avlon06

What does this mean when a s/c comes with an s-trim?

Rusmisel01GT

+1... and all the other trims

Boosted99Gt

The A, S , T trims are the models of the blower. For instance the A trim puts out around 4 to 6 lbs of boost, S trim 8 to 10 lbs, and the T trim puts out 13 to 15 lbs of boost. All that it signifies is basically the amout of boost the blower puts out. Jay

avlon06

and i assume that each one is a little bit more exspensive?

Boosted99Gt

Yes they are.