Akrapovic Slip-On Exhaust Kawasaki Ninja 650R / ER6N  2009-2011
  • Akrapovic Slip-On Exhaust Kawasaki Ninja 650R / ER6N  2009-2011 - Titanium
  • Akrapovic Slip-On Exhaust Kawasaki Ninja 650R / ER6N  2009-2011
  • Akrapovic Slip-On Exhaust Kawasaki Ninja 650R / ER6N  2009-2011

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Video Reviews (3)

Akrapovic Slip-On Exhaust Kawasaki Ninja 650R / ER6N 2009-2011 Videos

This product is legal in California only for racing vehicles which may never be used, registered or licensed for use upon a highway.

Akrapovic Slip-On Exhaust Kawasaki Ninja 650 R / ER-6N

The Akrapovic Slip-On Exhaust represents the first step into the world of exhaust system tuning. By no means entry level, it offers a great balance between price and performance. Each bespoke exhaust is designed to enhance the performance and match the design philosophy of your motorcycle. Transform the nature of your bike by adding not just more power, but also that unique, deep and resonant Akrapovic sound. Whether your choices are carbon fiber or titanium, you can be sure that every step in the R&D, design and manufacturing processes of each exhaust has been performed by a team of highly skilled and experienced engineers.

It’s not just about peak power - Akrapovic exhaust systems deliver increased performance throughout the entire RPM range. Increases in power and torque result in a much smoother power delivery and ride. All Akrapovic exhaust system measurements are formulated on in-house computer-controlled flow benches.


  • No fuel remapping required, but for optimal performance RevZilla recommends use of a fuel controller
  • A combination of beautiful machine and hand welds
  • Lightweight, compact and high-temperature-resistant carbon fiber muffler clamp
  • CNC machined muffler inlet cap
  • Optimized to maximize lean angle
  • All carbon fiber parts are produced in-house
  • Air-tight quality controlled production means your exhaust will be perfect
  • High-quality, silicon-shielded stainless steel exhaust springs

Unit Stock Exhaust Akrapovic Max Gain
Maximum Power kW 51.3 at 8730 rpm 53.2 at 8970 rpm + 3.8 at 5280 rpm
HP (m) 69.8 at 8730 rpm 72.3 at 8970 rpm + 5.2 at 5280 rpm
HP (i) 68.8 at 8730 rpm 71.3 at 8970 rpm + 5.1 at 5280 rpm
Maximum Torque Nm 65.1 at 7200 rpm 65.8 at 7170 rpm + 6.3 at 5250 rpm
lb-ft 48 at 7200 rpm 48.5 at 7170 rpm + 4.6 at 5250 rpm
Weight kg 6.4 1.9 - 4.5
lb 14.1 4.2 - 9.9
% - - - 70.3
Static Noise Level dB 90 at 4250 rpm 98.5 at 4250 rpm + 8.5

4.7 / 5
Bang For The Buck
3 / 5
5 / 5
5 / 5
Ease Of Install
5 / 5
Fit & Finish
5 / 5
5 / 5
This Product Fits:
ER-6F 2009, 2010, 2011
ER-6n 2009, 2010, 2011
Ninja 650R 2009, 2010, 2011
Product Style RevZilla Item # Manufacturer Product # Availability
Titanium 613865 SS-K6SO5-TT Available: Requires 3-5 business days lead time prior to shipment


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5.0 / 5.0
1 Review
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Bang For The Buck
4.0 / 5
Ease Of Install
3.0 / 5
5.0 / 5
Bang For The Buck
4 / 5
Ease Of Install
3 / 5
5 / 5
i liki
After several months of deliberation, I finally decided to buy the Akra slip-on for my 2011 Ninja 650R. I was surprised how light this thing is - just a few pounds compared to my stock unit that is easily 20+ pounds. It is a very nice addition to my bike - the materials and workmanship are top-shelf. The instructions for the install did not match my bike exactly, and there were a few superfluous steps (loosen bolts on headers only to re-tighten them later), so it took a bit longer to install that I anticipated. I think it would be almost easier to just install the thing without any instructions. It's a somewhat tight fit on the bike, and I was really wondering if it would actually fit, but it did with one small exception: The bottom corner of the fairing was resting - pushing actually - against the unit when it was all installed - right on the sticker. I knew that the pressure of the fairing on the exhaust wold wear off the sticker, and possibly melt the fairing, so I dremmeled off a part of the fairing. See the pic below for details. A few months ago, I cut off the fender extension with my dremmel as well, so I was not concerned about making some customizations. I'd like to think that a pro installer could have made it work perfectly; but like I said - I did not really care about making the modification. It has a dampener you can unscrew and pull out. The sound is amazing! However, I'm unable to determine if there really is a performance increase.
June 17, 2013
2011 Kawasaki Ninja 650R
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