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   AEM # 21-821DS is a Performance Cold Air Intake System via Marken Performance fits 2009-2017 3.7L 370Z (not for Nismo) and yields +15 horsepower and +15 TQ as measured at the rear wheels on a chassis dynamometer bringing values up to Nismo performance.  This system replaces both the left and right side intakes. The AEM Dryflow synthetic washable air filter does not require oiling and can be used up to 100,000 miles before servicing is needed (depending on driving conditions). The heatshield is a two piece design and also utilizes the factory air ducting. The intake tube is constructed from mandrel bent aluminum and has a durable gray powder coat finish with accommodating the OEM mass air flow sensors and PCV hoses.  The AEM 21-821DS utilizes only the factory mounting locations, so there are no holes to drill or permanent modifications to make.

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