Comparing Aftermarket Exhausts for the S58: Which Adds the Most Power?

The S58 engine, known for its performance and tuning potential, has garnered significant attention among automotive enthusiasts. One of the most popular modifications for this engine is the aftermarket exhaust system. In this article, we will compare various aftermarket exhausts available for the S58 and analyze which option adds the most power.

Understanding the S58 Engine

The S58 engine, developed by BMW, is a twin-turbo inline-six engine that powers several models, including the BMW M3 and M4. With its robust design and advanced technology, the S58 is capable of producing substantial horsepower and torque. However, many enthusiasts seek to enhance its performance further through modifications, particularly the exhaust system.

The Role of Exhaust Systems

An aftermarket exhaust system can significantly influence an engine’s performance. The primary functions of an exhaust system include:

  • Reducing back pressure
  • Improving exhaust flow
  • Enhancing sound quality
  • Reducing weight compared to stock systems

Factors to Consider When Choosing an Exhaust

When selecting an aftermarket exhaust for the S58, consider the following factors:

  • Material quality (stainless steel vs. titanium)
  • Design (cat-back, axle-back, etc.)
  • Sound level and tone
  • Fitment and installation ease
  • Brand reputation and customer reviews

Several brands offer aftermarket exhaust systems for the S58. Below, we will examine some of the most popular options and their performance claims.

AWE Tuning Exhaust System

AWE Tuning is known for its high-quality exhaust systems. Their exhaust for the S58 promises a significant increase in horsepower and torque, along with a refined sound profile that enhances the driving experience.

Armytrix Valvetronic Exhaust

The Armytrix Valvetronic exhaust system features adjustable valves that allow drivers to control the exhaust tone and volume. This system is designed to optimize performance while providing a customizable sound experience.

Remus Sport Exhaust

Remus offers a sport exhaust option for the S58 that focuses on reducing weight and improving exhaust flow. Users report noticeable power gains and a sporty sound that complements the engine’s character.

Akrapovic Slip-On Exhaust

Akrapovic is a renowned brand in the aftermarket exhaust market, known for its lightweight titanium systems. Their slip-on exhaust for the S58 is designed to enhance performance while providing a distinctive sound.

Performance Comparison of Aftermarket Exhausts

To determine which aftermarket exhaust adds the most power to the S58, we will compare the claimed horsepower gains from each system.

  • AWE Tuning: +20 horsepower
  • Armytrix: +25 horsepower
  • Remus: +15 horsepower
  • Akrapovic: +30 horsepower

Conclusion

Choosing the right aftermarket exhaust for the S58 can significantly impact performance. While the Akrapovic slip-on exhaust claims the highest horsepower gain, factors such as sound preference, material quality, and installation ease should also be considered. Ultimately, the best choice will depend on individual priorities and driving style.