Hello..im newbie with this model..but just asking...what a standard oem exhaust piping for this corolla..my engine is 4AFE with auto transmission..asking this question coz..buy seg from my friend..but the fuel very laju this engine minum..RM20 just for only not more than 30km..when im checking the exhaust system..get know the piping is not original..look to big for me...1.8"..its original size for this engine(4afe auto)???but the xtractor+centre bullet+muffler still oem product..i very2 hope all toyota's sifu in this forum will help n solve this prob..mati woo,pagi isi minyak rm30,malam sudah habis..my office just 10km far from my house:stupid: