I am planning to install a cold air intake on my 2009 Toyota Camry SE. What brand should I go for? Any suggestions?

 

My opinion is every brand will have just about the same performance. This leaves it to design as in being a direct fit in replacing the factory air intake system, materials such as plastic or metal and what look you want.

K&N, Injen, Takeda, DC Sports.

Check at the intake products at the link below.

2009 Toyota Camry Performance Air Intake Kits ? CARiD.com

K&N would be the most popular and is most likely what I would get as it appears to be a direct fit replacement for the stock system.