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Hi guys i have completed a custom turbo setup on my 2002 e46 turbo! Now what size exhaust would be best cause at the moment the stock system is struggling preety badly and want to change it as soon as possible would 3 inch be to big?
 

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thats what im running on mine. i believe my friend is running a 3 inch all the way back on his too but im not completely sure. what turbo are you running?
 
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