1999 E46 328 Which exhaust MIJ, Longlife or Powerflow???

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  1. 1999 E46 328 Which exhaust MIJ, Longlife or Powerflow??? 
    #1
    BMW Crazed
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    grommet's Car Details
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    Can anyone give me there thoughts on the above exhaust pipe companys, as i wish to replace my old system, also do any of the above do oval boxes? and one last silly question what is the difference between back box, silencers, mid boxes apart from where they are positioned????

    sorry to sound so dumb

    ps if any of you have a custom system on your car what did you go for as in type of boxes and size of tube and tail pipes as i have the 328i touring
     
     

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    #2
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    I have a cat back DTM Style by Powerflow and I think it's great. It's loud like but I don't think it's too loud but it's personal preference I guess but Powerflow gets a thumbsup from me m8.

    Thanks Button Below, Be a Sport...
     
     

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    I've had a Powerflow exhaust before and it was fine. It depends more on the fitter, I'd get recommendations from happy customers first,

    Ian
     
     

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    I have a feeling mine is a powerflow and i think it sounds great as did many people at the rolling road day
     
     

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    longlife is loud but throaty
     
     

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    Quote Originally Posted by senseslinga View Post
    longlife is loud but throaty
    As mentioned it depends on the fitter and your requirements.
     
     

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    #7
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    well its for road use, but asking as would be good to get a clue as my local powerflow dealer will not let me hear the boxes before i buy also trying to find out what sounds better 2 lots of twin pipe oval or 2 lot of twin cylinders placed side by side
     
     

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    #8
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    Your local Powerflow fitter will build your box by fitting baffle plates for more/less noise, If your not satisfied then tell him more/less plates
     
     

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    Your local Powerflow fitter will build your box by fitting baffle plates for more/less noise, If your not satisfied then tell him more/less plates

    Powerflow aren't able to make silencers on site, they will just select from a standard range. Also, they don't use baffles in their silencers, they are straight through.

    Longlife can build a silencer on site, depending on the depot you go to -they also have a range of baffled silencers if you are looking for a particularly quiet car) In fact they are the only Custom Build brand in the UK that makes their complete silencer from scratch (even the silencer casing).

    You are right in that both brands will be able to build the exhaust to your sound preferences - this will be achieved by intelligent silencer selection and the bore size of the pipe work. Given my user name, it's probably no secret which brand I will prefer (I actually look after all the Longlife Franchises in the UK). What I would say though is to do some google searches on all three names you have mentioned and then make your choice..... hopefully we will be able to be of service
     
     

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    #10
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    grommet - some sound advice above! - TBH i prefer off the shelf solutions.. but there is absolutely nothing wrong with a good custom exhaust as long as you get a good fitter/franchise

    FWIW I used to be a member of another forum and one of the guys there got a MIJ exhaust and he had nothing but problems with it.. he posted some pics of it (and I'm not a welder) - but even I could tell it was shocking!! - the welds looked like pigeon shit and it was BLOWING when they gave it back to him.. i think it eventually got sorted but you have to ask yourself why did they do a sub-standard job in the first place!

    * 2016 BMW M135i LCI (F20): current
    * 2016 Mercedes Benz GLA 200d AMG Line (X156): current
     
     

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