The Unitronic Performance Downpipe for the MK8 GTI® 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 to
417HP / 426LB-FT with 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
