Dear Dissentt,
Yes, you can. You can add a 360 radiator to the bottom or side of the case.
And you can switch to a more powerful pump too. Here is the link.
BPTA-PHCL
https://www.newegg.com/p/37B-000X-00537?Item=9SIAEMWHE50010
If you have any questions, feel free to contact us.