iE ProCore Downpipe For Audi B9 A4 Fuel Pumps and bellmouths work together to

and bellmouths work together to ram more air into the cylinders

and faster heat recovery to safely maximize the performance of the stock turbocharger

Important note: Existing POWERlink V4 owners may need to update dongle firmware to enable Bluetooth mobile flashing

3D scanning and cutting-edge software give our engineers a high-resolution digital model of the VW/Audi MQB chassis

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iE ProCore Downpipe For Audi B9 A4 Fuel Pumps and bellmouths work together toLEADING FEATURES ProCore catalyst No check engine light High flow design Supports Stage 2 & hybrid turbo power Increases sound Full and enriched exhaust note Bolt on direct fit No cutting, no welding, no hassle High quality Stainless steel, TIG welded, & investment casting DESIGN INSTALLATION DESIGN The iE ProCore Downpipe for the Audi B9 A4 or A5 delivers an improved exhaust note with a massive increase in exhaust flow. Our unique in house engineered