Friends i have civic reborn 2007 model, when i purchased this car so didnt check the cataylic converter, and i was confused abt the sound but when i check my car to mechanic so he told me tht their cataylic converter jali has broken, thts why when i start my car first time so its sounds Loud, and its not giving me good fuel average. Kindly suggest me what should i do bcuz my car is giving me 8 km without ac and 6.5 on ac, its damn expensive, plz help me should i change my cataylic converter ?