HELP!!.. im having problems with my Mazda 3.. i recently just installed a exaust.. and now i dont have enough backpreasure.. and my engine light keeps comming on... the dealer told me to put the original muffler back on ( f*ck that ).. lol.. any advice Mazdaneers?
hi there guys.. i have recently instaled a straight muffler on my 04 mazda 3 and now the engine check light comes on .. i took the car to the dealer.. and they told me that the reason the light goes on.. its because i dont have enough backpreasure.. i wonder if by installing a CAI will help me...