4-1 manifold (please help)

  1. Regular Poster Joined: Feb 2008 torquay (devon) Posts: 269 saxo 02 vtr straight through exhaust
    #1
    hey,
    I just got a piper manifold which arrived today and it looks top quality coz its stainless but i must have read the website wrong coz I just noticed its a 4-1 manifold not a 4-2-1,

    its for a 2002 saxo vtr so was wondering wots the difference between the two and which 1 is better. And i read a 4-1 manifold can hit the floor on lowered cars which mine is.

    Also I read somewhere with some manifolds you hav to move your oil filter so does any1 know if this is true and and if so is it a big job.

    thanks
  2. Saxperience Addict Joined: Nov 2006 A farm shed in Aylesbury Posts: 14916 Corolla AE86 Peugeot 205 B18C (in bits)
    #2
    if you ordered a new piper manifold then you shouldn't have to move / adjust the oil filter.

    Personally I wouldn't worry about better / worse than a 4-2-1. Its much better than the standard one so fit it and enjoy
  3. Saxperience Hardcore! Joined: Dec 2005 e-hollywood Posts: 17160 toyata hilux
    #3
    yeah pipers are 4-1. you woudnt notice the diff between them so just fit that one
  4. Established Member Joined: Dec 2007 Harrietsham/Lenham Posts: 1388 106 xsi
    #4
    manifold is a manifold, as was said above u wont notice the difference
  5. Infrequent Poster Joined: Mar 2008 Stafford Posts: 147 Saxo VTR MK2, BMW 318is
    #5
    ive got a 4-2-1 and mine hits the floor on bumps, so it isnt exclusive to the 4-1! lmao just be very careful as it will flatten your manifold very easily so go very slow!
  6. Regular Poster Joined: Feb 2008 torquay (devon) Posts: 269 saxo 02 vtr straight through exhaust
    #6
    cool, that helps alot i wasnt to worried about it been a 4-1 instead of a 4-2-1 but really can do wivout having to adjust the oil filter so if it fits straight on thats a relief.
    it will be decatted aswell coz its a mk2 and already got a straight through after that as rest of system is a stainless wiv no middle silencer so just gonna get a performance cat for mot in july.
    should i notice the difference to performance when i fit it at the end of the week coz looking forward to it lmao.
  7. Infrequent Poster Joined: Mar 2008 Stafford Posts: 147 Saxo VTR MK2, BMW 318is
    #7
    you will notice the difference, and the sound all adds to the excitment
  8. Saxperience Post Whore Joined: Jun 2007 Darlington Posts: 8766 Icelandic Grey Citroen Saxo VTS
    #8
    you will see a gain in performance i would have thought

    with other breathing mods...will sound amazing aswell
  9. Regular Poster Joined: Feb 2008 torquay (devon) Posts: 269 saxo 02 vtr straight through exhaust
    #9
    well already got a enclosed green induction kit and as i said above a straight through system, will be getting a remap straight away after manifold.

    still not totally convinced on the oil filter subject as read where a few other people have asked the same question and different people keep sayin different things so does any1 know if i would have to move oil filter on a mk2 coz my mate has a mk1 and i took a look 2nite and filters r in different places

    thanks
  10. Saxperience Post Whore Joined: Jun 2007 Darlington Posts: 8766 Icelandic Grey Citroen Saxo VTS
    #10
    Quote:
    Originally Posted by phillyc View Post
    well already got a enclosed green induction kit and as i said above a straight through system, will be getting a remap straight away after manifold.

    still not totally convinced on the oil filter subject as read where a few other people have asked the same question and different people keep sayin different things so does any1 know if i would have to move oil filter on a mk2 coz my mate has a mk1 and i took a look 2nite and filters r in different places

    thanks
    i think your ok with a mk2...dont hold that against me though! lol

    get a cam fitted to the VTR then a remap....
  11. L-plater Joined: Mar 2008 Posts: 93
    #11
    iv heard 4-2-1 manifold are the best for the vtr's
  12. Saxperience Post Whore Joined: Jun 2007 Darlington Posts: 8766 Icelandic Grey Citroen Saxo VTS
    #12
    Quote:
    Originally Posted by danzle-boi View Post
    iv heard 4-2-1 manifold are the best for the vtr's
    where did you hear that? dont go putting doubt in the poor lads mind! lol

    a 4-1 is fine....4-2-1 is better....

    ive always assumed a 4-1 is a manifold that should be used on 'charged' cars...and a 4-2-1 on a N/A car...
  13. Regular Poster Joined: Feb 2008 torquay (devon) Posts: 269 saxo 02 vtr straight through exhaust
    #13
    I hav done some technical measuring wiv a tape measure lmao and it seems i wont hav to move my oil filter.
    but i noticed my new manifold only has 1 hole 4 a sensor which i assume is 4 the 1 on the down pipe as its near the bottom but my standard manifold has two sensors (1 on top going through a hold in the heat sheild), i fink the top sensor is just for the fan but wot wud i do wiv this sensor.