HIGHLIGHTS

PROFILE

The ARM MK8 Golf R 4″ Downpipe features a true 4.0 inch design from the turbocharger outlet all the way to the catback connection, maximizing exhaust flow and minimizing backpressure for all MK8 Golf R builds. This straight-through, large-diameter design allows exhaust gases to exit the turbocharger efficiently, supporting faster turbo spool, improved throttle response, and increased power potential when paired with tuning.

The factory MK8 Golf R downpipe is one of the most restrictive components in the exhaust system, designed for the everyday driver it muffles sounds and restricts performance. For enthusiasts pushing higher boost levels or running aftermarket tuning, the OEM MK8 Golf R downpipe quickly becomes a bottleneck that limits airflow, slows turbo response, and increases exhaust backpressure.  The ARM MK8 Golf R is engineered to remove these restrictions and support high-boost, high-horsepower builds while maintaining proper fitment, durability, and compatibility across a wide range of exhaust setups.

CONSTRUCTION

The ARM MK8 Golf R Downpipe is made of SS304 stainless steel. It features a precision-machined 4″ V-band flange at the turbo connection, designed to fit the OEM MK8 Golf R turbocharger as well as hybrid turbos that retain the OEM MK8 downpipe mounting location. This ensures a secure, leak-free seal while providing future upgrade headroom for higher-flow turbo setups.

The ARM MK8 Golf R Downpipe includes two catback adapters to maximize compatibility with the catback section of your choice. You can choose to retain the OEM MK8 Golf R catback exhaust using the included OEM-sized adapter, or opt for the 3″ adapter to mate seamlessly with the ARM MK8 Golf R Catback Exhaust or any aftermarket exhaust system that utilizes a 3″ connection. This flexibility makes the ARM MK8 Golf R Downpipe ideal for both stock and upgraded exhaust configurations.

For durability and long-term reliability, the ARM MK8 Golf R Downpipe incorporates multiple structural support features. An upper support bracket secures the top section of the downpipe, reducing movement and stress during aggressive driving. A robust flex section is integrated into the design to absorb engine movement, minimizing tension and preventing fatigue or cracking under high load conditions. Additionally, the adjustable lower mounting bracket provides added support and alignment flexibility, helping keep the downpipe properly positioned during aggressive street driving or track use.

IN THE BOX

• 1x Downpipe Front Section

FITMENT GUIDE

Make	Model	Submodel	Engine
Audi	8Y S3	AWD	2.0T
VW	MK8 Golf R	AWD	2.0T