In the case of all VR ram air units, true power output will never be able to be measured on a dyno as they are designed on a race track (to be moving). All are tested at varying speeds with multiple multipliers in them in order to function at the desired speed and pressure levels, not noticeable on a static dyno (if you like strong dyno numbers instead of unbelievable on track performance simply disconnect the ram tubes or contact one of their tech staff to find out how to adjust the VR for your power needs). What it comes down to is during the design process you must determine if you are building a ram air system or a system to pull numbers on a dyno. The reason being, each property PULLING or PUSHING, has its own internal aerodynamic package. The VR-B2 has a multiplier system in it (this will hurt pulling air flow static, due to there shape, this can be negated by using an extra half inch step in front of the filter but then it will delay the ram effect as well). This is similar to a blower drive or turbo multiplier. It is applied to airflow at each given speed. Example: say you had an after market cold air box that at 75 Mph was 90% efficient. The VR is over 100% efficient at that same speed. Now at 100 Mph the cold air is still at 90% (more than likely is has slipped to 88% efficiency, typical of this type of setup). The VR is at well over 100% efficiency and climbing! This is a gain that you will never see on a dyno.
A proper ram air system is a very complex item to make function properly at road speeds below 100 Mph. VR spent over 2 years developing the Corvette C5 unit but our parameters were for OEM, not all-out race use. The competition makes around 28-32 Hp through a 1/4 mile. The VR on a standard C5 or Z06 averages 35-43 Hp through that same 1/4 mile but the VR will make power and torque faster enabling it to be much quicker even on a dyno. "VR picked up 5 more Hp at peak over the Donaldson on our basic 390 rear wheel Hp car on or chassis dyno." Cartek Racing in Garwood, NJ using a VR set up for their cars (1 inch spacer in front of the filter vs. standard 1/2 inch), they were seeing 2-4 Hp more at peak Rpm with a VR-B2 but at 5000 Rpm they were seeing as much as 10 Hp more with the VR unit. Here in lies one of the many reasons why the VR is so quick. The system was designed to be adjustable by simply increasing or decreasing the plenum volume to suit a given cars power needs static. This feature combined with the low pressure drop across of our competition air filters allows the system to make more power under the curve and with a very efficient internal duct package it will force feed more air at lower speeds making for a much quicker and faster car.
A lot of companies talk about performance in the automotive after market, but VaraRam, they guarantee it! They have been doing it for racing teams for years and now we are doing it for you. The new VR-B2 unit is the third generation of the record setting VR-B2 system. This ram air system is over 110% efficient which allows the system to build manifold pressure at very low road speeds. This will improve acceleration which will lead decreased zero to 60 times as tested by Vette magazine. The VaraRam system will decrease you 1/4 mile times by 3/10ths - 1/2 second, Guaranteed!! or they will buy it back!
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