Which centre section?

  1. #1
    Not sure what centre section to get. I want one that will get rid of my mid silencer, and will replace the satndard pipe in between the manifold and backbox.

    Its for a Mk2 VTR, with a standard manifold with the cat in it, and a piper backbox.

    i was thinking of the supersprint race tube, but i want to keep the deep noise my piper backbox gives.
    what other brands make good centre sections without mid silencers in?

    also with the cat still on how much noisier will getting rid of the silencer make it?
  2. #2
    interested too, as im fitting my race system at the weekend with a standard mani
  3. #3
    i had my stainless fitted and i said about the mid silencer taken out and he said the put it back on in stainless ? why
  4. #4
    iv got piper 3" and supersprint race tube on mine its pretty loud and still nice and deep man.

    ill get a vid when my new arrives if you want?
  5. #5
    Quote:
    Originally Posted by Saxotim View Post
    iv got piper 3" and supersprint race tube on mine its pretty loud and still nice and deep man.

    ill get a vid when my new arrives if you want?
    same as me
    mines rather loud
    but i have a piper 4-1 manifold too

    mines the dark blue car (2nd one being chased by thr tomcat lol)
  6. #6
    is there a stainless version of the super sprint centre pipe at all?
  7. #7
    Quote:
    Originally Posted by gouldy87 View Post
    is there a stainless version of the super sprint centre pipe at all?
    not that ive seen
    there are some stainless straighthroughs but they tend to be mutli piece systems
  8. #8
    i cant be arsed with that then. i might just get the box cut out of mine
  9. #9
    Quote:
    Originally Posted by Saxotim View Post
    iv got piper 3" and supersprint race tube on mine its pretty loud and still nice and deep man.

    ill get a vid when my new arrives if you want?
    yeah that would be wicked mate.

    mine would be the same as yours then, standard manifold, supersprint race tube, and 3" piper backbox.

    get a video up asap mate.
    just like an idling one from the side of the car. wanna hear what its like from around the car not just at the back by the backbox thanks
  10. #10
    Quote:
    Originally Posted by gouldy87 View Post
    i cant be arsed with that then. i might just get the box cut out of mine
    the main reason the supersprint is good is it manufactuered very well
    has no crushing in the bends and has a pretty gppd coating on to protect from rust
    ive had mine wrapped for over a year and its still fine
  11. #11
    i had a super sprint on mine. it sounded very strange with a jan speed mani. like a tormented wasp lol. so i binned it off but i have a different manifold now so it should sound good
  12. #12
    Anyone got anymore sound clips / Video of these?
  13. #13
    I will try and get a vid up at some point. I have got standard mani, supersprint centre and piper backbox.
    1 user thanked this post:
  14. #14
    that would be good lozza if you could
  15. #15
    got my new cam today nick i can get you a vid after my dinner.
  16. #16
    wicked mate. can you just get a general one of what it sounds like when idling from all angles of the car. just walk around the car with it idling maybe leave the cam on a tripod and film you driving off so i can hear what it sounds like. not necesarily ragging it, just gently drive off
    thanks
  17. #17
    the supersprint is aluminised steel which will not rust like cheap steel systems.
    They are also painted to offer another protective layer against the elements.

    Cared for they will outlast your interest in the car
  18. #18
    I have a centre section from a mk2 1.1 or 1.4 saxo. Cost me £27.99 brand new but you can get them for under £20 at eurocar parts

    Its bassically just a straight through pipe from the moanifold/ downpipe to the backbox.

    I had it with my supersprint backbox for a while and it was louder than standard and not raspy atall. Got a decat now though so lots of rasp.
  19. #19
    im also interested in this. Getting my supersprint race centre fitted on thursday to my magnex backbox.
  20. #20
    just uploading the vids now
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  21. #21
    Quote:
    Originally Posted by andymiller_VTR View Post
    im also interested in this. Getting my supersprint race centre fitted on thursday to my magnex backbox.
    mine sounded like an angry wasp on my vts with the same set up
  22. #22
    Quote:
    Originally Posted by Saxotim View Post
    just uploading the vids now
    im excited lol
  23. #23
    mines got a standard manifold on a mk1 vtr silvertop engine, with a decat and a custom made stinaless steal exhaust center section and a janspeed back box, but im unhappy with it as it ratles inside the box dunno if it ment to do this but it dont sound to good need to get it sorted what do poepl think it is that is casueing it ?

  24. #24
    put one up of you giving it some beans lol
  25. #25
    lol i will tkae one tommoro, it seems to be ratling inside the back box rite at the back

    Especialy when i put my foot down then after a couple of seconds it goes away
  26. #26
    whats your set up again mate stand mani supersprint race tube and piper backbox ?
  27. #27
    VIDS:
    standard mani with cat, supersprint race pipe, piper 3" backbox

    outside vid


    inside vid



    EDIT: ignore the splashes, its pretty wet outside
    1 user thanked this post:
  28. #28
    sounds good cant wait till thursday now

    i like the idle thing you have going on. mine used to do that. gets annoying
  29. #29
    cheers for them mate. its really hard to tell what it sounds like from videos. hmm i may wait till French car show and try listen to someones car with a supersprint centre section in person. thanks again for going to the effort of doing the vids. need to think about whether to get a centre section or not
  30. #30
    Quote:
    Originally Posted by NICK2506 View Post
    cheers for them mate. its really hard to tell what it sounds like from videos. hmm i may wait till French car show and try listen to someones car with a supersprint centre section in person. thanks again for going to the effort of doing the vids. need to think about whether to get a centre section or not
    ill post of video on this on thursday of mine when i get it done so you can compare the videos if that helps ?
  31. #31
    Mine with a Citroen straight through. Cost £14 on trade but people are saying they cost like £50 now. Very raspy espec. when hot. This is with a std mani though with a 1.4 lump. Should have vids of it with a 16v lump and a heatwrapped 4-1 by the end of the week



  32. #32
    Quote:
    Originally Posted by Ben_Saxo View Post
    Mine with a Citroen straight through. Cost £14 on trade but people are saying they cost like £50 now. Very raspy espec. when hot. This is with a std mani though with a 1.4 lump. Should have vids of it with a 16v lump and a heatwrapped 4-1 by the end of the week



    what make of backbox?
    so is it manifold with cat, then citroen centre pipe with no silencer, then backbox?
  33. #33
    Sportex. Very good backbox, just have a chavvy name and image as theyre sold on ebay. Was a catless mani mate. And yeah the centre is just a straight through pipe
  34. #34
    aah right. so its decatted and just a straight through to the backbox. sounds good
  35. #35
    my sportex is deep not raspy, not sure how much of that is the bckbox though. its also cheapish and seemed pretty good quality for the price too, better than the standard item
  36. #36
    Quote:
    Originally Posted by LeeM View Post
    my sportex is deep not raspy, not sure how much of that is the bckbox though. its also cheapish and seemed pretty good quality for the price too, better than the standard item
    do you mean a sportex centre section?

    what backbox do you have?
  37. #37
    is the silencer less centre pipe from citroen 2 inch nominal bore?
  38. #38
    Quote:
    Originally Posted by gouldy87 View Post
    is the silencer less centre pipe from citroen 2 inch nominal bore?
    not quite its arund 1 3/4-1 7/8 ish iirc

    plud the bends are normally a bit crushed and generally badly made
  39. #39
    Quote:
    Originally Posted by AlexB View Post
    not quite its arund 1 3/4-1 7/8 ish iirc

    plud the bends are normally a bit crushed and generally badly made
    bin that one off then.

    alex you seem to know your stuff. if i remove the centre section of baffles from my magnex will i notice any performance decrease?

    i ask because apparantly baffles effect back pressure which effects torque?

    i want the centre silencer removing from my car as it whacks on the floor all the time but i dont want it out if it bogs the car down etc.
  40. #40
    I think the silencer restricts gas flow therefore decreasing performance... I THINK
  41. #41
    the baffles will be restrictin a bit but tbh there minimal

    the centre box will slow the gas flow not nessecerily effect pressures i think
    its about how fast the gasses flow from what i understand
    the pressure will effect it but it varies from car to car

    tbh a lot of exhaust modifiation is hit and miss
    i did a bit of research before i got my stuff and tbh i dont think im far wrong for my motor

    its down to the particular car and what you feel is best
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  42. #42
    I also thinks its better to use complete system rather than mix and match brands... but thats just my opinion.
  43. #43
    Quote:
    Originally Posted by Maxamus View Post
    I also thinks its better to use complete system rather than mix and match brands... but thats just my opinion.
    ive got a mix and match
    as long as the parts compliment each other its not really a bad idea
  44. #44
    Quote:
    Originally Posted by AlexB View Post
    the baffles will be restrictin a bit but tbh there minimal

    the centre box will slow the gas flow not nessecerily effect pressures i think
    its about how fast the gasses flow from what i understand
    the pressure will effect it but it varies from car to car

    tbh a lot of exhaust modifiation is hit and miss
    i did a bit of research before i got my stuff and tbh i dont think im far wrong for my motor

    its down to the particular car and what you feel is best
    it seemed to feel like it bogged down the last time i took the centre section out. but now the centre pipe is smashed to bits from speed bumps etc so its probs slowing it down tbh
  45. #45
    Quote:
    Originally Posted by gouldy87 View Post
    it seemed to feel like it bogged down the last time i took the centre section out. but now the centre pipe is smashed to bits from speed bumps etc so its probs slowing it down tbh
    tbh id be tempted to try a straight through on there
    the standard citroen being a tad smaller may be a good thing as it will give a faster flow rate die to being smaller that little bit from what i understand
    only issue is the bends arent the best
    but personally i like the supersprint centre im running
    i not saying its the best you can get but it certainly does the job very well
  46. #46
    Quote:
    Originally Posted by AlexB View Post
    not quite its arund 1 3/4-1 7/8 ish iirc

    plud the bends are normally a bit crushed and generally badly made
    Yeah im replacing it with a stainless one soon
  47. #47
    Quote:
    Originally Posted by AlexB View Post
    tbh id be tempted to try a straight through on there
    the standard citroen being a tad smaller may be a good thing as it will give a faster flow rate die to being smaller that little bit from what i understand
    only issue is the bends arent the best
    but personally i like the supersprint centre im running
    i not saying its the best you can get but it certainly does the job very well
    thats what i had before and im considering doing it again tbh. im getting sick of scraping on speed bumps

    thanks alex
  48. #48
    Quote:
    Originally Posted by gouldy87 View Post
    thats what i had before and im considering doing it again tbh. im getting sick of scraping on speed bumps

    thanks alex
    if it felt like it was bogging it may be down to the backbox if a straight though feels worse
  49. #49
    Quote:
    Originally Posted by AlexB View Post
    if it felt like it was bogging it may be down to the backbox if a straight though feels worse
    its a magnex back box thats 10 month old. its the centre baffle section that scrapes on the floor. i think its seen better days tbh
  50. #50
    Quote:
    Originally Posted by gouldy87 View Post
    its a magnex back box thats 10 month old. its the centre baffle section that scrapes on the floor. i think its seen better days tbh
    magnex is quite a large box and iirc has an offset entry to the feed so will cause a restriction as the gas isnt flowing straight
  51. #51
    Quote:
    Originally Posted by AlexB View Post
    magnex is quite a large box and iirc has an offset entry to the feed so will cause a restriction as the gas isnt flowing straight
    hmm interesting. the first bad thing ive heard about magnex. what back box would be an inprovement on this do you reckon?
  52. #52
    Quote:
    Originally Posted by gouldy87 View Post
    hmm interesting. the first bad thing ive heard about magnex. what back box would be an inprovement on this do you reckon?
    ive seen quite a few bad thngs said about magnex
    look for something along the same design as a piper or supersprint where the box goes along the line of the exhaust
  53. #53
    Quote:
    Originally Posted by AlexB View Post
    ive seen quite a few bad thngs said about magnex
    look for something along the same design as a piper or supersprint where the box goes along the line of the exhaust
    another question for you sorry, where can i get a piper 3.5 inch back box from? ive looked on kam but they dont sell them as far as im aware?
  54. #54
    i wouldnt go to a 3.5
    i run a 3" and i feel its a tad large for the job

    its also rather fucking loud
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  55. #55
    3 inch piper like the one off kam then? i think ze magnex will be going shortly then
  56. #56
    many people bang on about back pressures etc... yet ignore pulse tuning
  57. #57
    Quote:
    Originally Posted by gouldy87 View Post
    3 inch piper like the one off kam then? i think ze magnex will be going shortly then
    yea ive got the outward rolled mild steel one
    the roll doesnt effect much tbh but i think it looks cool lol

    im tempted to go down in size though maybe try to find a 2.5"
  58. #58
    Quote:
    Originally Posted by Ryan View Post
    many people bang on about back pressures etc... yet ignore pulse tuning
    pulse tuning, is that to do with back pressure and it being produced in waves of some sort?
  59. #59
    pulse tuning is the waves the air moves in
    tbh i dont fully understand that one so ill let ryan explain lol

    ive read a few tings posted by mr sayer on the subject
  60. #60
    Quote:
    Originally Posted by AlexB View Post
    pulse tuning is the waves the air moves in
    tbh i dont fully understand that one so ill let ryan explain lol

    ive read a few tings posted by mr sayer on the subject
    i read it was to do with the exhaust gasses being produced in waves but im not 100% on it tbh
  61. #61
    Quote:
    Originally Posted by gouldy87 View Post
    pulse tuning, is that to do with back pressure and it being produced in waves of some sort?
    have a wee read http://www.sideways-technologies.co....?m-1201221799/
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  62. #62
    that was a good read actually. after reading that im going to make a guess that my magnex cat back is too restrictive due to there being so many baffles and to do with thw negative pressure being in the exhaust at the wrong time?
  63. #63
    Quote:
    Originally Posted by NICK2506 View Post
    cheers for them mate. its really hard to tell what it sounds like from videos. hmm i may wait till French car show and try listen to someones car with a supersprint centre section in person. thanks again for going to the effort of doing the vids. need to think about whether to get a centre section or not
    ive got a super sprint race pipe and piper 3" back box with standard mani (cat) and i cant fault it tbf!!! think it sounds reli gd nice deep tone!! ill be at french car show if you want to have a listen see what you think
  64. #64
    does anyone know a website where i can get a centre pipe with no silencer cheap?
  65. #65
    Kam racing dude
  66. #66
    Quote:
    Originally Posted by gouldy87 View Post
    3 inch piper like the one off kam then? i think ze magnex will be going shortly then
    i have a piper 3" backbox. sounds wicked and they look good aswell. i got mine from speedbox.co.uk
    They were much cheaper than any where else on the internet

    Quote:
    Originally Posted by Dale_H_vtr View Post
    ive got a super sprint race pipe and piper 3" back box with standard mani (cat) and i cant fault it tbf!!! think it sounds reli gd nice deep tone!! ill be at french car show if you want to have a listen see what you think
    yeah hopefully i'll be there as well. but ive seen a supersprint centre section up for sale and its not far from me. may just buy it. if it sounds crap i can sell it on.
  67. #67
    hi people i took another video of mine am sure it sounds wrong lol it ratles like hell when i rev it and it is comeing form inside the back box.

    i have a mk1 vtr silvertop engine, standard manifold-decat-strait throuhg custom made stianless steal center section-janspeed back box

  68. #68
    Quote:
    Originally Posted by NICK2506 View Post
    i have a piper 3" backbox. sounds wicked and they look good aswell. i got mine from speedbox.co.uk
    They were much cheaper than any where else on the internet



    yeah hopefully i'll be there as well. but ive seen a supersprint centre section up for sale and its not far from me. may just buy it. if it sounds crap i can sell it on.

    i would mate im more that happy with mine just gota get a mini now