Nut_Cake Posted February 22, 2017 Share Posted February 22, 2017 So i have a full Fiesta ST exhaust system off a 66 plate laying around. I was going to put the back box onto my 1T ecoboost 66 plate. As it would look alot better.. but my question is would the st cat fit. But I'm presuming the st cat would be a bigger bore from turbo? Thanks Quote Link to comment Share on other sites More sharing options...
666Damian666 Posted February 22, 2017 Share Posted February 22, 2017 PM the user Willy on here as he has all the answers on swapping over to a ST exhaust Quote Link to comment Share on other sites More sharing options...
Nut_Cake Posted February 22, 2017 Author Share Posted February 22, 2017 59 minutes ago, 666Damian666 said: PM the user Willy on here as he has all the answers on swapping over to a ST exhaust Thank you :) Quote Link to comment Share on other sites More sharing options...
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