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The Audi B5 S4 is a beloved model among car enthusiasts, known for its performance and tuning potential. One of the most popular upgrades for this vehicle is the RS4 turbo, which can add a significant power boost. In this article, we will break down the costs associated with upgrading to an RS4 turbo on the B5 S4 for an extra 80 horsepower.
Understanding the RS4 Turbo Upgrade
The RS4 turbocharger is designed to provide enhanced airflow and boost pressure, resulting in increased power output. When considering this upgrade, it’s essential to understand the components involved and the overall costs that come with it.
Components Required for the Upgrade
- RS4 Turbocharger
- Upgraded intercooler
- High-flow fuel injectors
- Upgraded fuel pump
- Turbo inlet pipes
- Exhaust system modifications
- ECU remap or tuning
Cost Breakdown
1. RS4 Turbocharger
The cost of the RS4 turbocharger itself can vary based on whether you purchase a new or used unit. On average, expect to pay between $1,500 and $2,500.
2. Upgraded Intercooler
An upgraded intercooler is essential for maintaining optimal temperatures during operation. The price for a quality intercooler ranges from $500 to $1,000.
3. High-Flow Fuel Injectors
To support the increased fuel demand, high-flow fuel injectors are necessary. These typically cost between $300 and $600.
4. Upgraded Fuel Pump
An upgraded fuel pump is crucial for delivering the required fuel pressure. Expect to spend around $200 to $400 for a reliable unit.
5. Turbo Inlet Pipes
Turbo inlet pipes help improve airflow to the turbocharger. These can cost between $100 and $300.
6. Exhaust System Modifications
A proper exhaust system is necessary to handle the increased flow from the turbo. Modifications can range from $300 to $1,000, depending on the extent of the changes.
7. ECU Remap or Tuning
Finally, an ECU remap or tuning session is required to optimize performance. This service can cost between $500 and $1,500.
Total Estimated Costs
When adding up all the components, the total estimated cost for upgrading to an RS4 turbo on the B5 S4 can range from $3,500 to $7,300. Here’s a summary:
- RS4 Turbocharger: $1,500 – $2,500
- Upgraded Intercooler: $500 – $1,000
- High-Flow Fuel Injectors: $300 – $600
- Upgraded Fuel Pump: $200 – $400
- Turbo Inlet Pipes: $100 – $300
- Exhaust System Modifications: $300 – $1,000
- ECU Remap or Tuning: $500 – $1,500
Additional Considerations
While the cost of upgrading to an RS4 turbo can be significant, it’s essential to consider the long-term benefits. Increased horsepower not only enhances driving enjoyment but can also improve the vehicle’s resale value. However, it’s crucial to ensure that all upgrades are performed by qualified professionals to avoid potential issues.
Conclusion
Upgrading to an RS4 turbo on the B5 S4 can provide an impressive boost in performance, translating to an additional 80 horsepower. By understanding the costs associated with each component and considering the long-term benefits, car enthusiasts can make informed decisions about their upgrades. Whether you are a seasoned tuner or a newcomer, this upgrade can transform your driving experience.