OAO High Performance Downpipe for Mercedes-Benz A250 / CLA250 / GLA250 2.0T M270 Turbocharged Inline-4 T304 Stainless Steel Exhaust (2013-2018)

Unlock the Performance Potential of the M270 Turbo Engine

Designed specifically for Mercedes-Benz A250, CLA250, and GLA250 models equipped with the M270 2.0L turbocharged inline-four engine, the OAO High Performance Downpipe is engineered to maximize exhaust flow, improve turbocharger efficiency, and deliver a more responsive driving experience.

By replacing the restrictive factory downpipe, exhaust gases are evacuated more efficiently from the turbocharger, helping reduce backpressure and improve overall engine performance characteristics.

Manufactured from premium T304 stainless steel and precision TIG welded throughout, the OAO downpipe offers exceptional durability, heat resistance, and OEM-quality fitment.

Key Features

✓ Designed for Mercedes-Benz A250 / CLA250 / GLA250

✓ M270 2.0L Turbocharged Inline-4 Platform

✓ Premium T304 Stainless Steel Construction

✓ High-Flow Performance Downpipe Design

✓ Precision TIG Welded

✓ Mandrel-Bent Tubing Construction

✓ Improved Exhaust Flow Efficiency

✓ Reduced Exhaust Backpressure

✓ Enhanced Turbocharger Response

✓ Sharper Throttle Feel

✓ More Aggressive Exhaust Character

✓ OEM-Level Fitment

Why Upgrade Your Downpipe?

The factory downpipe is engineered primarily for emissions compliance and noise reduction, which can limit the performance potential of the turbocharged engine.

The OAO High Performance Downpipe is developed for enthusiasts seeking improved responsiveness and a more exciting driving experience.

Potential benefits may include:

• Faster Turbo Spool

• Improved Exhaust Flow

• Reduced Exhaust Restriction

• Sharper Throttle Response

• Enhanced Engine Breathing

• Increased Driving Enjoyment

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

Motorsport-Inspired Engineering

The OAO downpipe is engineered to optimize exhaust gas evacuation directly after the turbocharger.

Benefits include:

• Reduced Exhaust Turbulence

• Improved Flow Dynamics

• Enhanced Turbo Efficiency

• Better High-RPM Performance Characteristics

• Improved Compatibility with Cat-Back Exhaust Systems

Designed to maximize the potential of the M270 turbocharged platform.

Sound Characteristics

The OAO M270 downpipe enhances the factory exhaust system with a more aggressive and performance-oriented sound profile.

Drivers may experience:

• Deeper Exhaust Tone

• Enhanced Turbo Spool Sound

• Stronger Acceleration Acoustics

• More Pronounced Exhaust Presence

• Sportier Driving Character

• Increased Driver Engagement

Sound levels may vary depending on the exhaust system configuration.

Premium T304 Stainless Steel Construction

Manufactured from high-grade T304 stainless steel for superior durability and long-term reliability.

Advantages include:

• Excellent Corrosion Resistance

• Superior Heat Resistance

• Long Service Life

• Lightweight Construction

• High Structural Strength

Every OAO downpipe is precision TIG welded and quality inspected before shipment.

Vehicle Fitment

Compatible with:

• Mercedes-Benz A250 (W176)

• Mercedes-Benz CLA250 (C117)

• Mercedes-Benz GLA250 (X156)

Engine Platform

• M270 2.0L Turbocharged Inline-4

Model Years

• 2013

• 2014

• 2015

• 2016

• 2017

• 2018

Please verify your vehicle model and engine configuration before ordering.

Package Includes

• OAO High Performance Downpipe

• Installation Hardware Kit

• Protective Packaging

Installation

Direct bolt-on design utilizing factory mounting locations.

Professional installation is strongly recommended for optimal fitment and performance.

ECU tuning may be recommended to maximize performance benefits and avoid potential warning lights.

Important Notes

Please check local emissions regulations before installation.

This product is intended for off-road or motorsport use where permitted by local laws.

Why Choose OAO Performance

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

From downpipes and headers to valved cat-back systems and titanium exhaust solutions, every OAO product is engineered to deliver exceptional craftsmanship, precise fitment, superior durability, and an engaging driving experience.

Upgrade your Mercedes-Benz A250, CLA250, or GLA250 with improved exhaust flow, sharper response, and the unmistakable performance character of OAO Performance.