AWE: 2015-2020 Audi 8V S3 - Track Edition Exhaust (102mm Diamond Black Tips) dohc an ARH header system is

an ARH header system is exactly what you need to increase torque up to 30 ft

taking a chance on upsetting the crush collar

The larger diameter

metallic black mufflers deliver the smoothest sounding performance

AWE: 2015-2020 Audi 8V S3 - Track Edition Exhaust (102mm Diamond Black Tips) dohc an ARH header system isThe lower priced sibling, the Track Edition Exhaust is crafted of the same quality T304 stainless, made in house, and delivers the same power gains as the SwitchPath Exhaust. The difference comes in the removal of AWE Tuning's valving system. In other words, this system is the "open valves" side of the spectrum, all the time, and will be most pronounced in the mid range. Features: Engineered, designed, and manufactured in house at AWE Tuning 3" CNC