[Porsche-O-Phile]

Bigger is not necessarily better. . .

What matters is the delta-t (change in temperature) numbers between the intake and outlet sides. There are many ways to get good or better-than-stock delta-t numbers with relatively "small" intercoolers.

The Lindsey intercooler is a humongous rip-off, IMO. The price is ridiculous for the gains you'll see. The best gains-per-dollar are (1) driver improvement (DE), (2) chips, (3) wastegate, (4) turbo/injectors, (5) exhaust, (6) MAP/MAP and (7) other stuff like intercoolers - more or less in that order (some exceptions).

If you're really serious about running large delta-t numbers, consider a misting-type (water or water-alcohol) intercooler that uses evaporative cooling. Way cheaper than that overpriced Lindsey thing and better.