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ok went to the drag strip 2night for some reason my car wouldn't re past 5317 rpms , what would cuz this im not trowing any code i changed my plugs with ngk copper plugs but went with a colder plug and stok 7mm wires im really stumped ... i ran 18.9 @69mph last year i ran 17.1 before i installed the mag intake so wtf i haent been able to get in and hae it dyno tuned yet im using the afc neo to open the secondaries at 4900rpms