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Thread: Consolidated Exhaust Thread

  1. #1
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    Question Consolidated Exhaust Thread

    HI
    knowledge tester.... im geting an exhaust for my M3 got a dump pipe but with no cats, have to add them. If i remove teh second cat will this send error msg's?.... Anyone out there that have done this without reprograming the ECU?

  2. #2
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    Default

    As long as the O2 sensor reads the first cat and it falls within spec you will be fine, the second cat is unregistered by the ECU.

  3. Default Turbo XS exhaust - some help please

    Hey guys,

    I have an MPS 3 and am ready to upgrade my exhaust

    Im after a system that will increase performance without increasing the sound of the car too much

    So, i sent an inquiry to turboxs (as i have heard from a few MPS owners that they specialise in these types of systems). The reply i received outlined, that they change the downpipe and install a high flow cat, while retaining the factory cat back exhaust system. This is supposed to "noticeably increases performance, while only makeing the car sound only slightly louder/meatier than stock"


    the whole systme plus install will be $1200

    Im just wondering does anyone else have this type of setup?

  4. #4
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    I have the cp-e 3" DP mated up to a slightly modified stock system (stock rear baffle muffler was replaced with a single chamber sports muffler), Cabin noise is very tolerable even with the wife and kids in the car (sound is a bit meatier & slightly louder than stock) and I am told it sounds great externally, performance is also noticeable.
    If its just pure power gains your after, give a chiptorque xede or their new flash a go, these will eclipse the gains from an exhaust, oh and for fear of repeating myself, everyone on these forums knows my thoughts on TXS gear.
    Nearly all men can stand adversity. But if you want to test a man's character - give him power.
    Abraham Lincoln

  5. Default

    thanks for reply matt

    where abouts did you buy the exhuast from and get the install?

  6. #6

    Default

    Quote Originally Posted by MattMPS3 View Post
    As long as the O2 sensor reads the first cat and it falls within spec you will be fine, the second cat is unregistered by the ECU.
    True!

    Just to make it a little clearer:

    You need at least one cat with the O2 sensors either side of this cat to not send a CEL.

    My CES Racing System has only 1 cat and can run fine with the std ECU/tune.

  7. Default

    You can run no cats, with a little trick, but its not for the road & will not show any CEL's

  8. #8

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    Quote Originally Posted by mpsgarage View Post
    You can run no cats, with a little trick, but its not for the road & will not show any CEL's

    Really? Do tell...... I could use an extra kilowatt or two....

  9. #9
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    Default

    cheers guys

  10. Default Recomendations for after market exhaust system please

    Hey guys,

    ive been trying to find this information in previous threads but have had no luck

    Baisicly, im ready to put an after market exhaust system on my MPS3.

    I want a system that will increase performance without increasing the sound of the car too much. I only want the car to sound slightly louder/meatier than stock

    I have spoken to a few companies like turboxs and CES, but cant find any vids on youtube of the systems they are describing to me

    The corksport and COBB system iv heard are aslo way too loud.


    Can anyone recomend an aftermarket system that will increase power while only slightly increasing the noise? Either brand name or custom built.


    Any help would be greatly appreciated

    thanks

  11. #11

    Default

    When i was in QLD Nirvanadan had the CES?????? downpipe or maybe full TBE and it didnt sound loud to me?

    2XS can comment on how loud CES would be

    Most of the restriction is in the down pipe so i would say replace that and you should get some decent power gains without too much additional noise.

    As said by others if you want extra performance without noise why not get a tune from chip tourqe?? Will get more kw gains than a full exhaust and will probably be cheaper

    Im sure others will jump in with suggestions

  12. Default

    thing is that i wouldnt mind a little bit more noise than stock. just to make it sound a bit more exciting

    After i put the zorst in, my plan is to get a chip+tune from exede

  13. #13

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    Quote Originally Posted by savvy_dizzle View Post
    thing is that i wouldnt mind a little bit more noise than stock. just to make it sound a bit more exciting

    After i put the zorst in, my plan is to get a chip+tune from exede
    From what ive read a DP will gove you a good gain and meatier noise this is what you should go for ....

  14. #14

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    if COBB system is to loud then just replace the DP... the cobb system is about the quietest full TB system there is i think. With the MPS3 though most of your power gains are in the DP.. so just replace that... if after a little more noise maybe delete a muffler or 2..

  15. Default

    when i spoke to tubroxs

    he said that they install a 3" DP and high flow cat pipeing, leaving the catback exhaust system stock. Giving the car increased perofmance while only slightly increasing the sound

    is turboxs any good tho, i have heard mixed comments. some good things, some bad things

    the turboxs system plus install was quoted at $1200

  16. #16
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    Default

    Threads Merged.


  17. #17
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    Default

    The CES system has been associated with boost cut on certain cars, primarily due to the divorced wastegate on the downpipe causing boost creep, usually an Xede, or similar is required with this system to lift the factory cut threshold.

  18. Default

    Quote Originally Posted by savvy_dizzle View Post
    when i spoke to tubroxs

    he said that they install a 3" DP and high flow cat pipeing, leaving the catback exhaust system stock. Giving the car increased perofmance while only slightly increasing the sound

    is turboxs any good tho, i have heard mixed comments. some good things, some bad things

    the turboxs system plus install was quoted at $1200
    Go for a good quality Down pipe (COBB/CP-E) with a cat & leave the rest stock.
    You will have good power with out the noise.
    Most of the cost will be in the cat, So if there's a cheaper Down pipe it might be a good idea to ask about the cat.

    ---------- Post added at 05:57 PM ---------- Previous post was at 05:56 PM ----------

    Quote Originally Posted by 2XS View Post
    Really? Do tell...... I could use an extra kilowatt or two....
    Its all about the location & depth of the sensors.

  19. #19

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    Quote Originally Posted by savvy_dizzle View Post
    the turboxs system plus install was quoted at $1200
    That sounds a tad high.
    so for $1200, u only get a down pipe with high flow cat?

  20. #20
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    Pretty sure the DP install is a pretty time consuming job on the MPS........6hrs+

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