fits model: S3, Wrx, Sti. year: 2004–2007.

( Brand: Gsc Power Division ), ( Manufacturer Part Number: 7025S3 ), ( Type: Camshaft ), ( Ipn: Gsc7025s3 ), ( Vintage Part: No ), ( Performance Part: Yes )
The GSC Power 7025S3 P-D S3 Cams are a high-performance upgrade for your 2006-2007 Subaru WRX and 2004-2007 Subaru STI with a 2.5L engine. These camshafts are designed to significantly enhance your engine's performance, providing a more powerful and responsive driving experience.
The GSC Power 7025S3 P-D S3 Cams are made from billet material, ensuring a high level of durability and reliability. This material is known for its strength and resistance to wear and tear, making it ideal for high-performance applications. The camshafts feature a 282/282 duration at 0.050, which provides an optimal balance of power and efficiency.
The S3 cam profile is designed to improve both low-end and high-end performance. This profile features a larger intake valve opening for increased airflow into the cylinders, resulting in more power during acceleration. The larger exhaust valve opening allows for a more efficient exhaust stroke, reducing backpressure and improving throttle response.
The camshafts are also equipped with hardened lobes and roller cam followers, which help reduce friction and wear on the valvetrain components. This results in a longer lifespan for your engine and improved overall performance.
In addition, the GSC Power 7025S3 P-D S3 Cams come with a 0.550-inch lift, providing a significant increase in power and torque. The cams are also designed to work seamlessly with the factory valvetrain, eliminating the need for additional modifications to your engine.
Overall, the GSC Power 7025S3 P-D S3 Cams are a must-have upgrade for any Subaru WRX or STI enthusiast looking to improve their engine's performance. With their billet construction, optimized cam profile, and durable components, these camshafts are built to last and deliver consistent power gains.
Pros of buying GSC Power 7025S3 P-D S3 Cams for 06-07 2.5L WRX 04-07 STi:1. Increased power and torque: These cams are designed to provide more horsepower and torque, resulting in improved acceleration and overall performance.
2. High-quality materials: The cams are made from billet aluminum, which is strong and durable, ensuring long-lasting performance.
3. Easy installation: The cams are designed to be easy to install, with clear instructions and step-by-step guides available.
4. Improved engine sound: The cams can produce a more aggressive engine sound, which many enthusiasts appreciate.
Cons of buying GSC Power 7025S3 P-D S3 Cams for 06-07 2.5L WRX 04-07 STi:1. Higher cost: Compared to stock cams, these performance cams are more expensive.
2. Potential engine noise: While some people appreciate the aggressive engine sound, others may find it to be too loud or intrusive.
3. Voiding warranty: Installing aftermarket parts like these cams can void the warranty on your vehicle, so be aware of the risks involved.
4. Requires other modifications: These cams may require other modifications to your engine to work properly, such as upgraded valve springs and retainers.
Conclusion:If you're looking to improve the performance of your 06-07 2.5L WRX or 04-07 STi, the GSC Power 7025S3 P-D S3 Cams are a great option. They offer increased power and torque, are made from high-quality materials, and are easy to install. However, they are more expensive than stock cams and may require other modifications to work properly. Additionally, installing aftermarket parts can void the warranty on your vehicle. Ultimately, it's up to you to weigh the pros and cons and decide if these cams are the right choice for you.
Recommendation:If you're serious about improving the performance of your Subaru, I would recommend the GSC Power 7025S3 P-D S3 Cams. However, I would also recommend doing your research and consulting with a professional mechanic to ensure that these cams are the right fit for your vehicle and that you're prepared for any necessary modifications.
A standalone ECU or tune with speed density is highly recommended in order for proper idle characteristics. These camshafts are built to suit high horsepower cars with a Power range of 750-1000 WHP and rev 4500-9500 PMS.