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 Basic Intake and Exhaust Modification Guide, for normal aspirated cars v1.0

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lsm1991
post Apr 8 2016, 11:18 AM

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QUOTE(a.h.wan @ Apr 8 2016, 11:00 AM)
ford focus mk3, still stock engine. i saw some aftermarket catback like J2 engineering with quad exhaust but apparently it's not available here. wanna do custom but afraid it will affect performance. i want to order the zetec s bodykit and it will look awkward with a single exit yet i really don't want to resort to ricing by putting dummy exhaust though.
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not like you have 2 banks of cylinders... and heck most
if u dont want a fake piece, and really want to add an additional pipe, might as well cut your losses and split the pipe as far back as possible....

u will gain nothing in performance on a dyno (dont performance will go down if its split very far back) BUT you will be adding dead weight on the car so yeah~~

also imo... that kit does not need twin pipes to look decent
lsm1991
post Apr 22 2016, 01:59 PM

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what car ru driving... why would anyone actually need a 3" pipe on a normal car (am assuming it a normal car)

and yeah the weight... whoa
lsm1991
post Apr 22 2016, 02:43 PM

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QUOTE(RoofTopPrince @ Apr 22 2016, 02:41 PM)
My car is satria, basic is my weekend car with 63t laugh.gif
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ahh 63t.. alright, good to go, please carry on this way rclxms.gif

*edit*
the weight might be an issue.... remember this thing has more mass and momentum, duno if the hangers(mounts) are actually strong enough to hold it up long term.... im also assuming your car has rock hard suspension.....
the strength might also be a problem if its mounted very low..... hit a rock and something has to give, if its not the pipe, the mounts might go, or the flexi pipe (or other parts, worst case headers) might suffer the brunt force

This post has been edited by lsm1991: Apr 22 2016, 02:46 PM
lsm1991
post Apr 22 2016, 02:50 PM

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ohh already bocor @x@
lsm1991
post Apr 22 2016, 03:11 PM

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QUOTE(RoofTopPrince @ Apr 22 2016, 03:05 PM)
Have to fix the flex pipe only power come back.
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hmm.gif should be post turbo.... aiyah.... nvm chop it off, exhaust keluar out the front bumper or up the bonnet! then retune.... good stuff
lsm1991
post Jun 14 2016, 03:58 PM

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QUOTE(unitron @ Jun 14 2016, 03:49 PM)
Can't advice on the engine, since I never used Mitsu.

But extractor to me has negligible impact to noise.
That's the muffler and middle bullet job.
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^this

only case where it makes lots of noise is if it bocor

 

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