iE ProCore Downpipe For Audi B9 A4

{ "__shgImageElements": { "uuid": "s-c56f1a1e-4baf-4f6c-aa67-616f248698fd" } } LEADING 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 4.75" 200 CPI catalytic converter channels substantial flow to support beyond Stage 2 tuning and upgraded turbos. The specialty ProCore CAT design includes rare and precious metal coatings that clean and limit emissions output to align with factory ECU requirements. so that you can upgrade without the check engine light. { "__shgImageV2Elements":