving a sportier, more engaging SL500 and is willing to invest in proper installation and maintenance, the modifications can be worthwhile. Conversely, if you prioritize a quieter, more stock-like experience or plan to keep the car for long-term use without further modifications, the benefits may not justify the drawbacks.

### **Recommendation**

- **Proceed with the modification if:**

- You are comfortable with a louder exhaust and plan to drive the car in an environment where noise is not a major concern.

- You intend to further modify the SL500 (e.g., intake, ECU tune, suspension) and want a performance-oriented exhaust system.

- You have the budget for professional installation and potential future maintenance.

- You are aware of and comply with local noise regulations.

- **Avoid or reconsider the modification if:**

- You prefer a quieter cabin or live in a noise-restricted area.

- You plan to keep the car long-term without further modifications, as the benefits may not outweigh the potential downsides.

- You are not prepared for the possibility of leaks, rust, or installation issues.

- You want to maximize resale value, as some buyers may prefer stock or minimally modified vehicles.

Ultimately, the decision depends on your priorities whether you value performance and sound over convenience, maintenance, and resale flexibility. If you proceed, ensure the exhaust system is properly installed by a reputable Mercedes specialist to avoid common pitfalls.

Details:

Please review the photos and specifics before purchasing.

specifications emissyste:

  • for models: Sl500, R230, Roadster
  • for makes: Mercedes
  • for years: 2004
  • mpn: Sl500
  • part type: Muffler Exhaust Tip
  • conditions options: Sport, 7sp
  • genuine oem: Yes
  • ipn: 331.mb1z04
  • make: Mercedes-benz

seller emissyste:

  • # reviews: 5324
  • rating: 99.5%
  • city: Tampa, Florida

general emissyste:

  • Car Truck Parts Accessories > Exhaust Emission Systems > Exhaust System Kits
  • condition: Used

returns emissyste:

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

offer emissyste:

  • best offers: True
  • quantity: 1
  • options: Ship-to-home
  • started: February 19, 2026
  • sold: 0
  • availability: In Stock

shipping emissyste:

  • class: Standard
  • service: Standard
  • cost: $0.00
  • transit: 4-8 Days
  • type: Fixed

payments emissyste:

  • credit card: Visa
  • wallet: Paypal
  • other
for models: sl500, r230, roadster, for makes: mercedes, for years: 2004, part type: muffler exhaust tip, conditions options: sport, 7sp, genuine oem: yes,
manufacturer: mercedes-benz, category: auto parts > car truck parts accessories > exhaust emission systems > exhaust system kits, sku: 20249889785678771,
Mercedes SL500 Is Similar To:
emissyste logo
2 offers $51.51–$51.51 USD
  • Used. Offer #1 priced at $51.51 + $0.00 shipping estimate = $51.51* total. FREE SHIPPING
  • Used. Offer #2 priced at $51.51 + $0.00 shipping estimate = $51.51* total. FREE SHIPPING

Copyright © emissyste.com