The GAS VStack is a velocity stack designed to optimize volumetric flow rates into your induction system by preventing boundary layer separation at the inlet of your system. Both OEM and traditional aftermarket induction systems utilize a filter or filtration system that creates unfavorable geometry that initiates turbulent vortices and eddies at the inlet, reducing the effective inlet ID. This turbulent fluid at the inlet is acting like a choke plate on your engine. The GAS VStack takes advantage of the large flanged filter to create an induction system inlet geometry that will eliminate this choke. Each of our VStacks is optimized using CFD (Computational Fluid Dynamics) software to run flow simulations and ultimately provide you with a performance product that delivers results. The use of PA66 Nylon also significantly reduces heat soak, or the amount of heat absorbed by the velocity stack and then transferred to the air. Lightweight design reduces overall weight compared to metal counter-parts, effectively reducing mechanical stress on existing air induction system and mounts. These are the same velocity stacks you can find in our popular Omega intake systems, and the perfect add-on for maximizing gains from your DIY intake! All VStacks can be run on their own, or with a 6" air filter of your choice. Does not include a coupler! If you need a coupler for your intake, you can find them here. Features: Eliminates turbulent flow, improving power and resulting in more favorable pressure ratios on turbo or supercharged engines Injection molded from PA66 glass-filled nylon, the same material used by OE manufacturers for cooling system and intake components CAD-engineered and flow-tested for maximum efficiency, no curve left unturned Manufactured start to finish in the USA
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