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what size exhaust for ST185

WRX_eater

By WRX_eater
in Celica Club

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WRX_eater

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Hi Guys,

I currently have an ST185 and im getting a full exhaust from the turbo. I have the HKS 3" cat back exhaust, i however am getting an exhaust shop to make up a down pipe and front pipe (with high flow cat). Does anyone have any recommendations as to the size the pipes should be? should i keep the whole system 3" or should i get something along the lines of a 2.5" any ideas or recommendations would be greatly appreciated
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Posted
Posted

Hi Guys,

I currently have an ST185 and im getting a full exhaust from the turbo. I have the HKS 3" cat back exhaust, i however am getting an exhaust shop to make up a down pipe and front pipe (with high flow cat). Does anyone have any recommendations as to the size the pipes should be? should i keep the whole system 3" or should i get something along the lines of a 2.5" any ideas or recommendations would be greatly appreciated

Just run 3in the whole way.

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