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+--- Thread: Performance Assecories for Si4 (/Thread-Performance-Assecories-for-Si4)
Performance Assecories for Si4 - DustinDep - 28-07-2013 11:13am
anybody seen any real performance items for the SI4 I'm really just looking to get better gas mileage if I'm honest! i heard its the same engine as the new focus ST is that true? if so anyone tried to use any ST parts?
RE: Performance Assecories for Si4 - bloubul7 - 29-07-2013 08:12am
(28-07-2013 11:13am)DustinDep Wrote: anybody seen any real performance items for the SI4 I'm really just looking to get better gas mileage if I'm honest! i heard its the same engine as the new focus ST is that true? if so anyone tried to use any ST parts?
Yes it is the same motor as the Focus ST250 (EcoBoost). I have a Focus ST250 downpipe and decat at home waiting to be installed. I just need to get the time to take it for fitment
RE: Performance Assecories for Si4 - dynamicgirl - 29-07-2013 08:48am
I bet that'll make quite some difference to your Si4's output and sound too! You must pop up a video with sound clip once fitted, Buddy
. Do you plan to have it remapped to make the most out of your new zorst? In the UK we wouldn't get through an MOT without a cat, but perhaps some exhaust manufacturer will come up with a nice MOT compliant 200 cell sports cat for the Evoque at some point! That would be pretty cool, but alas, I am still repeating to myself over and over, .."MUST NOT MODIFY, MUST NOT MODIFY!!!". 
The only thing I would say when choosing mods designed for the new Focus ST is to remember that the Evoque is 4x4 unlike the Focus, so it may be the case that not all mods will be suitable for our cars. Can't wait to hear what else you have planned for your Si4!
Paula xx
RE: Performance Assecories for Si4 - superfox - 29-07-2013 09:58am
I'm heading down this same road !
Looking at a good tune first by Viezu then physical modifications as I get used to it.
http://www.viezu.com.au/products_services.html
The dump pipe is an easy one after the tune and should allow a few more ponies. Still I would prefer to get a good exhaust shop to make one as factory stuff never pleases me. This way I can assure the right diameter and flow with quality products and a skilled wielder.
RE: Performance Assecories for Si4 - tarasz - 29-07-2013 03:00pm
I have Magnaflow catback system installed on my Si4. Probably nothing to do with gas/mileage though
http://taraszb.users.photofile.ru/photo/taraszb/4226986/xlarge/104148112.jpg
http://taraszb.users.photofile.ru/photo/taraszb/4226986/xlarge/104148110.jpg
http://taraszb.users.photofile.ru/photo/taraszb/4226986/xlarge/104148108.jpg
http://taraszb.users.photofile.ru/photo/taraszb/4226986/xlarge/104148106.jpg
https://www.youtube.com/watch?v=44tna4xHNwQ
RE: Performance Assecories for Si4 - slee18 - 29-07-2013 11:09pm
How much difference from the oem exhaust? Sounds little raspier, but still like its out of breathe
RE: Performance Assecories for Si4 - tarasz - 30-07-2013 09:39am
(29-07-2013 11:09pm)slee18 Wrote: How much difference from the oem exhaust? Sounds little raspier, but still like its out of breatheWho knows?
I don't really care... my intention was to get more deep sound and I've actually got it... Not as perfect, but still much better than stock. Probably need to tune air intake, to get more power from the whole system. The reason of raspier sound I believe is right here: http://taraszb.users.photofile.ru/photo/taraszb/4226986/xlarge/104154954.jpg thinking about cutting this part off completely.
RE: Performance Assecories for Si4 - DustinDep - 30-07-2013 10:18am
Have you noticed a diffrence? and has anyone seen a cold air intake?
RE: Performance Assecories for Si4 - tarasz - 30-07-2013 10:48am
(30-07-2013 10:18am)DustinDep Wrote: Have you noticed a diffrence? and has anyone seen a cold air intake?Well... if there's a difference - it's not that evident, except the sound... As for CAI, I think I'm done with tuning sofar, so I've never looked for one... Though I was thinking about K&N filters... But not yet ready to mess with all that cleaning and oiling stuff