roboboyo Posted September 2, 2014 Share Posted September 2, 2014 hi guys i own an st170 mods are 67mm throttle body 180 degree thermostat 10 mm ht leads ebiak suspension engine dog bone stabiliser mount gear stick extension clutch masters fx250 clutch clutch masters aluminium fly wheel aem cold air intake motorcraft copper plugs, aem wideband air fuel ratio sct custom tune shell v power gas Im getting some more tuning done, and my tuner said that i would benefit from a high flow sports cat, and bigger flex pipe and a lager 2.5 cat back exhaust, but im really stuck on witch exhaust to choose, i do alot of early morning driving, so i want it as quiet as possible, also, im 29 and ive gone past the stage of wanting race car noise can anyone recommend an exhaust system that goes well on the st170 i like borla, but its pricy, and only available in the states any help appreciated rob Link to comment Share on other sites More sharing options...
scottybo Posted September 4, 2014 Share Posted September 4, 2014 Mongoose systems are always quiet. They look great and are really good quality Link to comment Share on other sites More sharing options...
JC Posted September 4, 2014 Share Posted September 4, 2014 magnex system with De cat, http://www.escortevolution.co.uk/forums/topic/136279-my-st170/page-3?hl=st170 Link to comment Share on other sites More sharing options...
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