Can somebody please help me find performance mods for my SRX, just cause I had to buy a crossover to make the wife happy why should I suffer. I would appreciate anyone who knows somebody or some website that does stuff for my car. THANKS

Wow, I bet you are a very rare breed of Cadillac enthusiast. I honestly think other than the K&N air filter or going for a custom Turbo/Blower setup you will find extremely limited options.