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? 400 cpsi 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 Performance Software and other supporting bolt-ons this Performance Downpipe helps yield up to 470HP / 431LB-FT with more to come.

Warranty Registration is REQUIRED for all products integrating GESi Catalyst(s)

Features:
GESi 5? G-Sport UHOX 400 cpsi 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

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