The REMUS cat-back sport exhaust centered for L/R system (without tail pipes), with integrated valves for the BMW 4 Series is designed to work in perfect cooperation with the stock catalytic converter of the engine. Reduced back pressure and optimized flow dynamics grant a significant increase in power and torque. Due to lightweight construction and sophisticated materials, a reduction in weight can be seen in comparison to the stock exhaust system.
Cat Back Resonated Section:
Stainless steel resonated cat-back section.
Sport exhaust and tail pipe set only fit as a complete system!
Suitable for standard and M-sport bumper option!
No vehicle modifications required!
The activation of the valve is carried out using the original actuator via the vehicle onboard electronics.
Please click on the optional product requested:
Remus Responder: R903712
- Aggressive racing sound
- Shot blasted surface, 100% stainless steel
- Performance increase, low back pressure
- Light weight construction
- Perfect shape and fitment
- Handmade in Austria
- EC homologation
- 440i 3.0l 240/265 kW
- 440i xDrive 3.0l 240/265 kW
Images are for representation purpose only. Actual product may vary.