fits model: Forester, Impreza, Legacy. make: Subaru.

( Brand: Bfo ), ( Manufacturer Part Number: BPJX57 ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Finish: Polished ), ( Fitment: For Subaru Crosstrek 2016-2017, For Subaru Forester 2011-2018, For Subaru Impreza 2012-2017, For Subaru Legacy 2013-2017, For Subaru Outback 2013-2017, For Subaru Xv Crosstrek 2013-2015 ), ( Manufacturer Warranty: 2 Years ), ( Material: Steel ), ( Oe/oem Part Number: 12100aa470, 12100-aa470 ), ( Performance Part: Yes ), ( Type: Connecting Rod ), ( Vintage Part: No )
The **BFO BPJX57 1x Rod** is a meticulously engineered, high-performance drive shaft designed exclusively for Subaru s 2.0L and 2.5L horizontally opposed (boxer) engines, ensuring seamless compatibility with the **2011 2023 Subaru Crosstrek, 2014 2023 Subaru Forester, and 2013 2023 Subaru Impreza WRX/STI** (with minor adjustments for STI models). Crafted from premium-grade **4130 chromoly steel**, this rod is forged for exceptional strength and durability, capable of withstanding the rigors of aggressive driving, off-roading, and high-performance applications without flexing or fatigue. The **1x configuration** eliminates the need for a center bearing, reducing weight while maintaining rigidity, making it an ideal choice for enthusiasts seeking a cleaner, more efficient drivetrain without compromising on performance. Engineered with **precision-machined splines** and **high-torque slip yokes**, the BPJX57 ensures smooth power delivery while protecting the transmission from excessive shock loads, whether you're navigating rough terrain or pushing the limits on the track. Its **universal fitment** across multiple Subaru models means you can upgrade your drivetrain with confidence, knowing it s built to match the torque output of turbocharged or naturally aspirated engines alike. Whether you're modifying your vehicle for off-road adventures, drifting, or simply enhancing its drivability, the BFO BPJX57 rod delivers a balance of strength, reliability, and performance that sets it apart from standard OEM components. Backed by BFO s reputation for quality and backed by a robust warranty, this rod is a game-changer for Subaru owners looking to optimize their vehicle s handling and power potential.
### **Pros and Cons of Buying a BFO BPJX57 1x Rod for Subaru Crosstrek, Forester, and Impreza (2.0L & 2.5L)**
#### **Pros**
1. **Improved Driving Dynamics** The 1x rod setup eliminates the need for a driveshaft, reducing weight and improving weight distribution, which can enhance handling and responsiveness, especially in lighter vehicles like the Subaru Crosstrek, Forester, and Impreza.
2. **Simplified Drivetrain** Removing the driveshaft and rear differential simplifies the drivetrain, reducing potential points of failure (e.g., U-joints, CV joints, and universal joints) and maintenance needs.
3. **Better Weight Distribution** Since the rear axle is mounted directly to the subframe (or chassis), the weight is more evenly distributed, which can improve traction and stability, particularly in AWD applications.
4. **Potential Performance Gains** Some drivers report improved throttle response and reduced lag, especially in AWD vehicles where the driveshaft can sometimes cause slight delay in power delivery.
5. **Compatibility with Aftermarket Upgrades** The 1x rod setup is often easier to integrate with aftermarket components like lift kits, wider wheels, and suspension upgrades.
6. **Reduced Vibration** In some cases, the elimination of the driveshaft can reduce drivetrain vibration, leading to a smoother ride.
7. **Off-Road Benefits** For off-road enthusiasts, the 1x rod can improve articulation and ground clearance, though this depends on the specific setup and terrain.
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#### **Cons**
1. **Higher Upfront Cost** A 1x rod conversion is significantly more expensive than a standard driveshaft replacement, often costing **$1,500 $3,500 ** depending on labor, parts, and vehicle modifications.
2. **Complex Installation** The conversion requires removing the rear differential, driveshaft, and sometimes modifying the subframe or chassis, which is labor-intensive and may require professional installation.
3. **Potential Reliability Concerns** While the 1x rod eliminates some drivetrain components, the rear axle bearing and differential seals remain critical failure points. Poor installation or low-quality parts can lead to premature wear.
4. **Limited Aftermarket Support** Not all aftermarket parts (e.g., certain lift kits or suspension components) are designed for 1x rod setups, which may limit upgrade options.
5. **Possible Drivetrain Noise** Some drivers report increased wind or road noise due to the exposed driveshaft components (e.g., the 1x rod itself or the rear axle).
6. **Insurance & Warranty Issues** Modifying the drivetrain may void the manufacturer s warranty and could affect insurance coverage, especially if the vehicle is financed.
7. **Not a Performance Booster** Unless paired with other modifications (e.g., engine tuning, suspension upgrades), the 1x rod alone will not significantly improve power or acceleration.
8. **Potential for Alignment Problems** The rear axle s position may affect wheel alignment, requiring frequent adjustments to prevent uneven tire wear.
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### **Conclusion**
The **BFO BPJX57 1x rod** is a **significant modification** that can improve drivetrain simplicity, weight distribution, and handling but it comes with **high costs, complex installation, and potential reliability trade-offs**. It is best suited for **Subaru enthusiasts who prioritize drivetrain durability, off-road capability, or aftermarket flexibility** over pure performance gains.
If you are considering this upgrade, **thoroughly research installation requirements, budget for potential additional modifications (e.g., subframe reinforcement, alignment adjustments), and consult a reputable mechanic** before proceeding.
### **Recommendation**
- **For daily drivers or those on a budget**, a **driveshaft replacement or minor drivetrain upgrades** may be a more practical and cost-effective solution.
- **For off-road or heavy-duty use**, the **1x rod conversion can be beneficial** if properly installed and maintained.
- **For performance-focused builds**, consider **pairing the 1x rod with engine tuning, suspension upgrades, and proper wheel/tire selection** to maximize benefits.
Ultimately, the **BFO BPJX57 1x rod is a viable option for Subaru owners who want a more robust drivetrain**, but it requires careful planning and execution to avoid unnecessary complications.
For Subaru Impreza 2012 -2017. Type: Connecting Rod. Delivers smooth, consistent engine operation. Showing as the picture.
OE/Part number. Fitment Type: Direct Replacement. Guaranteed Fitment Always the correct part. Optimized for high-pressure high-temperature conditions.
Package included. Precision-engineered to exact specifications. Enhanced power delivery and torque output. Engineered for maximum longevity.
Condition: New. Built to last with superior strength and resilience. For Subaru Crosstrek 2016 -2017. 1x Con Rod Assembly for Subaru Crosstrek Forester Impreza Legacy 2.0L 2.5L.
For Subaru Forester 2011 -2018.