Recommend me a new exhaust

D

DiscoDave

Member
Hey everyone,

I've had my z4 3.0l for about 6 months now - still makes me grin every time I drive it!

I'm looking into making the exhaust sounds a little more beefy - at stock doesn't really give it justice.

Which setup would you guys recommend?

Thanks,
 
Just a suggestion, you can change the sound of any exhaust to a more beefy sound by simply changing the air induction and air filter. I've done this on a few cars and for not a lot of dollar a more deeper rumble is achieved, if you want to spend loads on a new exhaust that is fine, but maybe try the air induction first?
 
CharlieCroker said:
Just a suggestion, you can change the sound of any exhaust to a more beefy sound by simply changing the air induction and air filter. I've done this on a few cars and for not a lot of dollar a more deeper rumble is achieved, if you want to spend loads on a new exhaust that is fine, but maybe try the air induction first?
Click to expand...

Interesting. I'll have a look at the sound generator mod first. Thanks for the heads up :).
 
Worth trying the sound generator mod that most of us have done. Just type in sound generator in the search. It's very simple to do and most owners settle on just removing the foam at the bulkhead end before entering the cabin, as removing both foam restrictors produces too much noise. Gives a terrific throaty induction sound when the throttle pedal is used enthusiastically but no real change to standard sound at lower throttle positions, ie cruising. This is not producing any difference to the exhaust sound but is still a very rewarding substitute, perhaps until you have found the exhaust system you want. Lots have carried out the back box delete where the exhaust back box is replaced by straight through pipes (check out these old posts) but many can't live for long with what they describe as an annoying loud drone at motorway cruising speeds. Horses for courses!
 
Midhurstman said:
Worth trying the sound generator mod that most of us have done. Just type in sound generator in the search. It's very simple to do and most owners settle on just removing the foam at the bulkhead end before entering the cabin, as removing both foam restrictors produces too much noise. Gives a terrific throaty induction sound when the throttle pedal is used enthusiastically but no real change to standard sound at lower throttle positions, ie cruising. This is not producing any difference to the exhaust sound but is still a very rewarding substitute, perhaps until you have found the exhaust system you want. Lots have carried out the back box delete where the exhaust back box is replaced by straight through pipes (check out these old posts) but many can't live for long with what they describe as an annoying loud drone at motorway cruising speeds. Horses for courses!
Click to expand...

Thanks. I've had a read and done the mod as described, removing the foam from the bulkhead end prior to the cabin.

Out for a drive after work tonight so will see how it goes :)
 
Removed bulkhead side foam from the pipe, re-attached and as Midhurstman described, no change under normal revs but at the higher end of the rev range a nice throaty noise.

Thanks to you guys my MPG has plummeted...

:D
 
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