Remus Catback Exhaust – BMW M140i F20 / F21
The REMUS turbo-back sport exhaust system for the BMW F20 and F21 replaces the stock catalytic converter of the engine by a REMUS sport catalytic converter and grants “free breathing” of the engine. Reduced back pressure and optimized flow dynamics grant a significant increase in power and torque in combination with the well-known sonorous REMUS sound. Due to lightweight construction and sophisticated materials, a reduction in weight can be seen in comparison to the stock exhaust system.
When installing REMUS downpipes with or without the racing catalytic convertor, which are only suitable for closed road driving, it is important to note that ECU tuning is required to ensure that the engine runs and performs efficiently and to ensure that the CEL does not come on. The activation of the exhaust valve is carried out using the original actuator via the vehicle onboard electronics.
No vehicle modifications required! No rear skirt modifications required!
Original tube Ø 80 mm
REMUS tubes Ø 84 mm
- Aggressive racing sound
- Shot blasted surface, 100% stainless steel
- Performance increase, low back pressure
- Light weight construction
- Perfect shape and fitment
- Handmade in Austria
Tail Pipe Options
Tail Pipe set consisting of 2 tail pipe tips 102mm diameter. These tips have a polished finish, angled cut and a straight-cut edge. Attached using an adjustable spherical clamp connection.
Tail Pipe set consisting of 2 tail pipe tips 102mm diameter. These tips have a carbon finish, angled cut and Titanium internals. Attached using an adjustable spherical clamp connection.