M back boxes wanted

B

Bombardino

Member
 North Shropshire
By any chance has anybody got a pair of M back boxes, Ive just purchased the car and I'm quickly coming to terms that the modded back box's are too loud for me. I've spoken to Machine Monkey the exhaust mod guru who thinks they've had the straight pipe mod done on them, i.e. they've been cut open & a straight pipe welded inside.

So is there anybody who has got a pair of box's that are gaffing dust in the back of the garage that they no longer need/want?
 
Try and contact Attilio..

He has a pair of Z4M back boxes, that I believe he's potentially looking to sell on..

Good luck with the search :thumbsup:
 
I have an unmodded set as well as a modded set. My modded set are not loud by any means
Send me a PM if your interested
 
ClubberL said:
I have an unmodded set as well as a modded set. My modded set are not loud by any means
Send me a PM if your interested
Click to expand...
Interested
What mod has been done to them? I wouldn’t want another identical pair.
 
The boxes were cut open the perforated internal pipe was replaced with non perforated and then the stuffing put back in. It is a a good upgrade if you are after a little more noise and a few pops
 
ClubberL said:
The boxes were cut open the perforated internal pipe was replaced with non perforated and then the stuffing put back in. It is a a good upgrade if you are after a little more noise and a few pops
Click to expand...
Not knowing what was done to mine I’m hesitant to purchase another modded set.
 
They are not loud, they give a nice note and a few pops. Now my new exhausts are loud, a bit of a drone at 2k revs but after that ok. My mods are nothing like that
I purchased them off another forum member captainmorgan999, ask him what the back boxes are like
If not the unmodded are still available
 
ClubberL said:
They are not loud, they give a nice note and a few pops. Now my new exhausts are loud, a bit of a drone at 2k revs but after that ok. My mods are nothing like that
I purchased them off another forum member captainmorgan999, ask him what the back boxes are like
If not the unmodded are still available
Click to expand...
Boxes now found thanks to ClubberL👍
 
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