Drop-In Dry Filter for Corvette C7 Grand Sport, Stingray, Z06 & ZR1Add up to 30+ wheel horsepower to your C7 Corvette with this replacement drop in air filter! After racking up thousands of miles on an ill fitting and visually unappealing aftermarket C7 intake we decided there had to be a better way. A careful review showed the factory air intake piping and MAF housing outflow aftermarket piping, but the factory filter and how it mates to the factory MAF housing creates a significant restriction. To address this