![]() revs, But that is where this motor is designed to work best. Of course the greatest benefits are felt between 4. That is, the smaller diameter inlet increases the air velocity and the bellmouth smooths the laminar airflow. The velocity stack with it's half inch smaller diameter and smooth bellmouth seems to do its job. My theory is that using the 4" opening on the filter is either too big (stalling airflow) or the thick edge of the intake sticking into the filter was causing a lot of turbulence in the intake. ![]() With the V Stack in place the pick up is noticeably better than the filter without it. There was no need for shimming it up with tape. That fits snugly into the stock intake and can be clamped. Lots of noise but not much forward movement.Īfter incorporating the stock V Stack into the filter and using the 3.5 " sleeve, the V Stack fits tight into the filter and the neck of the V Stack protrudes out of the filter about 1 3/4 inches. With that setup putting the foot down hard anywhere under 5000 revs had it gasping for air. Previous to adding the stock V Stack to the filter I had the filters 4" opening clamped over the top of the stock intake tube. ![]() I do feel the ecu needs some time to adjust so I will see what a few days tells. Overall I cant feel much of a gain but most butt dyno's will not notice gain near or much over 10hp. When I hit Vtech the gates of K24 hell opened up and the engine had to be heard blocks away. Motorcycle Air Intake & Fuel Delivery Parts Motorcycle Air Filters. First impression was a loss in torque and not much increase in acceleration. Gas Scooter Carb Air Filter Vstack 33cc 43cc 49 50 52 cc Goped Pocket Dirt Bike. So I found a nice stretch of empty road and put it to the floor. I took her out for a drive and noticed immediately how much louder the intake sound has gotten and and increased throttle response. I just ended up wrapping the remaining plastic from the velocity stack with electrical tape until it push in snug like the factory air box.Īfter letting the ecu reset, I let it relearn the idle for a minute. When I slid it into the stock intake tube it was a no go, the rubber sleeve was just to thick. The Husqvarna 357/359 Vstack Adapter is epoxied to the stock intake elbow, a hole is then needed in your top cover to allow room for the air filter to stick. I slipped on the 3.5 rubber sleeve that came with the filter over the velocity stack and attached the filter. I removed the stock velocity stack and cut the tabs of the sides. 3 inch All Motor Through Headlight Intake w/vstack for Honda Acura B Srs EG EK. While slight gains can be seen by pointing the velocity stack into oncoming air without the filter, this puts the engine at risk as unfiltered air can cause unwanted debris to enter your engine.So I decided to try this setup using the Spectre Filter that I was able to pick up from PepBoys for $26. Filter and Intake Manifold is NOT included. NOTICE: Hybrid Racing recommends always running the filter on the cold air intake. Buy Two Brothers Moto Intake Air Cleaner Intake Filter Harley Touring FLH/T 17-19 597752 930-02214 034-464-03-P Milwaukee Eight M8 softail from Eastern. Fully assembled, the filter and velocity stack has a 6.25" overall height and 7.5" diameter. The velocity stack has a 2.25" overall height. All you need to connect it to your 3.5" cold air intake is a 3.5" silicone coupler and (2) hose clamps. The velocity stack has a 6" inlet and a 3" outlet. Included in each kit is a velocity stack, filter, and a hose clamp to connect the two together. That said, the same sort of benefits can be seen by adding a similar bellmouth (in this case a velocity stack) to the end of your cold air intake. This bellmouth is added because it increases the efficiency of air moving through the pipe by as much as 70% in the right situations. If you've ever looked inside an intake manifold, you've noticed a curved "bellmouth" profile at the inlet of each intake runner. A well-designed cold air intake and high-flow cone filter are great ways to let your engine breath better, but a filter on the end of a pipe has its limitations. Paying close attention to how air flows into and out of your engine is an obvious place to start making modifications for optimal performance. When it comes to getting the most power out of your engine, the devil is in the details.
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