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| D3 - Fuel and Exhausts Everything to do with getting fuel into the engine, and fumes back out again |
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#1
17th February 2023, 09:05 AM
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S8 D3 Exhaust Options - Help
Hi all … recently added a 2009 D3 S8 to my collection … but can’t get the exhaust sound right … so far:
- flaps cable tied open = no noticeable difference really - all 4 resonators deleted = better under acceleration but nothing special on tickover or low revs - rear mufflers delete (therefore straight piped) = amazing but ridiculous :-) - new replacement sport mufflers = nearly there .. but drone at 1500 revs …. What have others done? .. don’t know if next option is put a couple of resonators back in or different mufflers? 
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#2
4th March 2023, 07:31 PM
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Depends what sound you are after to get it 'right'. Some have removed secondary cats and been happy. Others (like me) have cable tied the flaps and are happy as it's slightly louder on throttle but quiet when cruising. Being an '8' I'm happy with it as I don't think it should sound like an R8 or RS6 but everyone's different
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2008 (facelift) S8 with B&O, ACC, glass sunroof, reversing camera, front and rear heated seats, ceramic brakes, homelink, electric side and rear blinds, ski load through, heated fan washer jets, remote boot closing, de-flapped manifold, fridge, umbrella holder 
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#3
26th May 2023, 10:42 AM
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I have just had the two rear mufflers deleted (left resonators in). It sounds absolutely amazing but to be honest I feel like it's ruining the "Prestige" vibe of the car. I am thinking of just replacing my muffler delete with a valved system so i can have the best of both worlds.
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#4
26th May 2023, 05:25 PM
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If I ever buy a D3 S8, this is the system I would get.
It is approx £10k though  https://youtu.be/CZqAckA0wMg
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2002 S8 - Irish Green Pearl. Cat N (saved by the D2 Doctor  )1988 E30 Coupe - Royalblau Metallic 2003 S4 Avant - Light Silver Mettalic 2016 S5 Coupe Black Edition - Glacier White 
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