Mercedes-Benz GT43 (2019-2024) X290 Valvetronic Exhaust System

Fi EXHAUST Valvetronic System

For Mercedes-AMG GT43 / GT53 (X290) 4-Door Coupe

Premium Bolt-On Performance Exhaust – T304 Stainless Steel

🔊 Engineered for an Elevated AMG Sound

The Fi EXHAUST system for the Mercedes-AMG GT43 / GT53 (X290) delivers a thrilling blend of race-ready acoustics, refined driveability, and high-flow performance. Made from high-grade T304 stainless steel, this system is a direct bolt-on replacement, crafted to maximize performance and driving pleasure.

💡 Valvetronic Exhaust Control

Take command of your AMG's exhaust personality with advanced valvetronic technology:

• Valves Closed: Soft, subtle, and perfect for daily city cruising

• Valves Open: A sharp, aggressive tone with enhanced volume and throttle response

Control Options:

• Factory exhaust/sport button

• Drive mode switch

• Optional Fi Pro Remote & Mobile App for full control at your fingertips

📈 Performance Benefits

• +5–10% horsepower increase with a full catless setup

• Enhanced exhaust flow and torque

• Lighter than stock system

• Improved throttle response and engine acoustics

⚙️ Product Configuration (Sold Separately)

✅ Catback Exhaust – Valvetronic System

Includes:

• Front Pipe + Mid X-Pipe + Valvetronic Muffler

• OBD2/Mobile App Remote Control Module Included

• Part #: MB-290A43-CBE + R2020OBD + ACT-BN*2 + OBD-CAB-BNE

• Compatible with OEM electronic valves

🔥 Optional Downpipes – Non-OPF Only

1. Ultra High Flow Catless Downpipe
    • Part #: MB-257A6F-NCAT + OPFCAP-0021 + OPFCAP-0032

2. Sport 200 Cell Catted Downpipe
    • Part #: MB-257A6-CAT200

🧩 Vehicle Compatibility

• Make: Mercedes-AMG

• Models: GT43 / GT53

• Chassis: X290

• Engine: 3.0L Inline-6 Turbo w/ EQ Boost

• Years: 2019–Present

• OPF Compatibility: System shown is for Non-OPF variants

📝 Additional Notes

• All Fi EXHAUST components are modular and sold individually

• Fitment and visual design may vary by year and market region

• Images are for illustration purposes only

• Downpipes not intended for road use in regions with strict emissions laws

🚀 Why Choose Fi EXHAUST?

From refined purrs to full-throttle aggression, Fi EXHAUST gives your AMG GT43 or GT53 the acoustic character it deserves — while improving performance and maintaining everyday usability. Whether you're daily driving or hitting the track, Fi delivers precision-engineered power and presence