they sound good...
now... yes greddy turbo kits are very well made... but the people that have them on there cars around here are generally in california... that's only because it is the only carb-eo legal turbo kit... this has ALL been covered before... but because your new i'll let you slide....
im assuming you don't know too much just yet... on the top right of your screen, there is a button that says search... if you don't understand something...search and learn.. it's an amazing quality we value.
:cheers:, welcome to han... blah blah blah
search for "GSR Turbo" and you'll find more than enough reading to keep ya busy