Akrapovic Exhaust System for BMW M440i (G26) OPF/GPF
Akrapovic Exhaust System for BMW M440i (G26) OPF/GPF is backordered and will ship as soon as it is back in stock.
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SO - Slip-On
Offering a noticeable weight savings, increased power and torque, and a dramatic soundtrack, this system is constructed from lightweight high-grade titanium and completed with hand-crafted carbon-fibre tailpipes.
The system offers an 11.89 kg savings over the standard stock system, an incredible difference of 33%. Power and torque are increased by 3.4 Kw (4.6 hp) at 2,650 rpm and 12.4 Nm at 2,650 rpm when tested on the Akrapovic dyno against a BMW M440i with a standard stock exhaust. An exhilarating soundtrack is delivered through the use of special parts fitted in the system. Two valves – instead of one, as in the stock configuration – are calibrated to tailor the sound, and two acoustic reflectors are fitted on the tailpipes to guide the sound into the car’s cabin and change the driving experience, producing a fully immersive sound in the car’s cockpit, to supply thrills and enjoyment that can be enjoyed by all occupants.
Because the Akrapovic Slip-On Line (Titanium) exhaust system has two valves, one more than the stock configuration, a TNG controller is included in the product to activate the additional exhaust valve. Two resonators, one on each side of the central muffler, perfect the sound experience. The smooth, rich sound at normal cruising rises to a deep and sporty soundtrack when driving more enthusiastically, and the tones can also be controlled from within the cockpit with addition of the optional Akrapovic Sound Kit. Special parts are cast in the Akrapovic in-house foundry to create the intricate and complex items needed for this system.
It meets ECE type approval, and no remapping is needed for this configuration (the system only fits vehicles equipped with the OPF filter, and the ECE certificate is valid only for these cars; for non-OPF vehicles, an Evolution Line system is available).
An optional link pipe set is available for those customers looking for an upgrade to the Slip-On Line (Titanium) exhaust system.
Fitment notice: This product fits on the BMW M340i equipped with an OPF.An extra stock valve actuator (part nr. 18 30 8 686 640) is needed when installing the Slip-On exhaust system on BMW M340i (G20, G21) and M440i (G22, G23, G26).
This product also fits on the BMW M340i xDrive Touring (G21) model.
PERFORMANCE:
| Unit | Stock | Akrapovic | Max gain | |
|---|---|---|---|---|
| Maximum 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) | 376.0 / 5500 rpm | 384.7 / 5600 rpm | + 11.7 / 5600 rpm | |
| Maximum 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 | 28.2 | 21.7 | - 6.5 |
| lb | 62.1 | 47.8 | - 14.3 | |
| % | - 23.0 | |||
| Installation time | min | 300 | ||
| ECU Remapping | Yes: For perfect performance, throttle response and durability, special developed mapping has to be used. | Yes: For perfect performance, throttle response and durability, special developed mapping has to be used. | Yes: For perfect performance, throttle response and durability, special developed mapping has to be used. | Yes: For perfect performance, throttle response and durability, special developed mapping has to be used. |
This product is constructed from high-grade austenitic stainless steel and weighs just 8.09 kg, 22% lighter than stock.
A unique tuned resonator has been developed for the link pipe to work with the new engine to supply a unique sound experience, producing a deep, rich, and sporty sound with no unwanted drone or streaming, perfectly aligned with a pure straight six-cylinder engine.
Power is increased by 8.7 kW (11.8 hp) at 5,600 rpm and torque rises by 17.1 Nm at 4,100 rpm when tested on the Akrapovic dyno with a Slip-On Line with Link Pipe Set against a standard stock exhaust on the BMW M440i.
Meant for track use only and for OPF vehicles, remapping is mandatory with this product.
Fitment notice: This product fits the BMW M340i and M440i equipped with an OPF.
THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.
PERFORMANCE:
| Unit | Stock | Akrapovic | Max gain | |
|---|---|---|---|---|
| Maximum 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) | 376.0 / 5500 rpm | 384.7 / 5600 rpm | + 11.7 / 5600 rpm | |
| Maximum 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 | 10.4 | 8.1 | - 2.3 |
| lb | 22.9 | 17.8 | - 5.1 | |
| % | - 22.0 | |||
| Installation time | min | 90 |
Downpipe w Cat (SS) was tested and developed together with Evolution Line (Titanium) system.
The high-flow downpipe is constructed using high-quality stainless steel and, once fitted to the Evolution Line exhaust, it creates a complete system from the manifold to the tailpipes that will further enhance the performance figures: both the torque and power outputs. It incorporates a sporty catalytic converter.
This optional downpipe produces an enhanced sound that delivers a pure racing emotion and fantastic feedback at high revs, without unwanted drone, making it suitable for everyday use.When installing the Akrapovic downpipe, remapping the ECU is mandatory in order to prevent potential “check engine light” warning signals.
Downpipe is optional product to the following evolution systems:
Toyota Supra (A90) without OPF:
Slip-On Line (Titanium) + Evolution Link pipe (SS) - S-TY/T/1H + E-TY/SS/1
BMW Z4 M40i (G29) without OPF:
Slip-On Line (Titanium) + Evolution Link pipe (SS) - S-BM/T/9H + E-TY/SS/1
THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.
PERFORMANCE:
| Unit | Stock | Akrapovic | Max gain | |
|---|---|---|---|---|
| Weight | kg | 8.2 | 6.7 | - 1.5 |
| lb | 18.0 | 14.8 | - 3.2 | |
| % | - 18.0 | |||
| Installation time | min | 180.0 |
PERFORMANCE:
| Unit | Stock | Akrapovic | Max gain | |
|---|---|---|---|---|
| Installation time | min | 120 |
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