2017+ Audi A4/A5 Downpipe | B9/B9.5 A4/A5

Description

Unlock the hidden performance potential of your 2017+ Audi A4 or A5 B9/B9.5 with this GCA Performance stainless steel downpipe. Engineered to replace the restrictive factory unit, this downpipe delivers measurable improvements in turbo spool, throttle response, and power output for the 2.0L TFSI engine. A high-value, direct bolt-on upgrade designed for track and off-road use where performance comes first.

Key Features

• Stainless steel construction for long-lasting durability and corrosion resistance
• Designed for the 2017+ Audi A4/A5 B9/B9.5 (2.0L TFSI engine)
• Reduces exhaust back-pressure for faster turbo spool and improved throttle response
• Catless design for unrestricted exhaust flow and maximum performance gains
• Precision TIG-welded construction for guaranteed leak-free joints
• Direct bolt-on replacement — no cutting or fabrication required
• GCA Performance engineered — built for Audi enthusiasts by Audi enthusiasts

Vehicle Compatibility

• 2017+ Audi A4 B9 / B9.5 (2.0L TFSI)
• 2017+ Audi A5 B9 / B9.5 (2.0L TFSI)

Installation

This downpipe is a direct bolt-on replacement for the factory unit. Professional installation is strongly recommended. An ECU tune after installation is highly advised to fully exploit the performance gains and maintain correct air/fuel ratios.

⚠️ Off-Road / Racing Use Disclaimer: This downpipe is designed for off-road and racing use only. It is not CARB or EPA certified and is not legal for use on public roads or highways. By purchasing, you confirm that this product will be used exclusively for off-road or closed-circuit racing purposes in compliance with all applicable local laws and regulations.

Why Buy From All Audi Spare Parts?

All Audi Spare Parts is your specialist for Audi performance exhaust upgrades. We stock quality-verified parts with correct fitment for every model we list. Fast worldwide shipping and expert support are always included. Take your A4 or A5 to the next level today.