and throttle body

I have a 06 Mustang Gt with SLP loud mouths and a SCT SF3 / XCal3 Tuner with an 93 octane. Those are all my mods for now. I bought a C&L racer CAI and a 65MM throttle boady by ford. I haven't been able to install them cause when i installed it my car starting acting up all crazy. The RPMS...