Look into the B-Stinger stabilizers. I just purchasedan 8.5"Sport Huntermodelfor my new Mathews SBXT and it's affect on my groups is outstanding.

Remember, just like MOMightyMite said- understand that there is a vast difference between a vibration dampener & a stabilizer. I have a Sims S-Coil on my Outback & I put it on my Switchback just to see the difference. There is no comparison between the Sims S-Coil & the B-Stinger imho. Check out the B-Stinger, here's a picture:



Here's a link to their website:
http://stores.b-stinger.com/StoreFront.bok

Good Luck,

Rob