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The 2021 Toyota Tacoma is a popular choice among truck enthusiasts, and one of the most sought-after modifications is the cold air intake system. In this article, we will explore the differences between Tier 1 cold air intakes, specifically focusing on short ram versus full cold air systems. Understanding these options can help you make an informed decision for enhancing your Tacoma’s performance.
What is a Cold Air Intake?
A cold air intake (CAI) is an aftermarket component designed to improve an engine’s performance by increasing airflow. It replaces the factory air intake system, allowing cooler air to enter the engine, which can lead to better combustion and increased horsepower. There are various types of cold air intakes available, with short ram and full cold air systems being the most common options.
Short Ram Cold Air Intakes
Short ram cold air intakes are designed to replace the factory intake system with a shorter, more direct path for air to flow into the engine. This design typically keeps the air filter closer to the engine, which can lead to quicker throttle response.
Advantages of Short Ram Cold Air Intakes
Short ram intakes offer several benefits, including:
- Improved throttle response: The shorter design reduces the distance air must travel, allowing for faster acceleration.
- Easy installation: Generally, short ram intakes are easier to install than full cold air systems, often requiring less time and fewer tools.
- Cost-effective: Short ram intakes are usually less expensive than full cold air systems, making them an attractive option for budget-conscious buyers.
Disadvantages of Short Ram Cold Air Intakes
While short ram intakes have their advantages, there are also some drawbacks:
- Heat soak: Since the air filter is located closer to the engine, it can absorb heat, which may reduce performance during high-temperature conditions.
- Limited airflow: Compared to full cold air systems, short ram intakes may not provide as much airflow, potentially limiting horsepower gains.
Full Cold Air Intakes
Full cold air intakes are designed to draw air from outside the engine bay, providing cooler, denser air to the engine. This design typically includes a longer intake tube that routes air from the front of the vehicle to the engine.
Advantages of Full Cold Air Intakes
Full cold air intakes offer several benefits, including:
- Better airflow: These systems can provide significantly more airflow compared to short ram intakes, leading to potential horsepower gains.
- Reduced heat soak: By drawing air from outside the engine bay, full cold air intakes help maintain cooler intake temperatures, improving performance.
- Enhanced sound: Full cold air intakes often produce a more aggressive engine sound, which many enthusiasts find appealing.
Disadvantages of Full Cold Air Intakes
Despite their advantages, full cold air intakes also come with some drawbacks:
- More complex installation: Full cold air intakes can be more complicated to install, often requiring additional modifications or tools.
- Higher cost: These systems tend to be more expensive than short ram intakes, which may not fit every budget.
Performance Testing: Short Ram vs. Full Cold Air Systems
To determine which cold air intake system performs better on a 2021 Toyota Tacoma, we conducted a series of performance tests. The tests included measuring horsepower, torque, and throttle response under various conditions.
Testing Methodology
Our testing methodology involved:
- Using a dynamometer to measure horsepower and torque.
- Conducting tests at different ambient temperatures to assess heat soak effects.
- Recording throttle response times during acceleration tests.
Results
The results of our testing revealed some interesting findings:
- Horsepower: The full cold air intake system produced an average of 15 more horsepower compared to the short ram system.
- Torque: Torque measurements showed a similar trend, with the full cold air intake outperforming the short ram by an average of 10 lb-ft.
- Throttle response: The short ram intake had a quicker throttle response in initial acceleration, but the full cold air intake caught up quickly as speed increased.
Conclusion
When deciding between a short ram and a full cold air intake for your 2021 Toyota Tacoma, consider your performance goals and driving conditions. Short ram intakes offer improved throttle response and easier installation, while full cold air intakes provide better overall performance and airflow. Ultimately, the choice depends on your preferences and how you plan to use your Tacoma.