fits make: Acura, Honda. year: 2007–2011.

( Brand: Honda ), ( Manufacturer Part Number: MUZ-ETB-16400RAAA21 ), ( Type: Throttle Body ), ( Manufacturer Warranty: 1 Year ), ( Oe/oem Part Number: 67-2004 Tb1245 ), ( Items Included: Throttle Position Sensor ), ( Features: Electronic ), ( Material: Aluminum ), ( Universal Fitment: No ), ( Fuel Type: Gasoline )
The **Honda MUZ-ETB16400RAAA21 Throttle Body** is a high-performance, direct-fit replacement designed to elevate the breathing capacity and responsiveness of your **2007 2011 Acura TL (2.0L & 2.4L engines)** while maintaining seamless integration with your vehicle s factory wiring and mounting hardware. Engineered with precision, this throttle body features a **large, smooth-bore intake passage** that minimizes airflow restriction, allowing for improved throttle response, better fuel atomization, and a more aggressive power delivery ideal for both daily driving and light tuning applications. Crafted from durable **high-grade aluminum**, the throttle body is built to withstand the demands of high-performance setups, including compatibility with aftermarket fuel injectors, ECU tuners, and forced induction systems. The **smooth, polished internals** reduce turbulence and ensure consistent airflow, while the **sealed throttle blade mechanism** prevents carbon buildup, maintaining optimal performance over time. Whether you're chasing a sportier idle, quicker acceleration, or simply a more refined engine sound, this throttle body delivers a noticeable upgrade with minimal installation effort. Perfect for those looking to enhance their Acura s performance without compromising reliability, this part is a straightforward yet impactful addition to any tuning project.
### **Pros and Cons of Buying a Honda MUZ-ETB-16400RAAA21 Throttle Body (Fits Acura 2.0L/2.4L 2007 2011)**
#### **Pros:**1. **Improved Performance** A high-quality throttle body can enhance throttle response, especially if the original is clogged or worn. The MUZ-ETB is designed for better airflow, which can lead to smoother acceleration and better engine efficiency.
2. **Durability and Reliability** Honda and Acura engines are known for longevity, and a well-built throttle body like this one is engineered to withstand high-performance applications without excessive wear.
3. **Compatibility** This specific throttle body is designed to fit Acura TSX (2.0L/2.4L) and other Honda-based models from 2007 2011, ensuring a direct drop-in replacement without major modifications.
4. **Potential for Tuning** If you plan to modify your engine (e.g., forced induction, ECU tuning), a clean throttle body ensures that the engine can handle increased airflow without restrictions.
5. **Cost-Effective Upgrade** Compared to full engine rebuilds or major performance parts, replacing a throttle body is relatively inexpensive and can provide noticeable improvements in drivability.
6. **Easy Installation** Most throttle bodies are straightforward to install, requiring only basic tools and a bit of mechanical knowledge. Many aftermarket kits include installation guides.
7. **Potential for Better Fuel Economy (If Original Was Faulty)** If the original throttle body was dirty or malfunctioning, a clean replacement can restore proper fuel-air mixture, leading to better efficiency.
8. **Warranty and Support** Reputable brands like MUZ often provide warranties, and the part may be backed by customer support in case of defects.
---
#### **Cons:**1. **Mixed Performance Gains** If the engine is already in good condition, the throttle body upgrade may not provide dramatic power gains. Expect noticeable improvements in throttle response but not a significant horsepower boost.
2. **Requires Proper Installation** If not installed correctly, it could lead to air leaks, rough idling, or even stalling. Improper installation may void warranties or require additional fixes.
3. **Compatibility Issues with Heavy Mods** If you plan extreme modifications (e.g., large turbochargers, aggressive ECU tuning), a stock throttle body may still be a bottleneck. In such cases, a performance throttle body (e.g., with larger openings) may be needed.
4. **Potential for Contamination** If the engine has carbon buildup or oil leaks, a new throttle body may not solve underlying issues. A full engine service (valve cleaning, oil changes) may be necessary for optimal results.
5. **Cost of Additional Upgrades** While the throttle body itself is affordable, you may need to invest in an ECU tune, air intake, or exhaust to fully realize performance benefits.
6. **Risk of Counterfeit Parts** If purchasing from an untrusted seller, there s a chance of receiving a knockoff or low-quality replica, which could fail prematurely.
7. **Learning Curve for Tuning** If you re not familiar with ECU tuning, simply replacing the throttle body may not unlock its full potential. Some drivers may need to adjust fuel maps for optimal performance.
8. **Warranty Limitations** Some manufacturers or dealers may not cover throttle body replacements under standard warranties, especially if they were not part of the original build.
---
### **Conclusion:**The **MUZ-ETB-16400RAAA21 throttle body** is a solid, reliable upgrade for Acura 2.0L/2.4L engines from 2007 2011, particularly if the original unit is worn or clogged. It offers **noticeable improvements in throttle response and drivability** without requiring major modifications. However, the gains are **modest in terms of raw power** unless paired with other performance upgrades.
This part is **best suited for drivers** who want a **cost-effective, easy-to-install improvement** rather than a high-performance overhaul. If your engine is already well-maintained, the benefits may be incremental, but if the original throttle body was failing, this replacement can **restore proper function and smooth operation**.
For **serious performance enthusiasts**, consider pairing this with an **ECU tune, high-flow intake, or exhaust** to maximize gains. Always ensure **proper installation** and **compatibility** with other components to avoid issues.
---
### **Recommendation:** **Buy this throttle body if:**- Your Acura s original throttle body is dirty, cracked, or malfunctioning.
- You want **smoother throttle response** without major modifications.
- You re on a **budget-friendly performance upgrade** path.
- You plan to **tune the ECU** or add other performance parts in the future.
**Avoid or reconsider if:**- You expect **dramatic power gains** this is more of a drivability fix than a high-performance part.
- Your engine has **underlying issues** (e.g., carbon buildup, oil leaks) that need addressing first.
- You re purchasing from an **unverified seller** stick to reputable brands or dealers.
- You plan **extreme modifications** (e.g., forced induction) without upgrading other components.
**Final Verdict:** A **worthwhile upgrade for reliability and throttle smoothness**, but not a game-changer for performance. Best used as part of a **gradual tuning and modification process**.
It includes the Throttle Position Sensor. This OEM replacement Throttle Body Assembly is designed specifically for Acura Honda vehicles with a 2.0L or 2.4L engine, made between 2007 -2011.