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Akrapovic Race Line Exhaust System - S-K6R7-HT

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MSRP Price: $924.95

Our Price: $789.88

You Save $135.07 (15%)
Overview of Akrapovic Race Line Exhaust System - S-K6R7-HT


The Racing Line represents a full step in the exhaust system tuning process and offers a great balance between price and optimum performance. Racing performance exhaust systems are designed for riders that demand maximum performance from their motorcycle. The systems are lighter compared to the stock exhaust system and feature exceptional production quality and increased engine performance combined with pure racing sound output. A combination of racing materials like titanium for the muffler outer sleeve and carbon fibre for the end cap give these exhaust systems a racing touch.

EC type-approval is valid only when optional catalytic converter is installed.

Hexagonal-shaped canister with your choice of carbon-fiber or titanium outer sleeve

• Hexagonal mufflers feature a carbon-fiber outlet cap to match the design of each bike
• Outlet cap, perforated inner sleeve and inlet cap are all made of titanium
• Joint of the inlet cap is milled on a state-of-the-art CNC machine and connected by high-quality, silicon-shielded tempered springs
• Include a lightweight, compact and high-temperature-resistant carbon-fiber muffler clamp
• Conical shaped and hydroformed header is made of stainless steel; crossover tubes may be installed on certain models
• Link pipe may be cylindrical and in some models made of titanium; type of construction is based on maximum increase in performance
• When the position of the exhaust system needs to be changed and the stock bracket is no longer usable, a carbon-fiber bracket is included

Power                        +3.8kW at 9560 rpm

Weight                       -3.9kg
Torque                      +4.4Nm at 5000 rpm

It's not just about peak power-Akrapovic exhaust systems deliver increased performance throughout the entire rpm range. Increased power and torque result in a much smoother ride. All Akrapovic exhaust system measurements are made on our computer-controlled flowbenches.

                     Unit            Stock                      Akrapovic               Max gain

power           kW           50.7 / 8770 rpm           53.1 / 8820 rpm     + 3.8 / 9560 rpm
                     HP (m)     69.0 / 8770 rpm           72.2 / 8820 rpm     + 5.1 / 9560 rpm
                     HP (i)       68.1 / 8770 rpm           71.2 / 8820 rpm     + 5.0 / 9560 rpm

torque          Nm           63.4 / 7020 rpm           64.6 / 7000 rpm     + 4.4 / 5000 rpm
                     lb-ft         46.8 / 7020 rpm            47.6 / 7000 rpm     + 3.2 / 5000 rpm

weight          kg               8.0                                4.1                   - 3.9
                     lb              17.6                                9.0                   - 8.6
                    %                                                                           - 48.8


Kawasaki -

ER-6F 650 2012-15
ER-6N 650 2012-15

The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.

Specs for Akrapovic Race Line Exhaust System - S-K6R7-HT

Color - Primary Silver
Style Bologna/Slash-Cut Tip
Type 2-Into-1 System
Units Each
Weight 0.00 lbs

Alternate/OEM Part Number(s):


UPC Code:

Specs for Akrapovic Race Line Exhaust System - S-K6R7-HT
Color - Primary Silver
Style Bologna/Slash-Cut Tip
Type 2-Into-1 System
Units Each
Weight 0.00 lbs
Fitment for Akrapovic Race Line Exhaust System - S-K6R7-HT
See if this part fits your ride

Part 4408634 fits the following machines

  • 2012 Kawasaki EX650C Ninja 650R
  • 2016 Kawasaki EX650E Ninja 650R
  • 2015 Kawasaki EX650E Ninja 650R
  • 2014 Kawasaki EX650E Ninja 650R
  • 2013 Kawasaki EX650E Ninja 650R
  • 2012 Kawasaki EX650E Ninja 650R
  • 2016 Kawasaki EX650F Ninja 650R ABS
  • 2015 Kawasaki EX650F Ninja 650R ABS
  • 2014 Kawasaki EX650F Ninja 650R ABS
  • 2013 Kawasaki EX650F Ninja 650R ABS
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Instructions and Manuals for Akrapovic Race Line Exhaust System - S-K6R7-HT