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Akrapovič Slip-On titanium exhaust, BMW M440i G22/G23 OPF
Price range: 6 815,00 € through 7 366,00 €
The Slip-On Line for the BMW M440i is made from lightweight, high-grade titanium and finished with hand-crafted carbon fibre tailpipes. The Sound Kit is an optional accessory.
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To view available shipping methods and prices including your local tax rate, add your address in the shopping cart.Akrapovič Slip-On Line titanium exhaust – BMW M440i G22/G23 OPF
Akrapovič develops materials, structure and sound as one complete system. Months of development refine both performance and the sound character until everything is in tune. Manufacturing takes place in Akrapovič’s own facilities, with intricate cast components made in its own foundry. At Futurez, we have proudly served as an Akrapovič importer for over a decade.
The Slip-On Line for the BMW M440i is made from lightweight, high-grade titanium and finished with hand-crafted carbon fibre tailpipes. Complex components are cast in Akrapovič’s own foundry, while acoustic reflectors in the tailpipes direct sound towards the cabin.
The system has two valves rather than the stock system’s single valve. A TNG controller for the additional valve is included. Resonators on either side of the central muffler refine the sound: smooth and rich during cruising, deeper and sportier under more enthusiastic driving. An optional Sound Kit adds separate sound control from the cabin.
Manufacturer measurements
The manufacturer’s technical table identifies a 2021 BMW M440i G22/G23 OPF/GPF as the test vehicle. Changes were measured on the Akrapovič dynamometer against the stock exhaust.
| Measurement | Change versus stock |
|---|---|
| Power | Up to +3.4 kW / +4.6 hp (metric) at 2 650 rpm |
| Torque | Up to +12.4 Nm at 2 650 rpm |
| Weight | −4.4 kg / −24.6 % |
| Measured weight | Akrapovič 13.4 kg, stock 17.8 kg |
Power and torque figures are the manufacturer’s maximum gains at the stated engine speeds, rather than differences between peak engine outputs. The vehicle version and configuration affect the results achieved.
Fitment and points to consider
For BMW M440i G22 Coupé and G23 Convertible models with an OPF/GPF particulate filter, including the xDrive Convertible. Akrapovič states ECE approval and no ECU remapping requirement for this configuration. Non-OPF cars require the separate Evolution configuration. Installation also requires an additional genuine BMW valve actuator, part 18 30 8 686 640. The actuator is purchased separately and is not included in the package price. The included TNG controller does not replace it.
Optional Sound Kit
The optional Akrapovič Sound Kit lets you switch between a quieter mode and a sportier sound from the cabin. A wireless Sound Remote Controller operates the valve actuators through a receiver.
Using the Sound Kit invalidates the exhaust system’s ECE type approval. Manufacturer images are representative. Select it only as an option for a compatible Akrapovič exhaust.
The Sound Kit is optional. Select the package without it or add it using the product options.
Other accessories
The following accessories are sold separately. Check each accessory’s details for fitment and any restrictions.
- Carbon fibre rear wing and fitting kit, high gloss – WI-BM/CA/1/G
Installation and setup
We recommend having your Akrapovič exhaust installed by an authorised Akrapovič dealer. Appropriate test equipment and software help verify correct exhaust operation, valve control and settings after installation.
We offer professional installation of Akrapovič products at our ECU Helsinki Customs workshop in Vantaa, Finland.
View this product on Akrapovič’s website
Visit the manufacturer’s page for further product details and available documents. Exhaust-system pages also provide sound samples.
| Weight | 25 kg |
|---|---|
| Brand |
