Audi TT MK1 - Large Bore Downpipe with Hi-Flow Sports Catalyst (For 225 3" System Only) Audi A3 commonly found in other performance

commonly found in other performance VAG's

synthetic nanofiber filtration media which is pleated to maximise surface area and in turn increase air flow

to a standard far higher than OEM

Guaranteed surface area using high quality custom blended polymer

Audi TT MK1 - Large Bore Downpipe with Hi-Flow Sports Catalyst (For 225 3" System Only) Audi A3 commonly found in other performance(Possible clearance issues on roadster due to additional bracing ) 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 is significantly more space for more gas to exit the engine and pass through, increasing efficiency. Combined with our Hi Flow Sports Cat, you can expect a significant increase in performance