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The Infiniti G35 is a popular choice among car enthusiasts looking to enhance performance and sound. One of the most common modifications is the installation of aftermarket headers. But are aftermarket headers worth the investment? In this article, we will explore the benefits of aftermarket headers, focusing on Stillen and Kooks headers for the Infiniti G35.
Understanding Aftermarket Headers
Aftermarket headers are designed to replace the factory exhaust manifolds, improving exhaust flow and overall engine performance. By reducing back pressure, headers can enhance horsepower and torque, making them a popular upgrade for performance-oriented drivers.
Benefits of Aftermarket Headers
Upgrading to aftermarket headers can provide several advantages:
- Improved Exhaust Flow: Aftermarket headers are often designed with larger diameter tubing and smoother bends, allowing for better exhaust flow.
- Increased Horsepower: With improved exhaust flow, many drivers experience a noticeable increase in horsepower and torque.
- Enhanced Sound: Aftermarket headers can give your G35 a deeper, more aggressive exhaust note.
- Weight Reduction: Many aftermarket headers are lighter than factory options, contributing to overall vehicle weight reduction.
Stillen Headers for Infiniti G35
Stillen headers are a well-known option for Infiniti G35 owners. They are designed to improve performance while maintaining a factory-like fit and finish.
Features of Stillen Headers
Some of the key features of Stillen headers include:
- Stainless Steel Construction: Made from high-quality stainless steel for durability and resistance to corrosion.
- Mandrel-Bent Tubing: Ensures smooth exhaust flow and improved performance.
- Direct Bolt-On Installation: Designed for easy installation without the need for modifications.
Performance Gains with Stillen Headers
Many G35 owners report significant performance improvements after installing Stillen headers. Common gains include:
- Increased horsepower by approximately 10-15 whp.
- Improved torque throughout the power band.
- Enhanced throttle response.
Kooks Headers for Infiniti G35
Kooks headers are another popular choice among G35 enthusiasts. Known for their performance-oriented design, Kooks headers aim to maximize exhaust flow and engine efficiency.
Features of Kooks Headers
Kooks headers offer several standout features, including:
- High-Quality Materials: Constructed from premium stainless steel for longevity and performance.
- 3/8″ Thick Flanges: Provides a solid mounting surface to prevent warping.
- Long Tube Design: Optimized for maximum exhaust flow and performance gains.
Performance Gains with Kooks Headers
Many users have reported impressive performance improvements after installing Kooks headers. Typical gains include:
- Horsepower increase of around 15-20 whp.
- Significant torque improvements across the RPM range.
- More aggressive exhaust note compared to factory headers.
Comparing Stillen and Kooks Headers
When considering aftermarket headers for your Infiniti G35, it’s essential to compare the two leading options: Stillen and Kooks. Here’s a breakdown of how they stack up against each other:
- Performance: Both brands offer substantial performance gains, but Kooks may provide slightly more horsepower.
- Installation: Stillen headers are known for their straightforward installation process, while Kooks may require a bit more effort.
- Sound: Kooks headers typically produce a louder and more aggressive exhaust note.
- Price: Pricing can vary, so it’s essential to compare current market prices for both brands.
Conclusion: Are Aftermarket Headers Worth It?
In conclusion, aftermarket headers can be a worthwhile investment for Infiniti G35 owners looking to enhance performance and sound. Both Stillen and Kooks headers offer significant benefits, and the choice between them will depend on personal preferences regarding installation, sound, and performance goals.
Ultimately, upgrading to aftermarket headers can provide the performance boost many enthusiasts seek, making it a valuable modification for those looking to get the most out of their G35.