Integrated Engineering ProCore Downpipe Kit - Audi S4/S5 B9/B9.5 3.0T Audi securing directly to hose ends

securing directly to hose ends without the need for extra adapter fittings

Retainers are CNC-machined from 6061 aluminium and anodised to resist oxidation

economy flex sections are bound to fail and cause performance issues

Compatible Lift Pumps:

The Radium Engineering Toyota Injector Seats are the same machined aluminium seats used in Radium fuel rails

Integrated Engineering ProCore Downpipe Kit - Audi S4/S5 B9/B9.5 3.0T Audi securing directly to hose endsThe IE ProCore Downpipe for your Audi B9 S4 or S5 delivers an improved exhaust note and increased flow. Our in house engineered 6" 400CPSI catalytic converter channels substantial flow to support upgraded engine tunes and larger turbochargers. The specialty tri core design and precious metal coatings align with ECU emissions requirements so that you can upgrade without the check engine light. IE's in house engineered ProCore Catalyst features our own