![Subaru STI Brake Cooling Ducts 2018-2021 ['New Products'] 500 RPM on mild street](https://cdn.shopify.com/s/files/1/0590/5131/1259/files/18-STI-Air-Ducts-Product-HR-1.jpg?v=1751497641)
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500 RPM on mild street performance applications and are oil filled to keep the windings cool
Crossover Balance Tube: The crossover balance tube equalizes and evenly distributes exhaust pulses traveling through the exhaust system
Magnum FORCE Intake Replacement Air Filter w/ Pro GUARD 7 Media 3-1/2 IN F x 5 IN B x 3-1/2 IN T (Inverted) x 8 IN H
aFe 08-13 BMW 128i (E82/88) L6 3
In the rear
Subaru STI Brake Cooling Ducts 2018-2021 ['New Products'] 500 RPM on mild streetThe APR Brake Cooling Ducts are aerodynamically optimized to "funnel in" massive amounts of air. Also known as the venturi effect, when the vehicle speed increases, this funneled in air increases in both pressure and velocity as it passes from the larger frontal area into the smaller pipe section of the brake duct. When matched with appropriate high temperature air duct hoses (not included purchase hoses from your favorite racing supply shop), the APR
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![Carl Zeiss Planar 50mm F1.4 ZE T* [For Canon EF] digita](https://cdn.shopify.com/s/files/1/0082/0654/9051/files/LINE_ALBUM_892024_1_240914_11.jpg?v=1754207533)
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