Interesting. The old belief was 'catback for noise, turboback for power' I remember reading that some big power Lightnings blew motors when the seasons change

Interesting. The old belief was 'catback for noise, turboback for power' I remember reading that some big power Lightnings blew motors when the seasons changed (guessing they tuned in the summer so in the winter it ran lean, but I can't recall). All of this probably depends on how smart your ECU is...or isn't