Originally Posted by DaBluedude
On a mild mod car you may loose a little low end grunt up to 2000 rpm but above that you won't notice it. Up top 4500+ you might feel the revs climb a little faster.
Yep. You don't necessarily lose any under 2k, it's that most tunes stay stock like under 2k for drivability. So there isn't any noticeable increase down low versus the rest of the tune. Making the low, low end feel like it has lost something.