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The N55 engine, known for its balance of performance and efficiency, has become a popular choice among car enthusiasts looking to enhance their vehicle’s horsepower. Upgrading the turbocharger is one of the most effective ways to achieve substantial power gains. In this article, we will explore the top 5 turbo upgrades for the N55 engine, focusing on options that can help you reach over 400 horsepower.
1. Garrett GT3071R
The Garrett GT3071R is a well-regarded turbocharger in the performance community. It offers a great balance between spool time and power potential, making it an excellent choice for those looking to push their N55 to new heights.
- Power Range: 350-450 HP
- Spool Time: Quick spool with minimal lag
- Features: Dual ball bearing design for enhanced performance
2. BorgWarner EFR 7670
The BorgWarner EFR 7670 turbocharger is known for its advanced technology and efficiency. It includes features like an integrated wastegate and a TiAL-style compressor housing, which contribute to its impressive performance.
- Power Range: 400-500 HP
- Spool Time: Fast spool due to lightweight components
- Features: Integrated BOV for improved response
3. Precision 6266
The Precision 6266 turbocharger is another popular choice for N55 upgrades. This turbo is capable of supporting high horsepower levels while maintaining reliable performance, making it a favorite among tuners.
- Power Range: 500-600 HP
- Spool Time: Moderate spool with great top-end power
- Features: Large compressor housing for maximum airflow
4. Pure Turbos Stage 2 Turbocharger
The Pure Turbos Stage 2 Turbocharger is designed specifically for the N55 engine and provides a significant upgrade over the stock turbo. It is engineered to deliver enhanced performance without sacrificing reliability.
- Power Range: 400-500 HP
- Spool Time: Quick spool with excellent low-end torque
- Features: Upgraded internals for improved durability
5. VTT N55 Hybrid Turbo
The VTT N55 Hybrid Turbo is a unique option that combines aspects of both stock and aftermarket designs. This turbo aims to provide a balance of power and daily drivability, making it an attractive choice for enthusiasts.
- Power Range: 400-500 HP
- Spool Time: Very quick spool, ideal for street use
- Features: Hybrid design for optimal performance
In conclusion, upgrading the turbocharger on your N55 engine can lead to significant performance improvements. Whether you choose the Garrett GT3071R, BorgWarner EFR 7670, Precision 6266, Pure Turbos Stage 2, or VTT N55 Hybrid Turbo, each option offers unique benefits to help you achieve your horsepower goals. Make sure to consider your specific performance needs and driving style when selecting the right turbo for your build.