Table of Contents
The Audi S4 B9 is a performance-oriented vehicle that has garnered attention for its impressive power and handling. One of the most popular modifications among enthusiasts is the installation of an aftermarket exhaust system. In this article, we will explore how much horsepower the AWE Touring 3-inch exhaust adds to the Audi S4 B9, backed by real results from dyno tests.
Understanding Exhaust Systems
Before diving into the specifics of the AWE Touring exhaust, it’s essential to understand the role of an exhaust system in a vehicle’s performance. The exhaust system is responsible for expelling exhaust gases from the engine, and its design can significantly impact engine efficiency and power output.
Key factors that influence exhaust performance include:
- Pipe diameter
- Material quality
- Design and layout
- Type of muffler
AWE Touring 3-inch Exhaust Overview
The AWE Touring 3-inch exhaust system is designed specifically for the Audi S4 B9. It features a larger diameter piping compared to the stock exhaust, which allows for improved airflow and reduced backpressure. This design aims to enhance the overall performance of the vehicle.
Some notable features of the AWE Touring exhaust include:
- 3-inch mandrel-bent tubing
- High-quality stainless steel construction
- Aggressive sound profile
- Retains OEM fitment for easy installation
Dyno Testing Results
To quantify the performance gains from the AWE Touring exhaust, several dyno tests were conducted on an Audi S4 B9. These tests measured the horsepower and torque outputs before and after the installation of the exhaust system.
The results showed a noticeable increase in horsepower:
- Stock horsepower: Approximately 349 hp
- Horsepower with AWE Touring exhaust: Approximately 385 hp
- Horsepower gain: Approximately 36 hp
These results indicate that the AWE Touring exhaust system adds a significant amount of horsepower to the Audi S4 B9, enhancing its performance capabilities.
Torque Improvements
In addition to horsepower, torque is another critical performance metric. The dyno tests also revealed improvements in torque output:
- Stock torque: Approximately 369 lb-ft
- Torque with AWE Touring exhaust: Approximately 400 lb-ft
- Torque gain: Approximately 31 lb-ft
The increase in torque further enhances the driving experience, providing better acceleration and responsiveness.
Sound and Performance
One of the most appealing aspects of the AWE Touring exhaust is its sound profile. The system is designed to produce an aggressive yet refined exhaust note that complements the sporty nature of the Audi S4 B9.
Key sound characteristics include:
- Deep, throaty growl during acceleration
- Minimal drone at cruising speeds
- Enhanced auditory feedback for the driver
Installation Process
The installation of the AWE Touring 3-inch exhaust is designed to be straightforward, allowing enthusiasts to upgrade their exhaust system with ease. The system retains the OEM fitment, ensuring compatibility with the existing mounting points.
Steps for installation include:
- Lift the vehicle securely using jack stands.
- Remove the stock exhaust system.
- Install the AWE Touring exhaust using the provided hardware.
- Double-check all connections and ensure proper alignment.
With basic tools and mechanical knowledge, most owners can complete the installation within a few hours.
Conclusion
The AWE Touring 3-inch exhaust system offers significant performance gains for the Audi S4 B9, adding approximately 36 horsepower and 31 lb-ft of torque based on dyno results. In addition to the performance benefits, the exhaust system enhances the vehicle’s sound, providing an exhilarating driving experience.
For Audi S4 B9 owners looking to elevate their vehicle’s performance, the AWE Touring exhaust is a worthy investment that combines quality, sound, and power enhancement.