my cats where one of the first things to go on the car, the car was slow an i assumed that they where blocked (proberbly due to our crap fuel quality)so i removed them.only issue is droning noise at constant speed and when its a cold start i get ppl asking me if the exhaust has a hole in it.so i need to replace the cat box with a straigh pipe.in RSA we dont have to have cats in
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