MillTek 2018 Audi RS4 Large Bore Downpipes
$4,287.41
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...
MillTek 2019-2021 Audi RS4 Active Valve Control
$764.54
Active Valve Control (AVC) is available to support both vehicles equipped with factory valves on the exhaust as well as a growing range of upgrades...
VF Engineering 2018-2022 Audi RS4 HEX ECU Tuning Software
VF Engineering 2018-2022 Audi RS4 B9 HEX ECU Tuning Software Audi B9 RS5 Audi B9 RS4 2.9 L TFSI V6 Twin Turbo EA839 2018 – Present...
Eventuri 2017-2022 Audi RS4 Carbon Fiber Cold Air Intake System
$1,750.00
Eventuri 2017-2022 Audi RS4 B9 Carbon Fiber Cold Air Intake System Performance Gain: 11-16hp, 12-17ft-lb At The Wheels The Audi B9 RS4/RS5 Eventuri intake was...