Akrapovic Slip-On (SS) Line Titanium Mufflers for Yamaha XT 660 X/R (04-16)
Everything packed in stylishly designed Slip-On exhaust systems. The result of taking design very seriously is a beautifully crafted exhaust system.The muffler outer sleeve is made of titanium.
Warning! EC Type approval is valid only for model years until 2006.
- +1.8 KW at 6250 rpm
- Torque
- +1.7 at 4700 rpm
- Weight
- -6.2kg
PERFORMANCE
Measurements of the Akrapovic Slipo On Line Titnium Exhaust on the Yamaha XT 660 X/R 2011:
Technical Data
|
|
UNIT
|
STOCK
|
AKRAPOVIC
|
MAX GAIN
|
maximum power |
kW |
33.1 / 5900 rpm |
34.6 / 6200 rpm |
+ 1.8 / 6250 rpm |
HP (m) |
45.0 / 5900 rpm |
47.1 / 6200 rpm |
+ 2.5 / 6250 rpm |
HP (i) |
44.4 / 5900 rpm |
46.5 / 6200 rpm |
+ 2.5 / 6250 rpm |
maximum torque |
Nm |
56.6 / 5100 rpm |
60.3 / 5000 rpm |
+ 1.7 / 4700 rpm |
lb-ft |
41.7 / 5100 rpm |
44.5 / 5000 rpm |
+ 1.3 / 4700 rpm |
weight |
kg |
11.1 |
4.9 |
- 6.2 |
lb |
24.5 |
10.8 |
- 13.7 |
% |
|
|
- 55.9 |
legal for street use |
NO |
|
measured with: Yamaha XT 660 X/R 2011 |
** Technical specifications of Akrapovic exhaust systems and related products subject to change without notice
Below you may see the diagram data dislaying the difference in Engine Torque and WH Power between stock and Slip On Muffler for Yamaha XT 660 X/R 2011

Emission Notice
WARNING:
Because of the world-wide distribution of Akrapovič d.d. products, neither Akrapovič d.d. nor any of its subsidiaries make any representation that the products comply with the air and/or noise emissions laws, or labeling laws, of any jurisdiction. The purchasers are entirely responsible for informing themselves of the applicable laws where the products are to be used and to comply with those law.
WARNING / USA:
Various U.S. states and the U.S. federal government have individual laws regulating the use of aftermarket exhaust parts and systems, especially as those parts and systems modify, remove, or replace original equipment catalysts. Please consult the appropriate laws in your area before installing any aftermarket part or system on your vehicle to ensure compliance with all applicable laws. Neither Akrapovič d.d., Akrapovič America LLC nor any of their subsidiaries or the sellers of the parts or systems make any representation that any of their parts or systems comply with any such laws.
WARNING / California:
California laws prohibit the use of any aftermarket exhaust part or system that modifies, removes or replaces original equipment catalysts unless the California Air Resources Board has issued an Executive Order regarding such part or system or unless the part or system is exempted by being used only on racing vehicles on closed courses. Neither Akrapovič d.d., Akrapovič America LLC nor any of their subsidiaries make any representation that any of their parts or systems has received such an Executive Order or that any of their parts or systems conform with the racing vehicles exemption. The purchasers are entirely responsible for informing themselves of applicable California laws and to comply with those laws.

Genuine Akrapovic Exhausts
Notice:
The exhausts presented and sold through our sales channels are genuine Akrapovic exhaust systems.
They are not copies but authentic Akrapovic exhaust systems protected with two year warranty
Enjoy the thrilling sound of your exhaust system and be sure that the part you have is of the highest level manufacturing quality provided by Akrapovic.
How to Spot the Real Thing
Power from your engine will increase.
Manufacturing quality is like none other. There sould be no flaws in the body of the exhaust.
That is why the price is at those levels.
If it is too cheap to believe , then it should not be a genuine Akrapovic.
Do not compromise with cheaper and lower quality copies.
