Milltek - Large Bore Downpipes with Catalysts Audi S7 4.0 TFSI C7 Quattro Sportback Fitment:For OE Cat-Back If you own a BMW

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Milltek - Large Bore Downpipes with Catalysts Audi S7 4.0 TFSI C7 Quattro Sportback Fitment:For OE Cat-Back If you own a BMWStand out with this incredible Milltek Large Bore Downpipes with Catalysts for your Audi S7 4. 0 TFSI C7 Quattro Sportback. (Years: 2012 2018) Requires Lambda extensions leads Must be fitted with the Milltek Sport cat back system Requires a stage 2 ECU remap Milltek Sport Large Bore Downpipes are perfect when looking to improve both performance and sound. These downpipes are fabricated with a larger diameter than standard OEM parts, meaning that there