SUBARU IZ611180 Carbon Fiber Driveshaft

( Manufacturer Part Number: IZ611180 ), ( Type: Driveshaft ), ( Universal Fitment: No ), ( Transmission Type: Manual ), ( Performance Part: Yes ), ( Country Of Origin: United States )

Review SUBARU Pst Carbon Fiber Driveshaft fits WRX STI 2008–2014

The **PST Iz611180 Carbon Fiber Driveshaft** is a high-performance, precision-engineered replacement for the stock driveshaft in the 2008 2014 Subaru WRX STI, designed to deliver unmatched strength, weight savings, and durability while maintaining perfect balance and alignment. Crafted from aerospace-grade **carbon fiber composite**, this driveshaft eliminates the weight and flex issues inherent in traditional steel or billet driveshafts, resulting in a significant reduction in rotational mass typically around **30 40% lighter** than OEM units without compromising structural integrity. The carbon fiber construction ensures exceptional torsional stiffness, minimizing parasitic drag and enhancing driveline efficiency, which translates to improved throttle response, quicker spool-up times, and a more engaging driving experience, particularly under heavy power delivery or aggressive driving conditions. Unlike aftermarket steel or billet alternatives, this driveshaft features a **fully balanced and dynamically tuned design**, eliminating the need for additional balancing services, and its seamless integration with the stock yokes and universal joints ensures a drop-in installation with minimal modification required. The **high-modulus carbon fiber weave** is engineered to withstand the extreme stresses of high-performance driving, including aggressive launches, aggressive shifting, and sustained high-RPM operation, making it ideal for both track and street applications. Additionally, the driveshaft s **sleek, low-profile design** not only reduces aerodynamic drag but also provides a cleaner aesthetic under the hood, complementing the STI s sporty heritage. Whether you're pushing the limits on the track, chasing lap times, or simply seeking a more refined and responsive drivetrain for daily driving, the PST Iz611180 Carbon Fiber Driveshaft represents the pinnacle of modern driveline technology, offering a seamless blend of weight savings, rigidity, and reliability that elevates the STI s already formidable performance to new heights.

### Pros and Cons of Buying a PST iZ611180 Carbon Fiber Driveshaft for a 2008 2014 Subaru WRX STi

1. **Weight Reduction** Carbon fiber driveshafts are significantly lighter than traditional steel or billet aluminum shafts. This reduces unsprung weight, improving handling, acceleration, and braking by shifting mass closer to the center of the vehicle. For a high-performance car like the WRX STi, even small weight savings contribute to better dynamics.

2. **Stiffness and Vibration Damping** Carbon fiber is inherently stiffer than steel, which can reduce drivetrain vibrations and flex, particularly under heavy throttle or aggressive driving. This leads to a more refined and engaging driving experience, especially in a turbocharged car where torsional forces are higher.

3. **Durability and Strength** Modern carbon fiber driveshafts are engineered to match or exceed the strength of steel shafts. The PST iZ611180 is designed with high-performance materials and advanced manufacturing techniques, ensuring it can handle the torque output of a stock or modified WRX STi (up to 450 500 lb-ft with stock internals).

4. **Aesthetics** The sleek, black carbon fiber finish adds a premium look to the undercarriage, which can be appealing for enthusiasts who prioritize both performance and appearance.

5. **Compatibility** The PST iZ611180 is specifically designed for the 2008 2014 Subaru WRX STi, ensuring a direct drop-in replacement with minimal modifications required. It includes the necessary yokes and splines for seamless installation.

6. **Potential for Future Mods** If you plan to add more power (e.g., turbo upgrades, bigger intercooler, or exhaust), a carbon fiber driveshaft can better handle the increased stress without the risk of flex or failure that might occur with a steel shaft.

7. **Longevity with Proper Care** Carbon fiber is resistant to corrosion and does not require lubrication like universal joints in steel shafts. With proper installation and maintenance (e.g., avoiding extreme off-roading or abuse), it can last as long as or longer than a steel shaft.

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1. **Cost** Carbon fiber driveshafts are significantly more expensive than steel or even billet aluminum shafts. The PST iZ611180 typically costs **$1,500 $2,500**, depending on the retailer and any included accessories (e.g., yokes, gaskets). This is a substantial investment compared to a steel shaft, which can cost **$300 $800**.

2. **Installation Complexity** While the PST shaft is a direct replacement, installing it requires careful alignment of the yokes and universal joints. Improper installation can lead to premature wear or failure. If you re not experienced with driveshaft work, you may need to pay a mechanic for installation, adding to the cost.

3. **Potential for Damage in Off-Road or Extreme Conditions** Carbon fiber is strong but not indestructible. While it can handle most on-road and track use, severe off-roading, rock crawling, or heavy abuse (e.g., hitting deep ruts or obstacles) could cause micro-fractures or delamination over time. Steel shafts are more forgiving in such scenarios.

4. **Limited Aftermarket Support** If something goes wrong with the carbon fiber shaft (e.g., a yoke failure), finding replacement parts or a specialist to repair it may be harder than with a steel shaft, where universal joints and bearings are widely available.

5. **Resale Value Impact** While not a major concern for most owners, a carbon fiber driveshaft may not be as appealing to buyers who prefer stock or budget-friendly modifications. However, this is more of a consideration for those planning to sell the car later.

6. **Noise and Feel Differences** Some drivers report that carbon fiber shafts can introduce slight changes in drivetrain feel, such as a marginally different hum or vibration signature compared to steel. While this is usually negligible, it may be noticeable to drivers accustomed to a stock setup.

7. **Not a "Set and Forget" Solution** Like any high-performance component, a carbon fiber driveshaft requires proper installation, periodic inspection, and maintenance (e.g., checking for cracks, ensuring yokes are tight, and verifying U-joint lubrication if applicable). Neglecting these steps could void warranties or lead to failure.

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The PST iZ611180 carbon fiber driveshaft is an excellent upgrade for a 2008 2014 Subaru WRX STi, especially for drivers who prioritize weight reduction, stiffness, and a refined drivetrain. It s ideal for those who:

- Want to enhance performance on the track or in aggressive driving.

- Are willing to invest in a premium component for long-term durability.

- Prefer the aesthetic appeal of carbon fiber.

- Plan to add power or modify their STi further.

- Budget-conscious buyers who can achieve similar benefits with a high-quality steel or billet aluminum shaft.

- Owners who frequently engage in extreme off-roading or rough terrain driving.

- Those uncomfortable with the higher cost or installation complexity.

If you re serious about maximizing your WRX STi s performance and don t mind the investment, the PST carbon fiber driveshaft is a worthwhile upgrade. For casual drivers or those on a tighter budget, a well-built steel shaft (e.g., from brands like **Dino, JE, or Subaru-specific manufacturers**) may offer a more practical alternative with similar performance gains.

- You re committed to a high-performance STi and want the best possible drivetrain stiffness and weight savings.

- You have the budget ( $1,500 $2,500) and plan to install it yourself or with a trusted mechanic.

- You prioritize longevity and corrosion resistance over cost.

- You re on a tighter budget and can find a high-quality steel or billet aluminum shaft that meets your needs.

- You frequently drive in extreme conditions where carbon fiber s rigidity might be a liability.

- You re unsure about installation and prefer a simpler, more forgiving driveshaft.

For most WRX STi enthusiasts, the PST carbon fiber driveshaft is a **strong recommendation** it s a small but meaningful upgrade that pays dividends in handling and drivability. Just ensure you re prepared for the cost and installation requirements.

Details:

New, never used.

part #: iz611180 price

• $1200.00

specifications universajoin:

• for models: Wrx, Sti
• for makes: Subaru
• for years: 2008-2014
• mpn: Iz611180
• type: Driveshaft
• universal fitment: No
• transmission type: Manual
• performance part: Yes
• country of origin: United States

seller universajoin:

• rating: 100.0%
• city: Austin, Texas
• # reviews: 76

general universajoin:

• Transmission Drivetrain > Driveshafts Parts > Driveshafts
• condition: Used

returns universajoin:

• policy: No Returns

offer universajoin:

• options: Ship-to-home
• availability: In Stock
• quantity: 1
• started: March 17, 2026
• sold: 0

shipping universajoin:

• service: USPS Ground Advantage
• transit: 4-10 Days
• carrier: USPS
• type: Fixed
• class: Standard
• cost: $80.00

payments universajoin:

• wallet: Google-pay
• other
• credit card: Discover

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