( Brand: Fp Performance ), ( Manufacturer Part Number: FP-AB25GT-RS-0509 ), ( Product Type: Exhaust ), ( UPC: 860015156266 ), ( Fitment Type: Direct Replacement ), ( Product Subtype: Exhaust Kits ), ( Tube Diameter: 2.26 To 2.5 ), ( Tip Finish: Chrome / Polished ), ( Country Of Origin: United States ), ( Brand Type: Aftermarket Branded ), ( Type: Axle-back ), ( Engine Version: 4.6 Ford Modular V8 ), ( Product Details: Performance Axle-back Exhaust System ), ( Department: Performance )
Review FP PERFORMANCE Race Series 304 Axle back Exhaust System Split Rear Exit fits SS
The FP Performance FP-AB25GT-RS-0509 Race 304 Axle-Back Exhaust is a high-performance aftermarket exhaust system designed specifically for the Subaru WRX and STI models with a 2006-2007 production year. This axle-back exhaust system is an excellent upgrade for those seeking improved power and a more engaging driving experience.
The core component of this system is made from 304 stainless steel, ensuring durability and resistance to corrosion. The system's design features a split rear exit, which not only provides an aggressive and distinctive appearance but also enhances the exhaust flow by minimizing the length of the exhaust gases' path.
The FP Performance axle-back exhaust system utilizes a 3-inch diameter piping throughout, increasing the exhaust flow and reducing back pressure. The system comes with high-performance catalytic converters that are designed to optimize exhaust gas flow while maintaining emissions compliance.
One of the most notable benefits of this exhaust system is the significant power gains it provides. The improved exhaust flow results in increased horsepower and torque, making your Subaru WRX or STI more responsive and quicker off the line. Additionally, the exhaust system's design produces a more aggressive and pleasing exhaust note, adding to the overall driving experience.
The FP Performance FP-AB25GT-RS-0509 Race 304 Axle-Back Exhaust is a direct bolt-on replacement for the factory exhaust system. The installation process is relatively straightforward and can typically be completed in a few hours with basic hand tools. The system includes all necessary gaskets, clamps, and hardware for a hassle-free installation.
In summary, the FP Performance FP-AB25GT-RS-0509 Race 304 Axle-Back Exhaust is an excellent upgrade for Subaru WRX and STI owners seeking improved power and an engaging driving experience. Its durability, aggressive appearance, and straightforward installation make it a top choice for those looking to enhance their vehicle's performance.
The FP Performance FP-AB25GT-RS-0509 Race 304 Axle-Back Exhaust with Split Rear Exit is a popular aftermarket exhaust system for the Subaru WRX STI. This exhaust system is known for its enhanced power output, improved exhaust flow, and unique design. However, like any aftermarket part, it comes with its own set of pros and cons.
Pros:1. Power Gain: The FP Performance exhaust system is designed to provide a noticeable power gain. It is reported to increase horsepower and torque, resulting in improved acceleration and overall performance.
2. Exhaust Sound: The split rear exit design of this exhaust system produces a unique and aggressive exhaust note. It provides a satisfying sound that is sure to please any Subaru enthusiast.
3. Durability: The 304 stainless steel used in the construction of this exhaust system ensures durability and longevity. It is resistant to rust and corrosion, making it a great investment for those looking for a long-term exhaust solution.
4. Weight Reduction: Compared to the stock exhaust system, the FP Performance exhaust is lighter, resulting in improved handling and acceleration.
Cons:1. Cost: The FP Performance exhaust system is more expensive than the stock exhaust. It is a significant investment, but for those who value performance and sound, it may be worth the cost.
2. Installation: The installation process of this exhaust system can be complex and time-consuming. It is recommended that it is installed by a professional to ensure proper fitment and function.
3. Loudness: The exhaust system produces a loud exhaust note, which may not be suitable for those who prefer a quieter ride. It may also draw unwanted attention, particularly in residential areas.
Conclusion:The FP Performance FP-AB25GT-RS-0509 Race 304 Axle-Back Exhaust with Split Rear Exit is a high-performance exhaust system that delivers noticeable power gains, improved exhaust flow, and a unique sound. While it comes with a higher price tag and a complex installation process, the benefits of this exhaust system make it a worthwhile investment for those who value performance and sound.
Recommendation:If you are looking to enhance the performance of your Subaru WRX STI and are willing to invest in a high-quality exhaust system, the FP Performance FP-AB25GT-RS-0509 Race 304 Axle-Back Exhaust with Split Rear Exit is an excellent choice. It is important to note that the installation process may require professional assistance, and the loud exhaust note may not be suitable for all driving situations.
specifications frazzlekits:
- for models: Ss
- brand: Fp Performance
- manufacturer part number: FP-AB25GT-RS-0509
- product type: Exhaust
- upc: 860015156266
- fitment type: Direct Replacement
- product subtype: Exhaust Kits
- tube diameter: 2.26 To 2.5
- tip finish: Chrome / Polished
- country of origin: United States
- brand type: Aftermarket Branded
- type: Axle-back
- engine version: 4.6 Ford Modular V8
- product details: Performance Axle-back Exhaust System
- department: Performance
seller frazzlekits:
- # reviews: 151832
- rating: 99.1%
offer frazzlekits:
- availability: In Stock
- started: March 18, 2026
- options: Ship-to-home
- sold: 0
- quantity: 1
payments frazzlekits:
- credit card: Diners-club
- other
- wallet: Apple-pay
shipping frazzlekits:
- class: Standard
- service: UPS Ground
- cost: $0.00
- transit: 19-29 Days
- type: Fixed
- carrier: UPS
returns frazzlekits:
- time: 30 Days
- paid by: Seller
- policy: Returns Accepted
general frazzlekits:
- Car Truck Parts Accessories > Exhaust Emission Systems > Exhaust System Kits
- condition: New
Fp Performance FP-AB25GT-RS-0509 Is Similar To:
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- Fp Performance Fp-ad25-rs Race Series Stainless Steel Cat-back Axle Dump Kit W Split Rear Exit (71.3% similar) $479.95. (September 2nd, 2025)
- Emusa Fp Un 100lss Clu S100x2 72 Inch Ss Flexible Exhaust Tubing 1 Id Repair Pipe With 2xu Bolt Clamps (35.7% similar) $40.99–$169.98. (May 5th, 2026)
