Armytrix Cat Back Exhaust- Audi RS4 12-15 Select:With Wireless Remote Control Kit [+$690] which is considerably lighter than

which is considerably lighter than stock and is the most durable flywheel offering from ACT

(1) STM Mounting Bracket - Wrinkle black (STM-EVO89-OCKBRK-S)

The STM Evo 5/6 Small Battery Kit is required for install

• Compatible with all 4G63 (DSM & Evo)

and black aluminum base

Armytrix Cat Back Exhaust- Audi RS4 12-15 Select:With Wireless Remote Control Kit [+$690] which is considerably lighter thanVehicle Fitment: 2012 2015 Audi RS4 2. 9 V8 Turbo 4. 2 Description: Power Torque Weight +17. 8HP +18. 1Nm 2. 2kg As an Armytrix fan, customer, or potential customer, you have likely heard of Valvetronic. It's one of the prominent selling features of Armytrix exhaust systems and has shifted the entire exhaust industry towards adopting similar technology in all exhaust systems. The whole point of the Valvetronic system is to give you an option for how