Youre dead right, dont want to replace the system, just want the pipes. I might have a look around to see what end pipes are available and try them for size etc. Then if I`m feeling brave I might get the welder out and spot weld them on to see what theyre like.

I`m rubbish at welding though, do I need anything special to weld on to the back box? Help!

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X5 3.0D 2003
Mods:
Webasto telestart remote kit
Aluminium running boards
Tv in motion & Aux input lead, Ice>ink to Ipod 3g.
DVD rear headrest screens and dvd sytem integrated in to main tv system via aux lead (watch tv or dvd in front and back)
Homelink Gate Opener, Chrome Grille Kit, chrome tailgate handle, Chrome Guage Rings, Tunit V-CR 086
Standard:
Bluetooth, comms pack, sat nav, sports pack, sports seats, dimming mirror, electric folding mirrors, memory seats, heated seats.