reviews on ITB's

[0\s accord]

was looking to do something different. So i was thinking of going with itb's but i would like to know more about them first.

like,
what brand is best for its price. Ive noticed the range in price of itb's are pretty high.

tuning?

gas mileage? i heard it is a big lose in gas mileage but thats not a big concern to me.

manintence? anything else u have to worry about besides normal tune ups?

power gain? im not looking for alot of power want to know what to expect like i said just wanting something different

how reliable is it for every day driving?

any help will be appreciated

and if your wondering what its going in its a 91 civic si with a zc bottom end with a d16z6 head. thats rite old fasion d series