KYOSTAR Catless Downpipes for 2015+ Mercedes-Benz C400 C450 C43 AMG X253 GLC43 W212 E43 E400 M276 3.0T

KYOSTAR Catless Downpipes for Mercedes-AMG C43 GLC43 E43 M276 3.0T Twin-Turbo V6

Upgrade your Mercedes-AMG M276 3.0T twin-turbo V6 platform with the KYOSTAR Catless Downpipes, designed for selected C43 AMG, GLC43 AMG, E43 AMG, and compatible Mercedes-Benz models. Featuring a high-flow catless design, these downpipes help reduce factory exhaust restriction, improve exhaust gas flow, and support faster turbo response, sharper throttle feel, and a more aggressive exhaust character.

Manufactured from durable 304 stainless steel, the KYOSTAR downpipes are engineered for heat resistance, corrosion protection, and long-term performance use. The optimized pipe routing and factory-style mounting points provide a clean installation solution for enthusiasts upgrading their Mercedes-AMG exhaust system, especially when combined with ECU tuning and supporting performance modifications.

Features

• High-flow catless design helps reduce exhaust restriction and improve turbocharger exhaust flow.

• 304 stainless steel construction provides excellent durability, heat resistance, and corrosion protection.

• Optimized exhaust routing supports improved turbo response and performance potential.

• Designed specifically for Mercedes-Benz M276 3.0T twin-turbo V6 applications.

• Provides a more aggressive exhaust tone compared with the factory catalytic converter setup.

Fitment

• 2015+ Mercedes-Benz W205 C400 M276 3.0T

• 2015+ Mercedes-Benz W205 C450 AMG M276 3.0T

• 2015+ Mercedes-AMG W205 C43 AMG M276 3.0T

• 2020-2022 Mercedes-AMG X253 GLC43 M276 3.0T

• 2017-2019 Mercedes-AMG W213 E43 M276 3.0T

• 2017-2019 Mercedes-Benz W213 E400 M276 3.0T

• 2016-2018 Mercedes-Benz W212 E400 M276 3.0T

Note:

Compatible engine: Mercedes-Benz M276 3.0L Twin-Turbo V6 engine applications only.
Incompatible engine: Not compatible with M177 4.0T V8 AMG models, M274/M264 2.0T engines, diesel engines, naturally aspirated engines, or other platforms.
Usage: Catless downpipes are intended for off-road and motorsport applications only where permitted by local regulations.
Verify chassis: Confirm your vehicle chassis code, engine code, production year, and factory exhaust configuration before purchase.
Verify connection: Check turbo outlet connections, O2 sensor locations, mounting points, and exhaust routing before installation.

Fitment Note:
Mercedes-Benz exhaust configurations may vary depending on production date, market specification, emissions equipment, and previous modifications. Please compare your factory downpipes, sensor locations, and exhaust connections with the product photos before ordering.

Professional installation is recommended. Proper installation, exhaust leak inspection, and ECU calibration are recommended for vehicles equipped with upgraded exhaust components.

Package Includes

• Pair of Catless Downpipes

• Installation Hardware

• Clamps and Accessories as Included

Product Details

FAQ

Q: What Mercedes models does this downpipe fit?
A: This catless downpipe set is designed for selected Mercedes-Benz and AMG models equipped with the M276 3.0T twin-turbo V6 engine, including C43 AMG, GLC43 AMG, and E43 AMG applications.

Q: Is this compatible with M177 4.0T AMG engines?
A: No. This product is specifically designed for M276 3.0T V6 applications and does not fit M177 V8 AMG models.

Q: Will these downpipes increase exhaust sound?
A: Yes. The catless high-flow design reduces exhaust restriction and provides a more aggressive exhaust tone.

Q: Is ECU tuning required after installation?
A: ECU tuning may be recommended depending on the vehicle setup to optimize performance and properly manage emissions-related warnings.

Q: Are these suitable for daily driving?
A: These downpipes are designed for performance applications. Please check local regulations before installation for street use.