New hammer what will it run?

My collector is very close to the factory cross member but I don't have flanges either.
So update,
Made the trip to mir today for t&t.I am happy with the results on the headers.This is me with the horrible light.
Put son in the truck next round and he goes 022 light.Dam kids.
Anyhow it pick up .21 in the quarter and almost one tenth in the 1/8" from previous best with th

20230305_113705.jpge same air.