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Is there any benefit to run a larger downpipe than what comes in most of the turbo kits, most of them use the machined out t25 style flange and then a 2.25 pipe, Why dont they use an open flange so the exhaust can exit freely and not have to make the sharp corner in the flange and then go out the pipe, has anyone upgraded there exhaust pipe to something like this or is it a waste of time thanks.
