Yesterday I had installed a homemade CAI. I was playing around in the car driving so on. I noticed that there was a slight tick/knock I examined the car in park no such knock/tick. I raised the rpm's in park still no knock/tick. I began to drive again and still the ticking is there I checked for all lose ends parts I may have dropped everything was searched nothing was found. It only happens when driving under light throttle in between 2.5k and 3.5k rpms other than that the sound is non-existant. Not sure whether its an exhaust leak,lifter collapsed or lifter chattering or a bad bearing no idea. The oil on on is Mobil 1 Full Synthetic 5w-30 and has about 2k on it. Im at a loss here car only has 80k not sure where to look from here any input its greatly appreciated thanks to all.
