E-B12E4/1
Optional Header (Titanium) for




Power
+2.6 kW
at 7350 rpm
Torque
+6.7 Nm
at 2650 rpm
Weight
-2.4 kg
Optional available headers from the finest titanium offer an upgrade to a full system when used with the Akrapovič Slip-On exhaust system. Let your bike stand out with more power, beautiful design, and the unique Akrapovič sound. Featuring exhaust valve for improved rideability in lower rpm.
Optional headers fit also with Akrapovič standard (first fit) / BMW accessory Akrapovič silencer.
When installing optional headers E-B12E4/1, remapping the ECU is recommended in order to prevent »check engine light« warning signal and achieve optimized performance and throttle response.
THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.
EXPERIENCE THE SOUND
Immerse yourself in the sound of the BMW R 1250 GS / ADVENTURE exhaust systems.
| Unit | Akrapovič | Max gain | |
|---|---|---|---|
| Max. power | kW | 93.1 / 7800 rpm | + 2.6 / 7350 rpm |
| HP (m) | 126.6 / 7800 rpm | + 3.5 / 7350 rpm | |
| HP (i) | 124.8 / 7800 rpm | + 3.4 / 7350 rpm | |
| Max. torque | Nm | 136.6 / 6550 rpm | + 6.7 / 2650 rpm |
| lb-ft | 100.8 / 6550 rpm | + 4.9 / 2650 rpm | |
| Weight | kg | 1.9 | - 2.4 |
| lb | 4.2 | - 5.3 | |
| % | - 55.8 | ||
| Volume | dB | 88.6 / 3875 rpm | 0.6 |
| Inst. time | min | 90 |
RACING IS IN AKRAPOVIČ DNA
RACING PARTNERS

From the R&D department with sound engineering—and through the laboratories that manage and measure the materials and into the in-house titanium foundry and then to production, before evaluation and completion—the manufacture of an Akrapovič exhaust is an internal journey with many facets that are all completed at the company’s state-of-the-art facilities.

Using only the highest standard of materials in the production of every Akrapovič exhaust, our materials are thoroughly inspected upon arrival and assessed in the metallurgical laboratory. Though more than 35 years of experience working with titanium, stainless steel, carbon fibre, aluminium alloys, and more recently ceramics matrix composites, Akrapovič sources only the best materials to produce its high-quality exhaust systems.
Akrapovič is a manufacturer of premium exhaust systems for motorcycles and performance cars. It is renowned around the globe as an innovative company that uses advanced technology and high-quality materials in exhaust system design and manufacture. Akrapovič exhaust systems excel in improved performance, an unmistakable sound, innovative design, lightweight construction, craftsmanship, and durability. There is no mistaking an Akrapovič.


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