Does the M7 have the 162 attack 20? The attack 20 is the best thing going in the super deep loose powder. I can't see an M7 cleaning up on an XP unless it was this type of situation or unless the cat has alot of killer mods.
Steelhead Slayer
After clutching (not the popular clutch kit on the market)and gearing on the XP they run pretty close but the M7 does still have the edge. You guy's must not have been around a good running M7 yet. This one has SLP twins and my clutch kit on it.
We have run this M7 with 5 different XP's so far. One is stock, one has a can on it, one has a can and gearing on it and 2 have gearing, a can and the popular clutch kit on them. The only XP that runs with it has an HRP can, gearing and my clutching. Yes, they all have better than 300 mi. on them.