AEM Dryflow 3.5in. X 7in. Round Tapered Air Filter Drivetrain>Clutch Kits - Multi ACT 6 Pad Sprung Race

ACT 6 Pad Sprung Race Disc for LS Engine/Flywheel w/Nissan 350Z Trans/Input Shaft (S/O No Cancel)

such as the Infinity ECU

this has a fully bolt-on installation and is Made in America

they may not be appropriate for a specific application

Conversely

AEM Dryflow 3.5in. X 7in. Round Tapered Air Filter Drivetrain>Clutch Kits - Multi ACT 6 Pad Sprung RaceAEM Brute Force Dryflow Air Filters are specially designed for tough off road applications. They provide outstanding levels of filtration efficiency and capacity. AEM Brute Force Air Filters are oil free and their synthetic media is incredibly easy to clean. Even more impressive, they are so durable that they maintain their shape under even severe abuse.