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Une grande marque de pot d'échappement a très bon prix reconnu dans le monde entier.
In the 70s, Giorgio Giannelli, a young motor and motocross enthusiast, participated in his first races and in many national championships
These were also the years when he got closer to mechanics and became a passion that still is today
After a few seasons, the first world title arrives, when the Belgian pilot JOBE wins the 500 MX Class World Championship.
Soon, alongside the range of exhausts and accessories for 2-stroke motorcycles, a new line of exhaust systems for 4-stroke motorcycles is designed: tested during the demanding Paris-Dakar Rally, these exhausts were mounted on the winning Honda of the race by Edi ORIOLI, in 1988. In the 90's,
This lineup of awesome drivers was a boost to the creation of the brand
Also in the 90s, new investments were made in research and development, creating the R & D Department and the Race-Lab, which provides direct support to the teams on the tracks.
It was in this decade that the first experiments were carried out with carbon fiber and titanium. With these new materials, the products
In order to better respond to the needs of the markets and to maintain the highest level, all production and logistics processes were reworked and renewed during this period. This push towards a new modern company was complementary and not a replacement of the traditional craft of Arrow's production teams (especially in the welding processes) . The commitment of
The search for better performance, better materials and unique style has had an undeniable effect on production. Nowadays
In this last period, the Technical Office sees the introduction of 3D CAD modeling, a very important step to keep design capabilities corresponding to the needs of current and future technology. Production processes have been improved with the introduction of state-of-the-art machinery such as laser cutting, automated warehouses for components, latest generation bending machines .... These investments target the efficiency of mass production and the operational flexibility necessary to maintain the highest level of competitiveness in this constantly changing market
A large part of the investment was also used to improve the tooling services, with new machines and software.
The high quality of processes and products is fundamental for many motorcycle manufacturers who require
Recently, a merger between Giannelli Silencieux and
At present, the products
With the strength acquired during the 30 years of existence, with experience and knowledge,
And the story continues ...
When a new motorcycle is introduced to the market,
In both cases, the exhaust system is designed directly on the motorcycle / scooter / or moped. The vehicle (in most cases completely original) is placed on a stand in one of the workstations available in the R & D then they start to think, to discuss the best position of the exhaust. The design is then transferred to a physical sample, and, thanks to the experience and knowledge of the R & D technicians and engineers, the prototype is built piece by piece, using parts already available and new parts designed to fit this vehicle.
When it is ready, the prototype exhaust system is tested and checked for engine power, noise, and emissions and to make sure the fitment will be perfect. Sometimes it is necessary to make some changes to get the right balance (between power, noise and emissions). After each change the exhaust prototype is checked again to arrive at the final prototype that will be put into production and available for sale as soon as possible.
The heart of the R&D department is the test room. There, a set of tools allows
Inside the room, there are four test platforms (1 static and 3 dynamic) capable of interacting with the gas analyzer, looking for exhaust emission levels and allowing the design of emission control devices such as catalytic converters.
The majority of exhausts
The European standards are defined in the directive 97/ 24 / EC, a directive that has been modified several times in recent years
97/24/EC chapter 5: Pollution Emission
97/24/EC chapter 9: Noise Levels and Power
CARB: U.S. California Air Resources Board or California Environmental Protection Agency
The standards are continuously improved to keep pace with technological advances in vehicle design and to meet the ever-changing need to keep noise, power and emissions under strict control.
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