Sifusss, for Myvi Gen3 1.5 auto, what set up is suitable for pick up while can cruising highway at around 120-140
Basic Intake and Exhaust Modification Guide, for normal aspirated cars v1.0
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 Aug 10 2021, 06:41 PM
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#1
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108 posts Joined: Sep 2020 
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Nov 4 2021, 02:29 PM
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#2
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108 posts Joined: Sep 2020
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Hi all Sifu,
my Myvi Gen3 1.5cc currently change exhaust system. 4-1 Extrator + center muffler +Sflow muffler but feel like lack of pickup , how to improve it ? |
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Nov 5 2021, 10:21 AM
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#3
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108 posts Joined: Sep 2020
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QUOTE(ktek @ Nov 4 2021, 10:01 PM) told u buy tc u went for exzos pula. long or short extractor and why two muffler already install TC , maybe i should tune TC more aggressive ? btw , is center box , many call it as bullet ? i also don't know |
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Nov 5 2021, 10:22 AM
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#4
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108 posts Joined: Sep 2020
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QUOTE(ayamxxx @ Nov 4 2021, 10:55 PM) Tuning after upgrade air intake i use KNN drop it |
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Nov 5 2021, 10:52 AM
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#5
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108 posts Joined: Sep 2020
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my travel route mostly highway ,so foremen recommend 4-1 for me ,
what is different between 4-1 and 4-2-1 ? |
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Nov 5 2021, 10:54 AM
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#6
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108 posts Joined: Sep 2020
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QUOTE(ktek @ Nov 5 2021, 10:46 AM) long 4-1 or short 4-1. u need to play afr also OMG , fake KNN ? enjin use 3 main ingredient to produce power. air (oxygen) +fuel +spark = fire. tc open throttle increase air, KNN filter is fake K&N ? also increase air. u still lack of fuel n fire. how to settles this two  i think i should set my TC , now race mode 3 |
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Nov 5 2021, 11:18 AM
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#7
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108 posts Joined: Sep 2020
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QUOTE(ktek @ Nov 5 2021, 11:07 AM) i dunno man. original is K&N not KNN <<<< sure fake filter ady Sorry my fault , is brand K&N ...hahahanot sure what u r setting tc mode will improve fuel or spark meh? just air no fuel no spark where got power one |
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Nov 5 2021, 02:56 PM
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#8
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108 posts Joined: Sep 2020
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QUOTE(ayamxxx @ Nov 5 2021, 11:34 AM) tuning then if after exhaust and intake mod meaning go remap ? |
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Nov 8 2021, 11:19 AM
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#9
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108 posts Joined: Sep 2020
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QUOTE(SupermanLick @ Nov 6 2021, 11:14 PM) Recently I replaced the flexible exhaust pipe to straight pipe Hi Sifu, what is flexible exhaust pipe?The flexible pipe making blinking sound like engine . Almost completely straight pipe ,the small muffler still stick on the end |
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Nov 9 2021, 04:11 AM
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#10
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QUOTE(low yat 82 @ Nov 5 2021, 09:10 PM) Find powerzone 421. Thanks me later so far as i know 4-2-1 is for low torque, mean below 4000rpm will get good pick up but cant top speed 160h/km? |
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Nov 10 2021, 12:24 AM
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#11
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108 posts Joined: Sep 2020
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I go survey at another exhaust shop ,foremen give me another solution for pick up.
Still stick to 4-1 extractor , but add 1 bullet at center ,he say can gain a bit pick up and also silence the noise ,but top speed will decrease a bit. is this true ? |
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