AIR4ORCE intake system applications
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- Post 17 September 2012
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- Post 17 April 2011
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The AIR4ORCE tunable intake system completely replaces your existing stock airboot with a custom designed airboot that offers the maximum air volume and the benefit of adjustable velocity stacks.
The decision to enter the four-stroke market was not taken lightly. It was immediately clear that as a company, Moto Tassinari wanted to continue to build on the success of the VForce3 reed valve system. We wanted to offer a product to the racing community that they would in turn feel was an essential part of their engine performance and on-track success. Much like the VForce3 reed valve system has been previously. The VForce3 has been used in championship winning motors in everything from motocross and supercross to karting championships. It has also gone on to become standard equipment in select Polaris, Arctic Cat and Ski-Doo snowmobiles as well as select KTM, Husqvarna, TM, Gas Gas, Beta and Cobra motorcycles. Having this kind of success with the VForce reed valve system, reminded us we have "big shoes to fill" as far as product performance and expectations. We feel we didn't disappoint and we're confident you'll agree.
We knew right from the beginning we did not want to jump on the proverbial band wagon and rush to offer a product where the performance benefit is often questionable and marginal at best. Instead we wanted to again enjoy the satisfaction of being chosen by every Factory race team as mandatory equipment for racing at the highest level. We chose to build on our vast knowledge of air intake and began work on developing the AIR4ORCE in the Summer of 2008. When initial dyno and field testing showed impressive results, development was kicked into overdrive. By mid-summer of 2010 we had actual production samples that were ready for the ultimate test: the outdoor nationals. Matt Jory of the Troy Lee Designs / Lucas Oil / Honda race team was one of the first to gain access to the AIR4ORCE intake system. With Matt's knowledge in four-stroke engine technology he immediately understood the benefits of being able to swap out velocity stacks as well as increasing the air volume of the boot. The Troy Lee Designs / Lucas Oil / Honda race team began using the AIR4ORCE immediately and raced the last three motocross nationals of 2010 with the AIR4ORCE intake in all their Honda CRF250R's, including Tarah Geiger.
The AIR4ORCE tunable intake system has received 1000's of hours of development and fine-tuning to bring you the the highest level of performance, while also allowing a simple straight forward installation. Every characteristic of the AIR4ORCE has been taken into consideration, a fact you'll notice as soon as you open the box. We hope you enjoy the new AIR4ORCE tunable intake system as much as we enjoyed developing it from a concept on the drawing table, to a vital part of a winning motorcycle.
My job is to make sure we are using the very best components on our race bikes and the AIR4ORCE tunable intake is just that!
-Matt Jory, Lead Technician TLD/Honda
… the bike was more responsive and quicker to rev with the AIR4ORCE, which makes the bike respond better, act more nimble, and even feel lighter.
-Dirt Rider Magazine
This is not just a pro mod, this is a boost that all riders can benefit from immediately. It sure has been a key addition to our holeshots this year!
-Steve Dixon, Owner BikeIt Cosworth Yamaha Grand Prix Team
The AIR4ORCE gives me an advantage everywhere on the track, making the AIR4ORCE tunable intake system a must have.
AIR4ORCE Product InformationWe receive a lot of questions by people curious to exactly what the AIR4ORCE tunable intake system is. We'll do our best to answer the most common questions below. If you still have questions, please feel free to email us.
01WHAT IS THE AIR4ORCE TUNABLE INTAKE?The AIR4ORCE is a tunable intake system via interchangeable velocity stacks, that completely replaces your stock air boot.
02WHAT DOES THE AIR4ORCE INTAKE DO?First it creates more horsepower due to the larger air volume. Second it allows the user to change the power characteristics to suit track conditions and rider preference.
03WHAT CAN I EXPECT AFTER INSTALLING THE AIR4ORCE INTAKE SYSTEM?Depending on the chosen velocity stack installed in the AIR4ORCE you will gain better throttle response and bottom and mid-range power (with longer velocity stack), or better throttle response and mid-range to top (with the shorter velocity stack installed).
04WHAT'S INVOLVED WITH INSTALLING THE AIR4ORCE INTAKE SYSTEM?DRemove subframe (using directions provided in your motorcycle manufacturer's owners manual), remove rubber boot between airbox and carburetor throttle body, and replace with the AIR4ORCE.
05WHAT'S INCLUDED WHIN I PURCHASE AN AIR4ORCE INTAKE SYSTEM?Moto Tassinari product line brochure, Moto Tassinari and AIR4ORCE decals, detailed installation instructions, two velocity stacks, AIR4ORCE tunable intake system and hose clamps and gaskets where necessary.
06WHAT IS THE PRICE OF THE AIR4ORCE INTAKE SYSTEM?The manufacturer's suggested retail price of the Moto Tassinari AIR4ORCE Tunable Intake System is $298 (USD).
WHAT ARE VELOCITY STACKS?The most unique feature of the AIR4ORCE tunable intake system is the ability to fine-tune the power delivery via interchangeable velocity stacks. However that concept might be a little unfamiliar for some not as experienced with four-stroke motor performance. We'll do our best to explain the concept below:
A velocity stack is a device of differing lengths which is fitted to the air entry of an engine's intake system, carburetor or fuel injection. It is designed to:
- Allow smooth and even entry of air at high velocities into the intake tract with the flow stream adhering to the pipe walls.
- Modify the dynamic tuning range of the intake tract by functioning as a resonating pipe which can adjust the frequency of pressure pulses, based on its length, within the tract.