Akrapovič BMW M340i/M440i (G20/G21/G22/G23/G26) OPF/GPF Evolution Link Pipe
This Akrapovič Link Pipe Set, constructed from high-grade austenitic stainless steel, weighs just 8.09 kg, making it 22% lighter than the stock system. Engineered for the BMW M340i and M440i equipped with OPF, it provides a performance upgrade while enhancing the car’s acoustic profile.
Key Features:
- Unique Tuned Resonator:
Developed specifically for the BMW’s straight six-cylinder engine, the resonator delivers a deep, rich, and sporty sound without unwanted drone or streaming, improving the overall driving experience. - Performance Gains:
When tested with the Slip-On Line and Link Pipe Set on the Akrapovič dyno, this setup delivers 8.7 kW (11.8 hp) of additional power at 5,600 rpm, and a torque increase of 17.1 Nm at 4,100 rpm, compared to a standard stock exhaust. - Lighter Weight:
Weighing just 8.09 kg, this system is 22% lighter than the stock exhaust, contributing to better handling and performance.
Important Information:
- Track Use Only:
This product is designed for track and closed-course use only and does not meet emission compliance requirements for street or highway use. - Mandatory Remapping:
Remapping the ECU is mandatory after installation to prevent any “check engine light” warning signals and to ensure the system operates optimally.
Fitment Notice:
- Compatibility:
This link pipe set is compatible with the BMW M340i and M440i models equipped with an OPF (Otto Particulate Filter).
This exhaust upgrade is perfect for BMW M340i/M440i owners seeking a lighter, more powerful, and sportier-sounding exhaust system for track use.
Exhaust Data
| Unit | Stock | Akrapovič | Max gain | |
|---|---|---|---|---|
| Max. power | kW | 280.4 / 5500 rpm | 286.9 / 5600 rpm | + 8.7 / 5600 rpm |
| HP (m) | 381.2 / 5500 rpm | 390.1 / 5600 rpm | + 11.8 / 5600 rpm | |
| HP (i) | 376 / 5500 rpm | 384.7 / 5600 rpm | + 11.7 / 5600 rpm | |
| Max. torque | Nm | 538.9 / 2750 rpm | 544.9 / 4000 rpm | + 17.1 / 4100 rpm |
| lb-ft | 397.5 / 2750 rpm | 401.9 / 4000 rpm | + 12.6 / 4100 rpm | |
| Weight | kg | 10.37 | 8.09 | – 2.3 |
| lb | 22.9 | 17.8 | – 5.1 | |
| % | – 22 | |||
| Inst. time | min | 90 |

