Comparing Aftermarket Exhausts for the E39 M5: Power, Sound, and Cost

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The BMW E39 M5 is renowned for its performance and driving experience, and one of the most popular modifications among enthusiasts is upgrading the exhaust system. Aftermarket exhausts can significantly alter the power delivery, sound profile, and overall driving experience of the E39 M5. This article compares various aftermarket exhaust options available for the E39 M5, focusing on power gains, sound characteristics, and cost considerations.

Understanding Exhaust Systems

Before diving into specific aftermarket options, it’s essential to understand how exhaust systems work and their role in vehicle performance. The exhaust system is responsible for directing exhaust gases away from the engine, reducing back pressure, and enhancing engine efficiency. An aftermarket exhaust can improve flow, which may lead to increased horsepower and torque.

Factors to Consider When Choosing an Exhaust

  • Power Gains: Look for exhausts that provide measurable horsepower and torque increases.
  • Sound: The sound profile is critical; some prefer a deep, aggressive tone, while others may want a more subtle note.
  • Cost: Budget constraints are a reality; compare prices and consider the value offered.
  • Material: Stainless steel and titanium are common materials, each with its benefits and drawbacks.
  • Fitment: Ensure the exhaust is designed specifically for the E39 M5 for optimal performance.

Several brands offer aftermarket exhaust systems for the E39 M5, each with unique characteristics. Here, we will explore some of the most popular options, focusing on their power output, sound, and pricing.

1. Eisenmann Exhaust

Eisenmann is a well-respected name in the aftermarket exhaust community, known for producing high-quality systems. Their exhaust for the E39 M5 provides a significant power increase, delivering a sporty sound that many enthusiasts adore.

  • Power Gains: Up to 15-20 horsepower.
  • Sound: Aggressive tone with a deep growl.
  • Cost: Approximately $2,000 – $2,500.

2. Supersprint Exhaust

Supersprint is another reputable brand known for its performance-oriented exhausts. Their system is designed to enhance both power and sound without being overly loud, making it a great option for daily drivers.

  • Power Gains: Up to 10-15 horsepower.
  • Sound: Balanced sound with a refined tone.
  • Cost: Approximately $1,800 – $2,200.

3. Remus Exhaust

Remus exhaust systems are designed to provide a sporty sound while maintaining a level of comfort for everyday use. Their system for the E39 M5 is popular among enthusiasts looking for a mix of performance and civility.

  • Power Gains: Up to 12-18 horsepower.
  • Sound: Sporty yet refined, not overly aggressive.
  • Cost: Approximately $1,500 – $2,000.

4. Borla Exhaust

Borla is known for its innovative design and high-performance exhaust systems. Their offering for the E39 M5 provides a unique sound and has been praised for its build quality.

  • Power Gains: Up to 15-20 horsepower.
  • Sound: Distinctive aggressive sound with a high-pitched tone.
  • Cost: Approximately $1,900 – $2,400.

Comparative Summary

When comparing aftermarket exhausts for the E39 M5, it’s essential to weigh the power gains, sound characteristics, and costs associated with each option. Here’s a quick summary of the options discussed:

  • Eisenmann: 15-20 hp, aggressive sound, $2,000 – $2,500.
  • Supersprint: 10-15 hp, balanced sound, $1,800 – $2,200.
  • Remus: 12-18 hp, sporty yet refined, $1,500 – $2,000.
  • Borla: 15-20 hp, distinctive aggressive sound, $1,900 – $2,400.

Conclusion

Choosing the right aftermarket exhaust for the E39 M5 involves considering various factors, including power, sound, and cost. Each option has its strengths, and the best choice will depend on personal preferences and driving style. Whether you prioritize maximum power or a refined sound, there is an aftermarket exhaust that can enhance your E39 M5 driving experience.