SLP engineered PerformancePacs were designed for the budget driven hot rodder in mind. The PerformancePac line allows for you to take steps in achieving the ultimate performance from your vehicle. Start with the 350hp upgrade and as your budget allos add the parts that will eventually have your 1998-2002 Camaro/Firebird making up to 400hp. Each kit is built to increase performance while maintaining drivability. All kits are suitable for use with all factory recommended octane levels. Maximize the power from your engine, exhaust, and powertrain components with jointly designed parts from SLP today.