Yes you will need a 99-04 GT catback. People have made the Cobra catback work with a SRA not sure how though. You will need a mid pipe that is for long tubes. It will have to be BBK to match there headers though. I have MM FLSC's on my car and jack the car up using them all the time.
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Ok so if I have bbk long tubes I can only use that brand of mid pipe. I didn't know that. Are all headers and mid pipes that way? They have to be the same brand?