I am guessing turbo lag will be more apparent on low-revs but very good for high rev. Air has to travel longer distance but it is cooler when the car starts moving. Pros and cons. Very good for traffic jam too cos original setup - the engine heat will BBQ the TMIC.
My original engine was fine and I did not have this problem until my timing belt snapped at 7500 rpm in Oct 2014. Then I had the entire head replaced from a tuned Evo 6. The head was pre-done with port polished...