OAO High Performance Downpipes for Mercedes-Benz GLE63 AMG 4.0T Bi-Turbo V8 T304 Stainless Steel 2020+

Unleash the Full Potential of Your AMG V8

Designed specifically for the Mercedes-Benz GLE63 AMG and GLE63 S AMG (V167), the OAO High Performance Downpipes are engineered to maximize exhaust flow and enhance the performance characteristics of the M177 4.0L Bi-Turbo V8 engine.

By replacing the restrictive factory downpipes, exhaust gases can exit the turbochargers more efficiently, helping reduce backpressure and improve overall exhaust flow dynamics.

Constructed from premium T304 stainless steel and precision TIG welded for durability and reliability, these downpipes are built to handle the demanding conditions of high-performance driving.

Key Features

✓ Designed for Mercedes-Benz GLE63 AMG (V167)

✓ Compatible with GLE63 AMG & GLE63 S AMG

✓ M177 4.0L Bi-Turbo V8 Platform

✓ Premium T304 Stainless Steel Construction

✓ Precision TIG Welded

✓ High-Flow Performance Design

✓ Direct Bolt-On Installation

✓ Reduced Exhaust Restriction

✓ Improved Turbocharger Efficiency

✓ Enhanced Exhaust Flow Characteristics

✓ More Aggressive AMG Exhaust Sound

✓ OEM-Level Fitment

Why Upgrade Your Downpipes?

The factory downpipes are designed primarily for emissions compliance, noise reduction, and long-term durability.

OAO Performance Downpipes are engineered for enthusiasts seeking improved exhaust flow and a more engaging AMG driving experience.

Potential benefits may include:

• Faster Turbo Response

• Improved Exhaust Flow Efficiency

• Reduced Exhaust Backpressure

• Sharper Throttle Feel

• Enhanced Engine Character

• More Aggressive Exhaust Acoustics

Actual performance gains may vary depending on ECU calibration and supporting modifications.

High-Flow Performance Design

The OAO downpipe system optimizes exhaust gas flow immediately after the turbochargers.

Advantages include:

• Improved Exhaust Gas Evacuation

• Reduced Flow Restriction

• Smoother Turbocharger Operation

• Enhanced High-RPM Efficiency

• Better Compatibility with Performance Exhaust Systems

Engineered for drivers seeking maximum performance from the AMG M177 platform.

Sound Characteristics

Installing performance downpipes may provide:

• Deeper Exhaust Tone

• Enhanced V8 Character

• Increased Turbo Presence

• More Aggressive Acceleration Sound

• Stronger Exhaust Feedback Under Load

Sound characteristics may vary depending on the complete exhaust configuration.

Premium T304 Stainless Steel Construction

Manufactured from high-grade T304 stainless steel for long-lasting durability and performance.

Benefits include:

• Excellent Corrosion Resistance

• High Temperature Durability

• Superior Structural Strength

• Long Service Life

• Motorsport-Inspired Construction

Each downpipe is precision TIG welded and inspected before shipment.

Vehicle Fitment

Compatible with:

• Mercedes-Benz GLE63 AMG (V167)

• Mercedes-Benz GLE63 S AMG (V167)

• Mercedes-Benz GLE63 Coupe AMG (C167)

• Mercedes-Benz GLE63 S Coupe AMG (C167)

Engine Platform

• M177 4.0L Bi-Turbo V8

Model Years

• 2020+

• 2021+

• 2022+

• 2023+

• 2024+

• 2025+

Please verify your vehicle specifications before ordering.

Package Includes

• 1 Set OAO High Performance Downpipes

• Installation Hardware

• Protective Packaging

Installation

Direct bolt-on design utilizing factory mounting locations.

Professional installation is strongly recommended.

ECU tuning may be recommended depending on vehicle configuration and performance goals.

Important Notes

Please check local emissions and road-use regulations before installation.

Depending on vehicle software and exhaust configuration, additional calibration may be required.

Why Choose OAO Performance

OAO specializes in premium performance exhaust systems for AMG, BMW M, Audi RS, Porsche, and other high-performance platforms.

From downpipes and headers to titanium exhaust systems and valved cat-back exhausts, every OAO product is engineered to deliver exceptional fitment, craftsmanship, durability, and performance.

Transform your GLE63 AMG with the sound, flow, and performance it deserves.