Remus BMW F20 & F21 M140i Cat Back Exhaust System

Upgrade your BMW F20 or F21 M140i with the Remus Cat-Back Exhaust System, designed to enhance both performance and sound. Featuring precision-engineered stainless steel construction, this system delivers improved exhaust flow, reduced backpressure, and a deep, aggressive tone.

Performance & Sound

• Optimised gas flow with 84mm diameter piping for increased power and efficiency
• Enhanced sporty exhaust note with deep, refined tones
• Resonated and non-resonated options available for tailored sound levels

Premium Build Quality

• High-grade stainless steel for durability and corrosion resistance
• Lightweight construction compared to the stock exhaust
• Precision fitment for a seamless installation

Key Features

• Mandrel-bent piping for unrestricted airflow
• Available with multiple tailpipe finishes to match your style
• Direct bolt-on fitment, engineered for the BMW M140i
• Compatible with factory and aftermarket downpipes

Compatible Vehicles

• BMW F20 M140i (5-door hatchback)
• BMW F21 M140i (3-door hatchback)

Transform your BMW M140i with the Remus Cat-Back Exhaust System, offering an unrivalled balance of performance, sound, and premium craftsmanship.

Unless explicitly stated otherwise, all products sold by R44 Performance Limited are designated RACE ONLY and are solely for competition or off-road use limited to racing formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, may violate local, state, and Federal laws. R44 Performance Limited does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer.

It is the responsibility of the customer to check with all federal, state local and environmental laws before ordering and installing a product. R44 Performance Limited is not responsible for any fees, fines or costs that a customer may incur as a result of failing to check with federal, state, local or environmental laws before ordering and installing a product.

We get a large number of custom orders and requests everyday, so as a result it is not always possible for us to keep every item in stock at all times in our warehouse. If you require the item urgently please contact our sales team here to check the stock before you make your purchase.

We totally understand if you're not certain a part will be compatible with your car, so we highly recommend contacting us here with your query. Our friendly sales team will then be in touch to confirm if this part is the correct part you are looking for.

All in stock products ship the same day if ordered before 2pm GMT

For out of stock items we will contact you with an estimated wait time if not otherwise specified above.

We offer worldwide shipping on all products. If upon receiving your product you wish to return; we offer a 30-day returns policy. For our in-depth returns information please follow the link. "R44 Returns Policy

All of our products come with a standard warranty of 1-3 years. This is dependant on the type of product however. For more details please see our warranty page here.