Custom exhast advice please

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  1. Custom exhaust advice please 
    #1
    Bimmer Fan
    Car Details
    mpj88's Car Details
    Model of Car:
    330ci
    Year of Manufacture:
    2005
    Transmission Type:
    Manula
    Car Body Type:
    Coupe

    Join Date
    Jan 2013
    Location
    Hurstpierpoint
    Posts
    26
    Thanks
    0
    Thanked 2 Times in 2 Posts
    Hi,

    I have a 2005 330ci with dual exhaust pipes running from manifold to exhaust tips. I'm thinking of designing a system with an electronic valve in.

    Where the mid box is, I'd like to replace this with an x pipe (Exhaust Stainless X Pipe Section Divider 2.25" 57mm | eBay)

    Then one of the exits will go through to the back box and the other will have a valve (QTP QTEC225 2.25" Electric Exhaust Cutout 3-Bolt Flange -Quick Time Performance | eBay) and a short piece of pipe with a turn down fitted .

    My question is, will the restriction of going from 2 to 1 pipe make it quiet enough for normal cruising? My thought was, this would be similar to the center box. I dont want too much drone when motorway driving.

    Thanks in advance.
    Last edited by mpj88; 07-04-2013 at 23:56.
     
     

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