aFe Downpipe

Fits 2009–2016 Audi A4 and A5 (B8) with 2.0L Turbo Engine

Part #: 48-36410-YC

Overview

The aFe 3-inch Twisted Steel Downpipe is designed to enhance the exhaust flow of your Audi A4 or A5 equipped with a 2.0L turbocharged engine. Crafted from durable 304 stainless steel, this downpipe offers a significant upgrade over factory components, supporting improved performance and a more aggressive exhaust note. It’s ideal for enthusiasts seeking to optimize their vehicle’s airflow and power output, whether for daily driving or spirited performance. The system’s high-quality construction ensures long-lasting durability and resistance to corrosion, making it a reliable upgrade for your vehicle’s exhaust system.

Key Features

This downpipe features mandrel-bent 3-inch stainless steel tubing designed for maximum strength and unrestricted exhaust flow. It includes a high-flow catalytic converter that reduces restrictions compared to stock units, helping to boost horsepower and torque. Factory-style laser-cut stainless steel flanges provide a secure, leak-free seal, ensuring optimal performance and durability. The inclusion of a third O2 bung and plug allows for flexible tuning options or wide-band O2 sensor installation, supporting customized exhaust setups and monitoring.

Construction & Design

Constructed from 304 stainless steel, this downpipe is engineered for maximum strength, corrosion resistance, and longevity. The mandrel-bent tubing maintains consistent diameter and smooth bends to optimize exhaust flow and reduce turbulence, contributing to improved engine response and efficiency.

Performance & Response

Designed to support increased airflow, this downpipe helps your vehicle achieve better throttle response and a more aggressive exhaust tone. The high-flow catalytic converter minimizes restrictions, allowing your turbocharged engine to breathe more freely and produce additional power.

Installation & Fitment

This downpipe is a direct bolt-on upgrade for 2009–2016 Audi A4 and A5 models with the 2.0L turbo engine. Proper installation may require basic tools and mechanical knowledge; professional installation is recommended for optimal fitment and performance.

What’s Included

The package includes the 3-inch stainless steel downpipe with high-flow catalytic converter, factory-style laser-cut flanges, and all necessary hardware for installation. The included O2 bung and plug provide additional tuning flexibility.

Ideal For

Performance enthusiasts looking to maximize exhaust flow and power output on their Audi B8 platform, or those seeking a durable upgrade to improve vehicle response and sound.