i have a 91 ls and i have both front and rear upper bars its pretty nice, the rear was an easy install i had to cut that plastic liner alittle i will post pics of it tomorrow or i think i already have pics posted look for my very first post i posted alot of pics of my ride, and yes i could tell a big change my rear tires will actually squel more now when im taken corners at faster speeds and i cant really tell all that much body roll, go on ebay i front and rear combo's for like 32 bucks after shipping