Milltek Audi S3 2.0TFSI Quattro Sportback 310PS 8Y (OPF/GPF Models Only) 2020-2023 Large Bore Downpipe and Hi-Flow Sports Cat Exhaust - Milltek Fitment (HJS Cat) Part_Rear Box so you can keep sound

so you can keep sound levels to a minimum or unleash the engine's full potential

allowing the driver to cruise around and eat up the miles in comfort

(Factory Catalytic Converter retained but deleting the GPF - ECU remap required ‚ Off-road and motorsport use only)

The turbo back system has been designed with a 4

Static Sound Example - Valved GPF Back with Rear Box

Milltek Audi S3 2.0TFSI Quattro Sportback 310PS 8Y (OPF/GPF Models Only) 2020-2023 Large Bore Downpipe and Hi-Flow Sports Cat Exhaust - Milltek Fitment (HJS Cat) Part_Rear Box so you can keep soundAll Milltek performance exhaust systems are manufactured from T304L stainless steel; giving you the satisfaction of knowing that our products are meant to last within some of the toughest environments. T304L is a highly durable form of stainless steel that is far less susceptible to degradation and discolouration than many others of its kind, while it will last almost indefinitely. Additional Info: 94mm 3. 7inch ID Turbo Outlet to 80mm 3. 15inch