304 Stainless Steel Full Exhaust System Cat-back Fit for Audi A4L B9 2.0T 2017-2021 Forerunner

We accept customized service, if there is no options you need, please contact us kipalm@aliyun.com. Cat-back Fit for Audi A4 B9 2.0T 2017-2021 Forerunner Specification: Suitable: Audi A4L B9 2.0T 2017-2021 Forerunner Material: 304 stainless steel Color: Silver Engine: 2.0T Valve: Vacuum valve/electric valve/no valve Production time: 15-20 days (Don't place an order if you can't wait for such a long time) Note: Professional installation is required Part and Fitment Details: 1. Only fitment for Audi A4L B9 2.0T 2017-2021 Forerunner Exhaust Catback 2. Valved exhaust, meaning that has remote, controlled valves - allowing a switch between an aggressive loud sports sound and a sound that is closer to the OEM sound 3. The electric valve is more convenient to use and the control speed is fast; the vacuum valve can be used for a longer time, please choose according to your needs Package Include: Center pipe Muffles (with/without valve) Valve control box with remote control (if you need