Advise needed on E46 328i exhaust

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  1. Advise needed on E46 328i exhaust 
    #1
    BMW Crazed
    Car Details
    grommet's Car Details
    Model of Car:
    E46 328i
    Year of Manufacture:
    1999
    Transmission Type:
    manual
    Car Body Type:
    Touring

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    Hi can anyone please help me, iv have a E46 328i Touring and want to get a performance exhaust system, at the moment i want to replace the cats and the system back

    firstly i was looking at getting either two 100 or 200 cell cats.

    secondly iv been looking around at different exhaust systems, the one i like the look of is the corsa performace system which i think is only in the US, and blueflame which i think are near liverpool as both of these system have a twin pipe from start to finish even to the piont of having 2 mufflers per side. i have also looked at powerflow but can never seem to get a straight answer out of them. so can anyone tell me if they have had a blueflame or corsa exhaust, and what is the advantage of a proper twin pipe system with separate mufflers instead of mufflers which have both pipes into one box????
     
     

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    #2
    BMW Guru
    Car Details
    328mark's Car Details
    Model of Car:
    E46 328i se
    Year of Manufacture:
    1998
    Transmission Type:
    manual
    Car Body Type:
    saloon
    328mark's Avatar
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    Aug 2008
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    theoretically speaking, the reason bmw put on a single box system is to enhance torque.
    aftermarket exhausts may use a 3 into 1 design to boost power...the real argument would be which is better and can you tell the difference on the road.
    probably not lol.
    blueflame are the stainless side of peco exhausts but have built up a decent reputation even so...have you looked at scorpion systems?
    what i've felt,what i've known
    never shined through in what i've shown.

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