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Mark Hendrikx - Automotive engineer at Mosselman

Expert's advice:

The Akrapovič Slip-On exhaust system, made from titanium —with some parts cast in Akrapovič’s own foundry—, as bigger pipes than the stock exhaust, yielding lower back pressure and more power, especially at lower RPMs. This system is a completely new design, and it will reduce overall vehicle weight and deliver extra power and a sporty sound, which has been tailored to highlight lower frequencies and increase the listening enjoyment. Increases in both power and torque add to the sensory experience, combined with improved agility. The look of the Slip-On system can also be further enhanced by adding titanium or carbon- tailpipes and the stunning carbon- rear diffuser. An optional Akrapovič Sound Kit is available to control the different sound settings.

Note: This system does not fit on vehicles equipped with Otto particulate filter (OPF).

Mark Hendrikx - Automotive engineer at Mosselman

Installation instructions

Installation instructions

download manual

MOSSELMAN tuning experiences

  • Anders M.

    With Mosselmans' performance package I exceeded even more than the company advertised on their website! The information sharing process was easy and hassle-free. Excellent customer service from Leon and his team!

    Anders M.

  • Thom H.

    Mosselman tuned my BMW 318d today. What a result, it became a completely different car! Very professional company and friendly staff. This was my second car here and again they have exceeded my expectations. Thanks!

    Thom H.

  • Rob M.

    Very happy with my improved car, the car reacts better on the throttle and is very direct. Also, the exhaust sounds better!

    Rob M.

  • Bas H.

    Visited Mosselman on May 24th for the chip tuning of my 135i, great result! The adjustment is great, when will you post the photo on FB :)?

    Bas H.

  • Romke B.

    After 1,5 years still very happy with my iTronic. By far the best upgrade I could have done with my BMW 340i.

    Romke B.

Technical details

  Unit Stock Akrapovic Max Gain
Maximum power kW
HP (m)
HP (i)
327.7 / 6250 rpm
445.6 / 6250 rpm
439.5 / 6250 rpm
331.5 / 6600 rpm
450.7 / 6600 rpm
444.5 / 6600 rpm
+ 5.4 / 4400 rpm
+ 7.3 /  4400 rpm
+ 7.2 /  4400 rpm 
Maximum torque Nm
583.1 / 3900 rpm
430.1 / 3900 rpm
584.6 / 4000 rpm
431.2 / 4000 rpm
+ 17.4 / 2350 rpm
+ 12.8 / 2350 rpm
Weight kg
- 3.0
- 6.6
- 15.0
Installation time min   150