F1-z turbo pros and con

[homework]

sir/mam need advice on what do you think? what are the pros and cons of F1-z???
meron na po ba nakapag try nito two types po daw ito single and fan double fan
meron po ba effect ito sa air flow... or designed lang po
any advice po thanks

http://tsikot.com/forums/attachment....1&d=1384610337
http://tsikot.com/forums/attachment....1&d=1384610337

[niky]

Pros? Mura.

Cons?

1. Doesn't work
2. Creates turbulence in the intake, may interfere with MAF function and cause check-engine light and/or engine failure.
3. If it's plastic, may melt and cause an engine fire.
4. Doesn't work
5. Doesn't work
6. Doesn't work

[vinj]

Ages ago, Car and Driver did a controlled test on a closed track to determine the benefits of such products. The outcome? They wasted time and money... no changes whatsoever under in performance or fuel economy.