hey guys I got the p0442 error code last night(P0442 Evaporative Emission Control System Leak Detected (small leak)), and im wondering if my test pipes that i installed a few day ago would throw this code? ive checked the EVAP line up by the intake manifold and everything is tight. any thoughts? its a 03 track

 

Exhaust has nothing to do with the Evap system.

 

I also had the same code and it was just a loose gas cap, it's a pretty common problem, try to open the gas cap and tighten it all the way past 3 clicks and reset the code and see if it comes back on.