fits model: 250r, Crf. year: 2004–2005.

( Brand: Pro Circuit ), ( Manufacturer Part Number: 4HO4250R-TI ), ( Mounting Style: Slip-on ), ( Type: Muffler ), ( Machine Type: Off-road Motorcycle ), ( Color: Silver ), ( Material: Titanium ), ( Universal Fitment: No ), ( Placement On Vehicle: Exhaust )
The **Pro Circuit 4HO4250R-TI 2004-2005 CRF250R Race Titanium Exhaust** is a high-performance aftermarket system meticulously engineered to transform the stock exhaust of Honda s iconic CRF250R into a precision-tuned, race-ready component. Designed exclusively for the 2004 and 2005 model years, this titanium exhaust system delivers an unparalleled blend of weight savings, superior sound, and enhanced engine efficiency, making it a favorite among track-focused riders and performance enthusiasts. Crafted from **Grade 5 titanium**, the exhaust features a **4-inch diameter main pipe** with a **high-flow, low-restriction design**, ensuring optimal exhaust gas evacuation while minimizing backpressure. The system incorporates a **race-inspired, aggressive tip** that not only amplifies the engine s growl but also contributes to a more aggressive, sporty exhaust note ideal for those who demand a throaty, competitive sound without sacrificing compliance. The **full titanium construction** eliminates the need for heat shields, reducing weight by nearly 50% compared to stainless steel alternatives, which translates to improved handling and acceleration. Additionally, the **precision-machined baffles** and **optimized flow paths** enhance mid-range power and throttle response, allowing the CRF250R s naturally aspirated engine to breathe more freely. Whether on the track or on the trail, this exhaust system elevates the CRF250R s performance, offering a seamless integration with the stock engine while pushing its limits with a refined yet aggressive exhaust note. Built to withstand the rigors of high-performance riding, the Pro Circuit 4HO4250R-TI is a must-have upgrade for riders seeking a balance of speed, style, and precision.
### Pros and Cons of buying a Pro Circuit 4HO4250R-TI (2004-2005 CRF250R Race Titanium Exhaust)
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#### **Pros:**1. **Performance Enhancement** The titanium exhaust system is designed to improve exhaust flow, reduce backpressure, and increase horsepower and torque. Titanium is lighter than stainless steel, which can also improve throttle response and acceleration.
2. **Durability and Strength** Titanium is highly resistant to corrosion and heat, making this exhaust system more durable than aftermarket stainless steel options, especially in demanding racing conditions.
3. **Lightweight** Compared to traditional steel or stainless steel exhausts, titanium is significantly lighter, which can reduce overall bike weight and improve handling and agility.
4. **Aesthetic Appeal** The sleek, polished titanium finish gives the bike a premium, high-performance look, which is attractive for enthusiasts who value appearance as much as performance.
5. **Compatibility** This exhaust is specifically designed for the 2004-2005 Honda CRF250R, ensuring a proper fit without modifications. It maintains OEM mounting points and connections, reducing the risk of leaks or installation issues.
6. **Sound Characteristics** While exhausts like this typically produce a louder, more aggressive tone, the titanium material can also contribute to a slightly different (often more refined) exhaust note compared to heavy steel systems.
7. **Reliability for Racing** If you plan to use this bike for racing, the titanium exhaust is built to withstand the stresses of competition, including high RPMs and repeated impacts.
8. **Minimal Maintenance** Titanium resists rust and corrosion, so you won t have to worry about frequent cleaning or replacements due to wear and tear from the elements.
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#### **Cons:**1. **High Cost** Titanium exhaust systems are significantly more expensive than OEM or aftermarket stainless steel alternatives. The price reflects the material and craftsmanship, which may not be justified for casual riders.
2. **Limited Availability and Installation Complexity** While this exhaust is designed for your bike, installing it may require some mechanical skill, especially if you re unfamiliar with exhaust modifications. Professional installation is recommended to ensure a proper seal and fit.
3. **Potential for Overkill** For street riding, the performance gains from a titanium exhaust may not be noticeable enough to justify the cost. If you re not racing or track-daily, the benefits may be minimal compared to a more affordable stainless steel exhaust.
4. **Noise Regulations** Some regions or racing organizations have strict noise limits. A titanium exhaust may produce a louder exhaust note, which could lead to violations if not compliant with local laws or track rules.
5. **Weight Savings May Be Negligible** While titanium is lighter, the overall weight difference compared to a high-quality stainless steel exhaust may be small enough that it doesn t significantly impact handling for most riders.
6. **Resale Value Impact** If you plan to sell the bike later, a titanium exhaust could either increase or decrease its resale value depending on the buyer s preferences. Some may see it as a premium upgrade, while others may prefer OEM or more affordable aftermarket options.
7. **Potential for Damage** Titanium is strong but can be prone to cracking or bending if subjected to extreme impacts or poor installation. Unlike steel, it doesn t bend easily, so improper handling during installation or crashes could lead to costly repairs.
8. **Limited Customization** Unlike some aftermarket exhausts, this is a direct replacement system. If you want additional modifications (e.g., different tip diameters or muffler configurations), you may need to source additional parts.
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### **Ending Conclusion:**The Pro Circuit 4HO4250R-TI titanium exhaust is an excellent choice if you are a serious rider, racer, or enthusiast who prioritizes performance, durability, and aesthetics. The titanium material offers superior strength, weight savings, and resistance to corrosion, making it ideal for high-stress applications like racing or track use. However, the high cost and potential overkill for street riding mean it may not be the best investment for casual riders or those on a tight budget.
If you are committed to maximizing your CRF250R s performance and are willing to pay for premium components, this exhaust is a strong recommendation. For riders who primarily use their bike on the street or want a more budget-friendly upgrade, a high-quality stainless steel exhaust might offer a better balance of performance and cost.
### **Recommendation:**- **Buy it if:** You race the CRF250R, track-daily, or prioritize lightweight, high-performance components. You are willing to invest in a premium exhaust system that will last and enhance your bike s capabilities.
- **Avoid it if:** You primarily ride on the street, are on a budget, or prefer a more affordable aftermarket exhaust. Consider a stainless steel exhaust (e.g., Akrapovic, Pro Circuit stainless, or OEM replacement) as a cost-effective alternative.
- **Consider alternatives:** If you like the look and performance but want to save money, look for a titanium-tipped stainless steel exhaust or a high-end stainless steel system that offers a similar aesthetic and some performance benefits.
I have a Pro Circuit TI-4 slip on for 2004 - 2005 CRF250R or 2004 2006 CRF250X. The muffler does have a slight pinhole where the packing is coming out as well dent. The mid pipe looks to be unused. This was used on Mike Browns 2005 CRF250R privateer bike in the Outdoor Nationals.