Large Bore Downpipes with Catalyst Bypass Pipes For OE Cat-Back (Audi C7 RS6/RS7/S6/S7) Model_Mk6 GT 2.0 TDi 140PS (5K) (09-13) Software recalibration is required

Software recalibration is required

The non resonated cat back system offers the most dynamic upgrade and is the exhaust configuration which perfectly achieves the sound we were looking for with this model

The aesthetics of the systems complement the A3 styling fitting neatly with the rear valance creating a subtle but sporty look

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pre-order yours to be one of the first to transform the styling of your M135i

Large Bore Downpipes with Catalyst Bypass Pipes For OE Cat-Back (Audi C7 RS6/RS7/S6/S7) Model_Mk6 GT 2.0 TDi 140PS (5K) (09-13) Software recalibration is requiredMilltek 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 is significantly more space for more gas to exit the engine and pass through, increasing efficiency. We also remove the primary catalyst from the exhaust system to create more of a freer flowing exhaust, allowing the engine to operate more efficiently and to