2.67 EUR
Bosal 255-170 Rubber Buffer, silencer
Bosal (3351642551700 / 255-170) | Oe replacement, Bosal exhaust
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BOSAL 255-170 Rubber Buffer – The Ultimate Exhaust Silencer Solution
The Bosal 255-170 Rubber Buffer is a high‑performance, OEM‑grade component designed to fit seamlessly into the exhaust systems of a wide range of vehicles. Whether you’re restoring a classic Toyota Corolla, upgrading a Mazda MX‑5, or maintaining a Hyundai model, this rubber buffer delivers superior noise reduction, vibration damping, and durability.
Key Features
- Precision Engineering: Manufactured to exact OEM specifications, the 255-170 buffer ensures a perfect fit on the exhaust manifold or muffler flange. Its dimensions are calibrated for optimal contact pressure, preventing leaks and maintaining exhaust flow.
- High‑Grade Rubber Composition: The buffer is made from a specially formulated rubber blend that resists heat, oil, and chemical exposure. This composition maintains elasticity at temperatures up to 400 °F (204 °C), ensuring long‑term performance even under heavy engine loads.
- Vibration Isolation: By absorbing mechanical vibrations between the exhaust pipe and mounting brackets, the buffer reduces noise transmission into the vehicle cabin. Drivers experience a noticeably quieter ride without compromising exhaust efficiency.
- Corrosion Resistance: The rubber’s protective coating shields against rust and corrosion that can degrade metal components over time. This extends the life of both the buffer and the surrounding exhaust hardware.
- Universal Compatibility: While originally designed for Toyota, Mazda, and Hyundai models, the 255-170 buffer is also suitable for a variety of other vehicles such as the RAV 4 II/III, Land Cruiser series (KDJ12_, GRJ12_), Yaris Schrägheck, and many more. Its adaptable design makes it a go‑to choice for mechanics and enthusiasts alike.
Installation Overview
The installation process is straightforward and requires minimal tools:
- Preparation: Clean the exhaust flange or mounting surface to remove oil, rust, and debris. A clean surface ensures optimal adhesion.
- Positioning: Place the rubber buffer onto the flange, aligning it with the bolt holes. The buffer’s shape guarantees a snug fit without forcing.
- Securing: Tighten the mounting bolts to the manufacturer’s torque specifications. Over‑torquing can damage the rubber; under‑torquing may lead to leaks.
- Verification: Inspect for any gaps or misalignments. A properly installed buffer should sit flush against both surfaces, with no visible voids.
Performance Benefits
- Noiseless Operation: The buffer’s damping properties reduce exhaust noise by up to 10 dB, providing a quieter driving experience.
- Enhanced Durability: By protecting metal components from direct contact with hot gases and mechanical shocks, the buffer prolongs the lifespan of the entire exhaust system.
- Improved Fuel Efficiency: Maintaining proper exhaust flow reduces backpressure, which can positively influence engine performance and fuel economy.
- Easy Maintenance: The rubber material is resistant to common contaminants, making routine inspections simple and quick.
Applications Across Vehicle Models
The Bosal 255-170 Rubber Buffer is engineered for a broad spectrum of vehicles. Below are some representative applications:
| Vehicle Brand & Model | Specific Use Case |
|---|---|
| Toyota Corolla, Avensis, RAV 4 II/III | Muffler mounting support and exhaust hanger |
| Hyundai Accent, Elantra, Santa Fe | Exhaust system vibration isolation |
| Mazda MX‑5 Miata, Mazda6, Yaris Schrägheck | Silencer support and heat shielding |
| Land Cruiser (KDJ12_, GRJ12_) | Heavy‑duty exhaust mounting bracket protection |
| Various aftermarket applications | Universal fit for custom exhaust builds |
Material and Construction Details
The buffer’s core is a high‑density rubber matrix, reinforced with carbon fibers to enhance structural integrity. The outer layer incorporates a silicone additive that improves heat resistance and prevents surface cracking. This combination ensures the component can withstand repeated thermal cycling without losing elasticity.
Maintenance Tips
- Inspect annually for signs of wear, such as cracks or hardening. Replace if any damage is observed.
- Avoid exposure to extreme temperatures beyond the specified limits; prolonged heat can degrade rubber properties.
- Keep the surrounding area clean from oil and exhaust gases to prevent contamination that could compromise the buffer’s seal.
Why Choose Bosal 255-170?
Choosing the Bosal 255-170 Rubber Buffer means opting for a component that blends engineering precision, material excellence, and proven performance. Its universal compatibility reduces the need for multiple parts across different vehicle models, simplifying inventory management for mechanics and enthusiasts alike. The buffer’s design not only enhances noise reduction but also protects critical exhaust components from wear, ensuring your vehicle remains reliable and efficient for years.
Conclusion
The BOSAL 255-170 Rubber Buffer stands out as a top‑tier solution for exhaust system maintenance and performance enhancement. Its meticulous design, durable construction, and broad applicability make it an indispensable part of any vehicle’s exhaust architecture. Whether you’re restoring a classic car or maintaining a modern sedan, this rubber buffer delivers the quiet, reliable operation that drivers expect.
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| Tags | Oe replacement Bosal exhaust |
| Identifiers | |
| Brand | ![]() Bosal is a brand that specializes in exhaust systems and emissions control products. They offer a wide range of products for both passenger cars and commercial vehicles. Bosal is a well-known and respected brand in the automotive industry, and their products are known for their quality and durability. |
| Model | Bosal 255-170 |
| MPN | Bosal 255-170 |
| ID | 8308570 |
| Dimensions / Weight | |
| Key Features | |

