Akrapovic Evolution Exhaust System (single muffler) for Honda CRF 450R (2009 - 2012)
The Akrapovic Racing and Evolution complete exhaust systems are the flagships of our product lines. They are designed for competition-oriented MX riders who demand maximum performance from their exhaust systems. With their production quality, engine performance improvements and modern Hexagonal muffler design they satisfy the requirements of all riders. The systems are designed for two markets; in the US they are available with an approved spark arrester, and for the EU and other non-US markets they come with a noise damper. Noise emissions of 94 dB are within new strict regulations.You will also save on weight, when compared to stock exhaust systems. We use our exclusive titanium in the production of the Evolution line and a combination of stainless steel and titanium for the Racing line.
- Power
- +1.9HPat 9600 rpm
- Weight
- -1.2kg
PERFORMANCE
Measurements of the Akrapovic EVOLUTION system on the HONDA CRF 450 R (with muffler insert):
Power & Torque: The Akrapovic Evolution and Racing systems deliver a performance increase throughout nearly the entire rpm range. It is most pronounced in the bottom and the top of the range. The systems deliver increased torque similar to the power increase. Max. increased power of 1.9 HP was measured at 9600 rpm, while max. power of 51 HP was measured at 9750 rpm.
Performance
|
|---|
| |
stock
|
AKRAPOVIC
|
max. increased power
|
|---|
max. rear wheel power
HP / rpm
(measured on Dynojet ATV) |
49.7 / 8380 |
51 / 9750 |
1.9 / 9600 |
ADDITIONAL DATA
|
|---|
weight comparison (kg)
|
stock
|
AKRAPOVIC
|
difference
|
| 3.45 |
2.25 |
1.2 |
noise measurements (dB / rpm)
|
stock
|
AKRAPOVIC
|
| 94 / 4500 |
94 / 4500 |
** 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 Akrapovic Evolution Exhaust System for the Honda CRF 450R (09-12)
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.
