From here but you'll have to do a search for them via make an model. Any 1100 will do as they're all the same. Prices should similar at any dealer but freight cost might be higher depending on where you live.
http://www.bluecitymotorcycles.com.au/20 COVER, R. .. 64260-MAJ-G00ZB 1 32.81
21 COVER, L. .. 64261-MT3-000ZB 1 32.81
Plus Postage.
Price OS from David Silver Spares is comparable Australia @ about $30 each.
Been waiting for this moment all week. A reason to say something and hit that milestone of 100 posts. I'm so excited
The parts you want are listed as engine covers, left or right. Just bought one, ordered it through my local bike shop. Cost me $130 from Honda supplies in Melbourne. Way too expensive for what they are, but no alternatives other than pay the price.
I think what you bought was the engine cover insert in the fairing that you remove to add oil or change plugs etc. which has a price of about $105 at the above website.
Mal is after the wing covers.