2004 325ti - backbox or catback??? decisions....

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  1. 2004 325ti - backbox or catback??? decisions....
    #1
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    baderlfc's Car Details
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    325ti Sport
    Year of Manufacture:
    2004
    Transmission Type:
    manual
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    hatchback
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    2004 325ti - backbox or catback??? decisions....

    Local firm to myself called pro-speed who are very highly regarded (not your usual longlife/powerflow cutters!)..

    I've been quoted 320 for a manufactured catback system with a slightly larger diameter pipe or 180 for just a backbox..

    I'm basically thinking would I notice any difference in the car having a catback system over standard? If not surely it's not worth the extra money..

    Standard exhaust is in very good condition.. No necessity to change!
    E46 325ti Sport
    Lowered 50/40 on Weitec springs
    18" staggered BBS RS-GTs

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  3. #2
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    kenjackson1's Car Details
    Model of Car:
    325ti
    Year of Manufacture:
    2001
    Transmission Type:
    Manual
    Car Body Type:
    Compact
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    Have they had a look at the car mike? As in they do know that there are two pipes that run pretty much the entire length of the car? I think I'm just going to get a back box on mine when I get round to it just to make a nicer sound. Coz when I went to get an exhaust priced up it was going to be 450 cat back because there was two pipes. I believe that if you use a bigger pipe they can run just one pipe down but not exactly sure on that. why don't you just get it remapped 275quid abouts depending where you get it from ha ha


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  4. #3
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    baderlfc's Car Details
    Model of Car:
    325ti Sport
    Year of Manufacture:
    2004
    Transmission Type:
    manual
    Car Body Type:
    hatchback
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    Yeah they deal with mainly BM's and merc's so they know the score on my car.. He said he'd increase the bore of both pipes by 0.25".. just don't know if it's worth it, performance isn't going to change I wouldn't of thought?!

    I'm leaning towards backbox just for look and sound..

    Don't see the point of remapping an NA car in all honesty mate.. I've spoken various people on this forum who've remapped 325s and 330's and they've always said they regretted it as it simply wasn't worth the relatively high outlay!
    E46 325ti Sport
    Lowered 50/40 on Weitec springs
    18" staggered BBS RS-GTs

    Pioneer MVH-8200
    Focal Polyglass 5.25" 130VB components
    Alpine MRP-M650 Monoblock with Alpine Type R 10"

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