Right now i have the regular spolier not the high rise z28 one. Now is this going to be hard to convert, going from the low one to the z28 high rise? 90 rs if that helps

 

its besicly just a bolt on

 

Certainly is, if you don't mind all the remaining holes left from taking off the original 3 piece off.
The 3 piece, when removed, needs to have the holes filled in the decklid and the ¼ panels as well. There's a few ways to do it but, welding is the better of them. The highrise bolts to the outer edges of the decklid and on the center post (of the wing to the decklid). New holes will have to be drilled and old filled. This is not a simple bolt on and call it a day install (unless you go for the dual spoiler look... )
Even if you had the (I [think it was 88 only) low rise, the 91-2 high rise still doesn't share the same holes exactly.

 

I did the conversion on my 90 rs and used a 92 hatch so i still had the third brake light

 

another you can kind of see the holes down the side plus there r alot more on the hatch

 

i was/am thinking about putting one of those on my 91 bird

 

It looks pretty good from the side but our rears are a little wider than the camaro's,

 

there is a yellow gta with one around where i live i still think it looks good i have a pic of it somewhere

 

here it is

 

How would you go about taking off the 3 pieces?

 

you have to take out the interior trim panels on the inside

 

Its bolted on , gut the trunk area remove the taillights and the plugs in the deck and its off. Filling the holes will almost double the price a body shop will charge to do the job unless you know em good.

 

Don't forget also, taking out the tail lamps to access the topside corner nuts.

 

since we're on the topic of spoilers..has anyone got that 5inch spoiler that hawk sells? show me pics!