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guys I am building a turbo set up for my Tahoe and I have a Chinese GT45 but not sure what size downpipe to run 3, 3.5, or 4inch all three will fit the vband. Any suggestions would be appreciated!
Performance wise, it's not going to make any difference fender dumping that turbo. But It's a 4" v-band outlet so might as well just do a 4" fender dump and call it a day. But you better have a big WG or 2 with that setup or it's not going to control boost very well.
04-23-2018, 06:07 PM
Chinese GT45 Downpipe size
