James Hawes Posted February 17, 2020 Share Posted February 17, 2020 Hi!, I have recently added an ST diffuser/apron to my 2016 TDCI Fiesta. I am now trying to address the exhaust end. The standard exhaust back box has to outlet bent over to point down and to the side. I cant fit a decorative end to this! I want to change the backbox only (not the Cat) could I use a standard petrol backbox on a diesel engine? If I can there are loads of types I could fit, may or may not require an adapter/taper coupling, but that's ok. I'm struggling to find a backbox only that has a straight outlet for the exhaust tip. Maybe if a petrol backbox is fine- I could just use a standard petrol ST one?? Quote Link to comment Share on other sites More sharing options...
Jonro2009 Posted February 17, 2020 Share Posted February 17, 2020 Cut the existing tip at the point it bends away and then fit a 'decorative' tip on then. Much cheaperSent from my SM-G965F using Tapatalk Quote Link to comment Share on other sites More sharing options...
James Hawes Posted February 17, 2020 Author Share Posted February 17, 2020 4 minutes ago, Jonro2009 said: Cut the existing tip at the point it bends away and then fit a 'decorative' tip on then. Much cheaper Sent from my SM-G965F using Tapatalk Hi, Thanks for this- I've thought of that but to be fair the current back box wont last another year so thought I'd do it properly. The decorative end I've got is a side-by-side double- if you look on my pic- the area where the current outlet attaches is of to the left side. 1 Quote Link to comment Share on other sites More sharing options...
m50e30 Posted February 17, 2020 Share Posted February 17, 2020 Why not buy a standard st back box from a motor factors. It'll fill that hole lovely Quote Link to comment Share on other sites More sharing options...
Stoney871 Posted February 17, 2020 Share Posted February 17, 2020 Diesel exhaust tips are pointed down for a reason, it reduces soot and fume dispersal into the atmosphere.Sent from my SM-G965F using Tapatalk Quote Link to comment Share on other sites More sharing options...
TomsFocus Posted February 17, 2020 Share Posted February 17, 2020 Cut off the downsweep and just glue your double exit into the bumper, no-one will even know. Also, how rubbish are the standard exhausts now if your backbox won't last into it's 5th year? On a serious note though, have you tried a custom exhaust shop? They'll be able to fit & adjust a backbox and tip perfectly in the bumper cut out...can also add a little more noise if that's of interest. Worth getting a quote I reckon. Quote Link to comment Share on other sites More sharing options...
Stoney871 Posted February 17, 2020 Share Posted February 17, 2020 You can buy cosmetic tips that have the cut out underneath for diesels and a false end for cosmetics.Sent from my SM-G965F using Tapatalk Quote Link to comment Share on other sites More sharing options...
James Hawes Posted February 17, 2020 Author Share Posted February 17, 2020 Brilliant! I'm just struggling to find anything like that Quote Link to comment Share on other sites More sharing options...
TomsFocus Posted February 17, 2020 Share Posted February 17, 2020 20 minutes ago, Stoney871 said: Diesel exhaust tips are pointed down for a reason, it reduces soot and fume dispersal into the atmosphere. Sent from my SM-G965F using Tapatalk I don't think this is the case any more? VAG stopped fitting downturned tips when they started fitting DPFs. It's a very easy way to tell if a VAG car is DPF equipped or not. I'm sure Ford still fit straight tips on sporty diesels/Vignales as well, it's only the lower spec models that have a downturned tip because of the basic bumper. Quote Link to comment Share on other sites More sharing options...
Stoney871 Posted February 17, 2020 Share Posted February 17, 2020 This sort of thing-https://www.ebay.co.uk/itm/123943092849Sent from my SM-G965F using Tapatalk 1 Quote Link to comment Share on other sites More sharing options...
James Hawes Posted February 17, 2020 Author Share Posted February 17, 2020 Maybe you are correct- I found this on Ebay- wonder if it would be suitable for use on a 2016 model... Quote Link to comment Share on other sites More sharing options...
James Hawes Posted February 17, 2020 Author Share Posted February 17, 2020 Problem with decorative tips is that the outlet on the backbox doesnt just bend down- it also bends to the side....see below Quote Link to comment Share on other sites More sharing options...
TomsFocus Posted February 17, 2020 Share Posted February 17, 2020 2 minutes ago, James Hawes said: Maybe you are correct- I found this on Ebay- wonder if it would be suitable for use on a 2016 model... That's for the Mk8 Fiesta, I doubt the hangars and bumper cut-out would be in the same places on a Mk7 but don't know for sure. Quote Link to comment Share on other sites More sharing options...
James Hawes Posted February 17, 2020 Author Share Posted February 17, 2020 They appear to be in the same place but who knows! I'm starting to think I should just get a backbox of a petrol ST MK7.5 Quote Link to comment Share on other sites More sharing options...
James Hawes Posted February 17, 2020 Author Share Posted February 17, 2020 They appear to be in the same place but who knows! I'm starting to think I should just get a backbox of a petrol ST MK7.5 Can anyone recommend a reasonable priced exhaust manufacturer then? Quote Link to comment Share on other sites More sharing options...
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