The exhaust is the same, except a N/A has a manifold and headers, a turbo has a collector, turbo, elbow and down pipe. I almost have no idea what your asking in this post but... The bigger a turbo is the more peak boost possible, however it generally takes longer to spool. Smaller turbo with means faster spool with less peak pressure. You can always twin turbo but that means an engine swap =0
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