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#1
12th June 2009, 08:44 AM
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My best mod so far (FREE!)
This is for anyone with a quiet A8/S8 like mine. Before I did this my car sounded as though the engine was powered by air, no matter how hard I pushed the pedal, no V8 sound came out of it ever. I then drilled the airbox and OMG what a diffrence, theres a deep low V8 grumble (you will know what I mean when you do it) I was out all last night driving it with a grin on my face, turns heads everywhere and sounds goregeous. I didn't expect it to make such a diffrence, I thought it would be more a case of 'I think its a bit louder, ermm maybe, could just be my imgination' but this has totally transformed the sound of my car and saved me a hell of a lot of money, I'm not going to bother with an exhuast now for a while yet. My advice to anyone with an 8 is to do it.
 I did do it to my A8 but couldnt tell as my quads with no silencers saw to that. One thing I did notice was that when I drilled my 97 A8 it didn't have a air pump, in the airbox at least (I think thats what James called it) but my 2001 S8 did, all I did was disconnect it to take the airbox out. I will do my 96 A8 when its back on the road to let A8 owners know what it sounds like, although I imagine it would be much the same. A deep V8 grumble  EDIT: Forgot to add that when driving normally, it sounds like it normally would. Its only when you boot it that the engine sounds so good, about after 3k revs you get the most sound I rekon.
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2009 Audi RS 6 Saloon V10 - 420mm Ceramics, Keyless, Soft Close, Adaptive Cruise, Glass Sunroof, Blinds, Twin Pane & UV, Freeview & DAB, High Beam Assist, MTM bits, Audi Exclusive Bits, MRC, Milltek, GYEF1 ASY2's, Bluetooth streaming music to AMI mod - 753 PS/1021 NM 2016 Audi S3 Saloon, Sepang, S-Tronic - B&O, Tech Pack etc... Company Car 1995 Audi A8 4.2 V8 quattro Sport - Bose, Solar, Blinds Last edited by Singh; 12th June 2009 at 08:46 AM. 
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#2
12th June 2009, 09:35 AM
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need pictures mate!
How many holes, where, etc
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#3
12th June 2009, 10:02 AM
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Heres a picture of Jame's airbox, I think this could be from his old A8? As my airpump restricted me doing the holes on that surface and I put a few on other surfaces of the airbox.
You have to do it!
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2009 Audi RS 6 Saloon V10 - 420mm Ceramics, Keyless, Soft Close, Adaptive Cruise, Glass Sunroof, Blinds, Twin Pane & UV, Freeview & DAB, High Beam Assist, MTM bits, Audi Exclusive Bits, MRC, Milltek, GYEF1 ASY2's, Bluetooth streaming music to AMI mod - 753 PS/1021 NM 2016 Audi S3 Saloon, Sepang, S-Tronic - B&O, Tech Pack etc... Company Car 1995 Audi A8 4.2 V8 quattro Sport - Bose, Solar, Blinds
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#4
12th June 2009, 12:39 PM
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OMG Just got my mate to drop me off in the S8 to college because theres no parking and I dont like leaving it here and when he drove off, the sound was so deep and growly, I prefer it to the quads on my old A8 and its nearly as loud, I can't stress how good it is! This is a S8 owner must!!
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2009 Audi RS 6 Saloon V10 - 420mm Ceramics, Keyless, Soft Close, Adaptive Cruise, Glass Sunroof, Blinds, Twin Pane & UV, Freeview & DAB, High Beam Assist, MTM bits, Audi Exclusive Bits, MRC, Milltek, GYEF1 ASY2's, Bluetooth streaming music to AMI mod - 753 PS/1021 NM 2016 Audi S3 Saloon, Sepang, S-Tronic - B&O, Tech Pack etc... Company Car 1995 Audi A8 4.2 V8 quattro Sport - Bose, Solar, Blinds Last edited by Singh; 12th June 2009 at 12:42 PM.
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#5
12th June 2009, 06:05 PM
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Top tip this Amar!
Does fitting a cone filter have the same effect?
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Present: S4 B8 avant, fully loaded, MRC Stage2, Milltek non-res, KW springs Past: S8 D2 FL, S2 ABY coupe, RS6 C5 saloon, RS4 B7 saloon, S4 B5 saloon, S4 B6 avant, all gone but not forgotten
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#6
12th June 2009, 06:17 PM
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Will it affect the mixture ratio or is that a dumb question
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Andy. Current cars: BMW i4 M-Sport Peugeot 207 (the sons) Triumph Daytona 675 (2017 reg) =========================== Gone but not forgotten Ford Focus ST-2 Mk3 (the wifes) (stolen Oct 2023) 1972 T2 Bay Window Camper (Slow) Audi TT Mk1 225 - now with coil-overs and a 7inch touchscreen infotainment centre 2003 A8 Sport 4.2 (with ACC & LPG) (Feed up with all the issues so passed it on to a forum member) 2000 A8 FL QS 4.2 (with RNS-E - Nice ) (Engine poorly so sold on to be brought back by someone who has the time)
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#8
12th June 2009, 06:25 PM
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Quote:
Quote:
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Conan (the Librarian) Watch it if you dare Currently, 2000 S8, Merlin Purple, Leather Pack 1, Winter Pack 1, SPAX adjustable suspension, AP Racing 6 pot front caliper, 385mm fully floating disks, EBC Yellow Stuff Pads, Black Diamond grooved rear disks and predetor pads, D2 Doctors Brake Block. 1997 4.2 A8SQ - the Projekt. 12 years and ongoing! 1997 4.2 A8SQ - Ming Blue. Restoration sat waiting; saved from the Scrapyard 2003 C5 Allroad 4.2Q - Cobolt Blue. Towing car. Laid up awaiting manual conversion. 2005 C5 Allroad 2.5TDi FE - Grey - Workhorse. 2015 Q3QS SLine - Daytona Grey. Lots of extras! Long Haired Admirals cutter. Previously 2003 C5 A6 1.9TDI FWD - Loaner from D2 Doctor Lifex 1997 S8 - Ming Blue. Loaned out and written off. I loved that car. My first engine swap after cambelt failure. 1996 4.2 A8SQ - Ming Blue. 178k on a cambelt! Trader's 8. Delivered to A8Parts at Lifex. 2003 2.8 A8SQ - powder blueish. Fill in for a while. Sold on. 1998 1.8T A4 Avant FWD. Ming Blue (there's a theme here), PEX for the 97 S8. And a list of non VAG going back 40 years before I saw the light.
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#9
12th June 2009, 06:43 PM
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Performance wise I can't see no diffrence at all. Maybe its lost/gained 1-2 BHP but I can guarntee you won't care when you hear the deep grumble your car will make, I can't stop driving it. Usually I would be driving the Bimmer around town on silly little joruneys and the S8 on longer ones but its just been the S8 today, people 7/8 car lengths ahead turn there head when I press the loud pedal. I got back to my car today and there was a guy leaning up against a van staring at my grill and said 'Is that a V8?' Yeah I said opening the bonnet 'sounds good' he said. Then he went on to tell me he had a V12 Cobra or something
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2009 Audi RS 6 Saloon V10 - 420mm Ceramics, Keyless, Soft Close, Adaptive Cruise, Glass Sunroof, Blinds, Twin Pane & UV, Freeview & DAB, High Beam Assist, MTM bits, Audi Exclusive Bits, MRC, Milltek, GYEF1 ASY2's, Bluetooth streaming music to AMI mod - 753 PS/1021 NM 2016 Audi S3 Saloon, Sepang, S-Tronic - B&O, Tech Pack etc... Company Car 1995 Audi A8 4.2 V8 quattro Sport - Bose, Solar, Blinds
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#10
12th June 2009, 08:55 PM
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Sounds please ;-)
Now of course we need some sound bytes adding to that other thread...
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Present: S4 B8 avant, fully loaded, MRC Stage2, Milltek non-res, KW springs Past: S8 D2 FL, S2 ABY coupe, RS6 C5 saloon, RS4 B7 saloon, S4 B5 saloon, S4 B6 avant, all gone but not forgotten
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