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The NC Miata, produced from 2006 to 2015, is a beloved sports car known for its light weight and nimble handling. For enthusiasts looking to enhance performance, bolt-on modifications are an excellent way to increase power without extensive engine work. In this article, we will explore the best bolt-on mods for the NC Miata, focusing on power gains, costs, and installation tips.
1. Cold Air Intake
A cold air intake is one of the simplest and most effective mods you can perform on your NC Miata. By allowing cooler air to enter the engine, it improves combustion efficiency and increases horsepower.
- Power Gain: Typically 5-10 HP
- Cost: $200 – $400
- Installation: Easy, typically takes 1-2 hours
2. Cat-Back Exhaust System
A cat-back exhaust system replaces the stock exhaust from the catalytic converter to the rear of the car. This mod not only enhances sound but also improves exhaust flow, resulting in better performance.
- Power Gain: 5-15 HP
- Cost: $400 – $800
- Installation: Moderate, usually takes 2-3 hours
3. Headers
Upgrading the headers can significantly improve exhaust flow, leading to increased horsepower and torque. This mod works best when combined with a cat-back exhaust system.
- Power Gain: 10-20 HP
- Cost: $500 – $1,000
- Installation: Challenging, may take 3-5 hours
4. Tune
A performance tune can optimize the engine’s air-fuel ratio and ignition timing, unlocking hidden power in your NC Miata. Tunes can be done via handheld tuners or custom ECU reprogramming.
- Power Gain: 10-30 HP
- Cost: $300 – $700
- Installation: Easy, typically takes less than an hour
5. Lightweight Flywheel
A lightweight flywheel reduces rotational mass, allowing the engine to rev more quickly and improving throttle response. This mod is especially beneficial for those who enjoy spirited driving.
- Power Gain: Indirect; improves throttle response
- Cost: $300 – $600
- Installation: Moderate, usually takes 3-4 hours
6. Suspension Upgrades
While not a power mod, upgrading the suspension can dramatically improve handling and stability. Consider coilovers or upgraded sway bars for better performance on the road or track.
- Power Gain: N/A
- Cost: $500 – $2,000
- Installation: Moderate to challenging, usually takes 3-6 hours
7. Performance Tires
Investing in high-quality performance tires can significantly enhance grip and handling. This is crucial for maximizing the potential of any power mods you install.
- Power Gain: N/A
- Cost: $400 – $1,200 for a set
- Installation: Easy, typically takes 1-2 hours
Conclusion
Bolt-on mods for the NC Miata are an excellent way to enhance performance without extensive modifications. Each of the suggested upgrades provides a balance of power gains, costs, and installation ease. Whether you are a weekend warrior or a daily driver, these modifications can help you get the most out of your Miata.