( Brand: Tomei Usa ), ( Type: Muffler ), ( Outlet Diameter: 115mm ), ( Color: Silver ), ( Manufacturer Part Number: PB609B-INS04 ), ( Material: Metal ), ( Features: Easy To Replace ), ( Placement On Vehicle: Exhaust ), ( UPC: 580762736011 )
Review TOMEI USA Expreme Ti Sound Reducer V2 115mm Most Exhaust Sti/evo fits EVO STI
The Tomei PB609B-INS04 Expreme Sound Reducer V2 is a high-performance exhaust system designed for Subaru STi and Evolution models. This exhaust system is an upgrade from the original Expreme Sound Reducer, offering enhanced sound reduction capabilities and improved performance.
The Tomei Expreme Sound Reducer V2 is made of premium materials, including a high-performance stainless steel muffler and a large diameter, thick-walled titanium exhaust pipe. The muffler features a multi-core design that utilizes a special sound absorption material to reduce exhaust noise without compromising performance. The large diameter and thick-walled titanium exhaust pipe help to minimize back pressure and maximize exhaust flow.
This exhaust system is designed to fit Subaru STi and Evolution models with a catalytic converter diameter of 115mm. The system comes with all necessary mounting hardware and gaskets for a straightforward installation process. The Tomei Expreme Sound Reducer V2 is also CARB (California Air Resources Board) certified, making it a legal alternative for vehicles registered in California.
One of the key benefits of the Tomei Expreme Sound Reducer V2 is its ability to significantly reduce exhaust noise levels while maintaining an acceptable performance sound. The system has been tested to reduce exhaust noise by up to 10dB, making it an ideal choice for those who want to enjoy the power and performance of their Subaru without the unwanted noise.
In addition to its sound reduction capabilities, the Tomei Expreme Sound Reducer V2 also offers performance benefits. The large diameter titanium exhaust pipe helps to reduce back pressure, allowing the engine to breathe more efficiently and deliver improved power and torque. The system also features a straight-through design that helps to minimize exhaust flow restrictions, ensuring optimal engine performance.
Overall, the Tomei PB609B-INS04 Expreme Sound Reducer V2 is a high-quality exhaust system that offers significant sound reduction capabilities while maintaining performance and delivering a more refined exhaust note. It is a must-have upgrade for any Subaru STi or Evolution owner looking to reduce exhaust noise and maximize performance.
The Tomei PB609B-INS04 Expreme Sound Reducer V2 is a popular exhaust system component designed for Subaru STI and Evo models. This part is known for its effectiveness in reducing exhaust noise, enhancing performance, and improving the overall driving experience. In this analysis, we will discuss the pros and cons of buying this product to help you make an informed decision.
Pros:1. Sound Reduction: The primary function of this component is to reduce exhaust noise. It utilizes a high-density sound absorption material that effectively minimizes the sound level, making the ride quieter and more comfortable.
2. Performance Enhancement: Although the main purpose is sound reduction, this part also contributes to performance improvement. By reducing back pressure, the engine can breathe more freely, leading to increased power and torque.
3. Durable Design: Tomei is known for its high-quality components. The Expreme Sound Reducer V2 is no exception. It is designed to withstand the extreme conditions of racing and high-performance driving.
4. Easy Installation: This product is relatively easy to install. It comes with a simple clamp design that allows for a straightforward installation process.
5. Improved Exhaust Flow: By reducing exhaust gas turbulence, the Expreme Sound Reducer V2 improves exhaust flow, contributing to improved engine efficiency.
Cons:1. Cost: The Tomei Expreme Sound Reducer V2 is not an inexpensive upgrade. It is priced higher than some other sound reducer options in the market.
2. Limited Compatibility: This product is specifically designed for Subaru STI and Evo models. It may not be compatible with other vehicle makes and models.
3. No CARB Compliance: This product is not certified by the California Air Resources Board (CARB). If you live in California or another state with similar emissions regulations, you may not be able to use this product.
Conclusion:The Tomei PB609B-INS04 Expreme Sound Reducer V2 is an excellent choice for Subaru STI and Evo owners seeking to reduce exhaust noise and enhance performance. Its durable design, easy installation, and improved exhaust flow make it a worthwhile investment. However, its high cost and limited compatibility are significant factors to consider. Ultimately, if you prioritize a quieter and more powerful driving experience and can afford the price tag, the Tomei Expreme Sound Reducer V2 is a solid recommendation.
specifications mufflermooch:
- for models: Sti, Evo
- brand: Tomei Usa
- type: Muffler
- outlet diameter: 115mm
- color: Silver
- manufacturer part number: PB609B-INS04
- material: Metal
- features: Easy To Replace
- placement on vehicle: Exhaust
- upc: 580762736011
seller mufflermooch:
- # reviews: 239
- rating: 100.0%
returns mufflermooch:
- policy: No Returns
offer mufflermooch:
- availability: In Stock
- sold: 0
- started: November 26, 2025
- quantity: 1
- options: Ship-to-home
shipping mufflermooch:
- transit: 6-12 Days
- cost: $0.00
- service: USPS Ground Advantage
- class: Standard
- carrier: USPS
- type: Calculated
payments mufflermooch:
- credit card: Visa
- wallet: Paypal
- other
general mufflermooch:
- Car Truck Parts Accessories > Exhaust Emission Systems > Mufflers Resonators
- condition: Used
Tomei Usa PB609B-INS04 Is Similar To:
- Tomei Usa Pb609b-sbr02 Expreme Ti Silencer Band Rubber 117mm (59.2% similar) $10.00–$17.99. (May 1st, 2026)
