KYOSTAR Valved Sport Catback Exhaust System for 2015-2023 Mercedes-Benz W205 C63 C63 S AMG M177 4.0L V8

KYOSTAR Valved Sport Catback Exhaust System for 2015-2023 Mercedes-Benz W205 C63 C63 S AMG M177 4.0L Twin Turbo V8

Give your Mercedes-AMG C63 a more distinctive exhaust character with the KYOSTAR Valved Sport Catback Exhaust System. Listed for compatible 2015-2023 Mercedes-Benz W205 C63 and C63 S AMG applications equipped with the M177 4.0L twin-turbocharged V8 engine, this aftermarket exhaust system combines a sport-oriented pipe layout with a valved rear exhaust configuration.

Designed for Mercedes-AMG enthusiasts looking to personalize their vehicle's exhaust setup, the KYOSTAR system features shaped metal exhaust piping and rear exhaust assemblies as shown in the supplied product image.

The valved configuration provides an exhaust valve mechanism that may change the available exhaust flow path depending on its operating position. The exact valve control method, actuator compatibility, and included electronic accessories must be confirmed before purchase.

Whether you're upgrading a compatible W205 C63 or C63 S AMG, this system offers a performance-inspired alternative to selected factory exhaust components.

Features

• Valved sport catback exhaust system for compatible Mercedes-AMG C63 and C63 S applications.
• Listed for the Mercedes-Benz W205 C63/C63 S platform.
• Designed around the M177 4.0L twin-turbocharged V8 engine configuration.
• Sport-oriented aftermarket exhaust pipe layout.
• Valved rear exhaust configuration.
• Shaped metal exhaust piping visible in the product image.
• Rear exhaust assemblies shown in the supplied image.
• Dual-side rear exhaust outlet layout.
• Silver-colored metal exhaust appearance.
• Aftermarket alternative to compatible factory exhaust components.
• Designed for owners seeking a different exhaust tone and character.
• Catback-style exhaust system as identified in the source product title.
• Vehicle-specific exhaust configuration for the listed Mercedes-AMG platform.
• Professional installation and valve-system compatibility verification recommended.

Fitment

Mercedes-Benz C63 AMG:

• 2015-2023 Mercedes-AMG C63 (W205) — M177 4.0L Twin-Turbo V8, subject to actual model year and production configuration.

Mercedes-Benz C63 S AMG:

• 2015-2023 Mercedes-AMG C63 S (W205) — M177 4.0L Twin-Turbo V8, subject to actual model year and production configuration.

Vehicle Make: Mercedes-Benz

Chassis: W205

Engine: M177 4.0L Twin-Turbocharged V8

Source-Listed Model Years: 2015-2023

Exhaust Type: Valved Sport Catback Exhaust

Important Fitment Note

Please verify your Mercedes-Benz chassis code, production year, M177 engine configuration, factory exhaust layout, and valve system before ordering.

The source listing identifies 2015-2023 Mercedes-Benz W205 C63/C63 S AMG applications. This is a source-listed range and does not establish compatibility with every model year or regional vehicle configuration.

Do not determine compatibility based on model year alone. Some newer Mercedes-AMG C63 vehicles use a different chassis and engine platform.

Compatibility with W206 C63, standard C-Class models, C43 AMG, W204 C63, GLC63 AMG, or other Mercedes-Benz platforms is not confirmed.

The supplied information does not independently confirm compatibility with C205 Coupe or A205 Cabriolet body styles. Verify body-style-specific exhaust routing and mounting before purchase.

Vehicles equipped with aftermarket downpipes, modified exhaust systems, or non-factory valve controls may require additional fitment verification.

Before ordering, compare the factory exhaust layout with the product images and verify the pipe connections, hanger positions, rear bumper clearance, and valve control requirements.

Fitment Note

The KYOSTAR Valved Sport Catback Exhaust System is listed for compatible Mercedes-Benz W205 C63 and C63 S AMG applications equipped with the M177 twin-turbocharged V8 engine.

A catback exhaust generally refers to exhaust components installed downstream of the catalytic converter section. The exact included pipe sections should be verified against the complete product package.

The supplied product image shows formed exhaust piping and rear exhaust assemblies with a dual-side outlet layout.

This product is identified as valved. The exact valve actuator type, electronic control method, remote controller inclusion, and compatibility with original factory exhaust controls are not specified.

The supplied specifications do not confirm the pipe diameter, metal grade, wall thickness, exhaust tip dimensions, system weight, measured sound levels, or verified horsepower and torque gains.

An aftermarket exhaust system may change exhaust tone, volume, and driving characteristics compared with the factory configuration. Actual results depend on the vehicle, exhaust components, valve operation, and other modifications.

No specific numerical performance improvement is claimed without supporting vehicle-specific test data.

Professional installation is recommended. Verify the exact application and exhaust valve configuration before ordering.

Product Details & Technical Specifications

Why Upgrade Your Factory Exhaust?

The factory Mercedes-AMG C63 exhaust system is engineered to balance exhaust sound, everyday driving comfort, and vehicle refinement.

An aftermarket valved exhaust provides an alternative exhaust configuration for drivers who want to personalize the sound and appearance of their performance vehicle.

The KYOSTAR Valved Sport Catback Exhaust combines a sport exhaust layout with a valved rear section for compatible Mercedes-AMG applications.

Actual exhaust tone and driving characteristics depend on the complete exhaust configuration, valve operation, and installed modifications. No specific decibel level, horsepower increase, or torque gain is claimed without supporting test data.

FAQ

Q: What Mercedes-Benz models does this exhaust system fit?
A: It is listed for compatible Mercedes-Benz W205 C63 and C63 S AMG applications equipped with the M177 4.0L twin-turbocharged V8.

Q: Will this fit a Mercedes-AMG W205 C63?
A: The W205 C63 is included in the listed applications. Verify the production year and factory exhaust configuration before purchase.

Q: Will this fit a Mercedes-AMG C63 S?
A: The W205 C63 S is included in the source listing. Confirm the chassis and factory exhaust layout before ordering.

Q: Will this fit a 2023 Mercedes-AMG C63?
A: The source lists a range through 2023, but compatibility depends on the exact chassis and engine. Newer C63 models may use a different platform, so verify the W205 chassis and M177 engine before purchase.

Q: Is this designed for the M177 engine?
A: Yes. The supplied product information explicitly identifies the M177 4.0TT engine.

Q: Does this exhaust have valves?
A: Yes. The product name explicitly identifies a valved exhaust configuration.

Q: Does it include a remote controller?
A: A remote controller is not confirmed in the supplied product information.

Q: Can I reuse the factory exhaust valve actuators?
A: Factory actuator compatibility is not confirmed. Please verify before purchase.

Q: Is this a complete catback exhaust system?
A: The source title identifies it as a catback exhaust, but the exact included pipe sections should be confirmed.

Q: Is this made from stainless steel?
A: The exact material and stainless steel grade are not explicitly confirmed in the supplied product description.

Q: What is the exhaust pipe diameter?
A: The exact pipe diameter has not been provided.

Q: Will this fit a Mercedes-AMG C43?
A: Compatibility with C43 applications is not confirmed.

Q: Will this change the exhaust sound?
A: An aftermarket valved exhaust may change exhaust tone and volume. Actual results depend on the complete vehicle setup.

Q: Does this exhaust increase horsepower?
A: No verified dyno data is supplied, so no specific horsepower or torque gain is claimed.

Q: Does this require ECU tuning?
A: A tuning requirement is not specified. Please verify based on your vehicle and existing modifications.

Q: Is professional installation recommended?
A: Yes. Professional installation is recommended to ensure correct exhaust fitment, secure mounting, and proper valve operation.

Installation Note

Allow the exhaust system to cool completely before beginning installation.

Securely raise and support the vehicle using appropriate lifting equipment and manufacturer-approved lifting points.

Inspect the factory exhaust system and verify that the KYOSTAR exhaust components match the intended vehicle's connection points and mounting locations.

Install the exhaust components using the appropriate hardware and procedures for the specific Mercedes-AMG model.

If the system uses exhaust valve actuators or electronic control components, verify their compatibility and installation requirements before connecting or operating the valve system.

Before final tightening, confirm proper exhaust alignment, hanger positioning, and clearance from nearby underbody and rear bumper components.

After installation, inspect all exhaust joints, mounting points, and valve components. Check for exhaust leaks, rattles, vibration, and interference.

Professional installation is recommended.

Warranty & Shipping

Please review the applicable KYOSTAR warranty terms before purchasing. Warranty coverage, duration, and exclusions are subject to the policy in effect at the time of purchase.

Inspect the product upon delivery for visible shipping damage, missing components, or other concerns. Retain the original packaging and contact KYOSTAR customer support if an issue is identified.

Before installation, verify that the received product matches SKU NA-CB-5107-SS-MB and your intended Mercedes-Benz W205 C63 or C63 S AMG application.

Exhaust noise and modification regulations vary by location. Please confirm applicable local requirements before installation or road use.

For fitment assistance, valve-system questions, installation support, shipping information, or after-sales service, please contact KYOSTAR customer service.