MILLTEK SSXAU673 Hi-Flow Sports Cat and Downpipe AUDI S4 3.0 Turbo V6 B9 - Saloon/Sedan&Avant (Non Sport Diff Cars) ymm_70 Includes 0

Includes 0

REAR SILENCER - MSAU674

The cooler uses extruded end tanks which means it is a much stronger design than simple bent aluminum sheet construction found on the oem unit

When replacing the rod bearings it is critical to use new hardware when reinstalling the bearing caps

Mounting brackets to help you install your ProLine STD coolers

MILLTEK SSXAU673 Hi-Flow Sports Cat and Downpipe AUDI S4 3.0 Turbo V6 B9 - Saloon/Sedan&Avant (Non Sport Diff Cars) ymm_70 Includes 0Description MILLTEK SSXAU673 Hi Flow Sports Cat and Downpipe AUDI S4 3. 0 Turbo V6 B9 Saloon Sedan&Avant (Non Sport Diff Cars) Milltek Sport Large Bore Downpipes are designed to improve both performance and sound. These downpipes feature a larger diameter compared to standard OEM parts, allowing more exhaust gas to exit the engine and pass through, which increases efficiency. When used with the Catalyst Bypass Pipe, significant power gains can be