Should look really good. You're going to have to roll your rear 1/4's or the tires will rub (even stock height tires.) Also, I bet you really notice the weight difference of those wheels on a v6 car. They made my car feel a little sluggish when I had them. I think they carved them out of solid blocks of lead.
'09 PSM G8 GT w/ Premium & Sport packages.
Go: LS3, BTR 233/250 (Stg IV) cam, Manzo 2" Camaro LTs, Kooks 3" mids, GXP axle backs, VCM, 100mm LS7 MAF, 3.27's, Circle-D 3600 stall, built 6L80E. Tuned by Me.
Whoa!: CTS-V/ Camaro Brembos, full Zeta II front and rear suspension swap w/ BMR goodies and BC coil-overs.
Show: LED headlights and fogs, VG Sharkfin, GXP bumper & diffuser, 10% tint, de-badged, CTS-V wheels.