Audi A8 (D3 4E) Exhaust - Middle Silencer mod, prons & cons ??

Marc07

Road Burner
Points
27
Location
UK - Bexley
Car
Audi A8 3.7 V8 40V
V8 Exhaust mod - Middle Silencer out, prons & cons ??

Hiya
After a remap I've noticed better sound coming out of the exhaust and a bit 'coughing' ;) which just drives me crazy, in a positive way :)

What I would like to know guys:
what are all the (+) and (-) of having that middle silencer:

Untssssssitled.jpg


..replaced with that:

27465-1.jpg


No further mods.

Will that increase a 'coughing' noise and overall dB by a lot ???
Don't forget that on the end of each pipe there is another quiet big silencer.

And the most important, the (+) and (-), especially: MOT, would that increase the CO2 emissions ??? Would that have any effect when I go to the Audi dealership for a Service or whatever??

Is there any power increase??

Any help as always will be very much appreciated ;)
Thank you
 
Last edited:
It won't affect the CO2 as exhaust are not filters, unless there is a catalysts of some type in that first one (which I doubt). It just looks like a resonator and cuts down some of the "noise". The overall result will be more noise, perhaps a little more peak power (but not much).
 
More noise is a great news :):):)
But how big chance is there that I may fail the MOT because of the CO2 emissions ???
Thank you
 

Similar threads


Please watch this on my YouTube channel & Subscribe.


Back
Top