Crraigan Posted August 19, 2016 Share Posted August 19, 2016 Loking at geeting a new cat back exhaust for my 7.5 zetec S. does anyone know if the mountune ST exhaust will fit onto the Zetec S? my thinking is it should be the same layout but im not sure. has anyone had any experience and has anyone heard one? Quote Link to comment Share on other sites More sharing options...
Crraigan Posted August 19, 2016 Author Share Posted August 19, 2016 http://www.mountune.com/index.php/services/performance-upgrades/fiesta/fiesta-1-0t-2013 pr maybe this one? Quote Link to comment Share on other sites More sharing options...
MarksST Posted August 19, 2016 Share Posted August 19, 2016 People put the ST back box on the ZS, you would need to fit the ST diffuser though. Willy on here has fitted them to his titanium X, have a look in the projects section. 1 Quote Link to comment Share on other sites More sharing options...
Crraigan Posted August 19, 2016 Author Share Posted August 19, 2016 Could a cut out of my diffuser suffice for now? if done properly of course Quote Link to comment Share on other sites More sharing options...
laumk7 Posted August 19, 2016 Share Posted August 19, 2016 I'm pretty sure, not 100% by any means, that your engine is a 3 cylinder and the mountune is a 4 cylinder exhaust- meaning the manifold won't fit. Very expensive mistake at 500 odd squids for the mountune exhaust, just for a sound it probably won't reproduce on your engine anyway. The stock exhaust on my st growls, the mountune I have booked will increase that growl Quote Link to comment Share on other sites More sharing options...
Willy Posted August 20, 2016 Share Posted August 20, 2016 The mountune one won't fit. I indeed have an ST backbox on my titanium and would say it's well worth doing. 1 Quote Link to comment Share on other sites More sharing options...
Crraigan Posted August 20, 2016 Author Share Posted August 20, 2016 So I should just get the back box? Quote Link to comment Share on other sites More sharing options...
Willy Posted August 20, 2016 Share Posted August 20, 2016 5 hours ago, Crraigan said: So I should just get the back box? Yep, and the ST diffuser ultimately 👍 Quote Link to comment Share on other sites More sharing options...
Crraigan Posted August 21, 2016 Author Share Posted August 21, 2016 On 20/08/2016 at 0:57 PM, Willy said: Yep, and the ST diffuser ultimately 👍 I keep looking online but can't find one. Will mountune sell it with just the back box if I ring up? Quote Link to comment Share on other sites More sharing options...
Willy Posted August 21, 2016 Share Posted August 21, 2016 Mountune won't sell part of the exhaust system. You need to get a backbox from an ST Owners who's taken there's off. It'll look like the top one .... You then need an ST defuser, ether second hand or new from Ford Lower Painted Stone Deflector - 1819019 - £52.00 http://www.fordpartsuk.com/shop/ford_fiesta_rear_bumper__stone_deflector_primed_2013_f_1819019_c_1180.htm Upper Mesh - 1866724 - £63.00 http://www.fordpartsuk.com/shop/ford_fiesta_rear_bumper_honeycombe_style_stone_deflector_f_1866724_c_1180.htm Quote Link to comment Share on other sites More sharing options...
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