An air filter change alone however, can not eliminate other types of air restriction built into the vehicle at the factory. (fox-performance.com)
The design also helps maintain nearly ambient charge air temperature with exceptionally low air restrictions. (corvetteblogger.com)
The intake kit includes a high - flow air filter and a secondary inlet duct to decrease air restriction, while the performance exhaust is a high - flow system that reduces backpressure for optimal engine breathing and performance. (gm.com)