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The intake of choice for Team Lexus! (pictured above)
New lightweight T-6061 aluminum construction! For the discriminating enthusiast! The Silent-Flow installs completely with the factory airbox and therefore has a factory appearance with a more robust sound. Very stealth!
While simple in principle, the Silent-Flow for the 3.0L 2jz-ge IS300 & GS300 produces quite tangible increases in engine power and smoothness (+8.7rwhp & +7.5rwtq). The resulting improvements are from a combination of air filter design and the precise mandrel bent transition tube. The PLP Silent Flow Intake retains the factory airbox and cold air induction inlet. The PLP lifetime filter supplied in the kit provides nearly 30% more air flow over a conventional panel filter and has a unique fully reticulated 3 stage (open pore) foam element. Be aware of cheap imitations! There is a knock-off available which is of much lesser quality that is not designed for the IS300!
The PLP-SFI comes complete with wrinkle black powder coated T-6061 aluminum transition tube, fiberglass reinforced silicone couplers, stainless steel worm drive clamps, high flow lifetime filter element, signature trunk badge and detailed instructions with pictures.
Open Cell Filter Foam
The development of this special foam represented a major advancement in air filtration technology. Foam air filters now combine great airflow capability, huge dust holding capacity, and very high filtration efficiency for extremely small particles.
Fully reticulated (open pore) foam is a honeycomb of tiny, interlocking cells of uniform size, which create an impossible journey for dirt particles since there are no straight-through passageways. Each passageway (16 to 25mm long) is like hundreds of very small centrifugal/oil bath filters connected one to another. In this way, foam traps and holds the particles throughout the entire volume of foam. This is why they are referred to as "full depth" filters in contrast to the paper or gauze elements, which are screens, or "surface type" filters. The cell strands stop the dirt, while the oil film holds the dirt like fly paper until removed for cleaning.
The principle of how foam air filters work is simple: "Open Cell" Polyurethane Foam is wetted with specially developed filter oil. The "sticky" filter oil is suspended in the path of the dirty air on the strands of the web-like cell structure of the foam. This makes it impossible for dirt to pass through the depth of the filter without sticking to the strands. As the outer strands become loaded with dirt particles, the wetted strands down stream start trapping dirt, allowing the entire thickness to be utilized. This prevents surface loading or air restriction for 80% of the service life of the air filter element. When the filter is dirty, it can be easily washed, re-oiled, and re-used.
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