The Unitronic Performance Downpipe for the MK8 Golf R and 8Y S3 equipped with the 2.0TSI EA888 EVO4 engine is a direct bolt-on upgrade, designed to optimally eliminate unwanted restrictions in the factory downpipe, reduce turbo lag and enhance the exhaust note. It utilizes a 5 400cpsi ultra high output (UHOX) catalytic converter, designed in partnership with Unitronic, from our emissions partners at Global Emissions Systems Inc (GESi).

Paired with Unitronic Stage 2 E85 Performance Software and other supporting bolt-ons, this Performance Downpipe helps yield up to470HP / 431LB-FTwith more to come.

Features / Benefits:

• GESi 5 G-Sport UHOX 400cpsi Catalytic Converter
• Meets or exceeds local testing standards
• CFD Optimized Upper Downpipe Castings
• TIG-welded construction
• Factory catalyst placement for maximum efficiency
• Oxygen Sensor provision maintained
• OEM-style corrugated mesh flex bellow
• Direct bolt-on fitment
• Enhanced exhaust note
• Reducers available for factory or upgraded cat-back systems

Hardware Included:

• Unitronic Performance Downpipe Featuring GESi 5 G-Sport Ultra High Output UHOX 400cpsi Catalytic Converter
• 2x V-band clamps and centering rings
• 1x Stainless steel midpipe section
• 1x Stainless steel exhaust reducer

Required Software:

• Stage 2