Milltek Valved Exhaust System specifically designed for the Audi RS4. Larger-bore 76mm Downpipes with 100-cell hi-flow sports catalysts for highly tuned cars, With 200 Cell HJS HQ High Flow Cats. Downpipes feature ultra-durable semi-gloss black Cerakote coating. Must be fitted with the Milltek Sport cat-back system and requires a stage 2 ECU remap.
With in-house production and engineering in the United Kingdom, Milltek have been designing and developing exhaust systems for over 32 years. This experience has helped put Milltek on the map when it comes to performance exhausts, with offerings that range from Audi/Volkswagen to Porsche, BMW, and even Bentley. But, they don't stop there. Milltek has also made its presence felt in the motorsport community. Through partnerships with various race teams throughout the world, Milltek has gathered feedback on ways to improve their systems from enthusiasts at every level.