Subaru Impreza wrx popping sound
Hi, i own a 2002 wrx, just recently sometimes when i change gear from 1st into 2nd and sometimes 2nd into 3rd it makes a popping sound from the exhaust, it doesnt happen all the time only now and again, it seems to do it when i take my foot off the accelerator to change gear. i recently fitted a cold air induction kit and was wondering if enough air was getting to it and if this would be the problem. any help is much appreciated.
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If the cat is removed, such fuel could burn as it exits the exhaust tip and create that poppping sound.
The car might fail emissions tests, too.