A

Here is a list of Aftermarket performance Parts and there co-responding part Numbers for the XT6

there is also a small company making a few perfomance parts for Subarus, including the XT6 go check it out!   http://members.xoom.com/SUBSPEED/

SparkPlugs - > Bosch Platinum  Part # 18-3703-0

K&N Air Filter -> Part # 33-2010

Bosch Micro Edge Excel Wipers Part # unknown

So far this is the only aftermarket company that i have found that sells aftermarket body parts for Xt's and Xt6's