B5 S4 and RS4 noise tests
shaky leg is a a sign of old age Adam!
101.5 dB for my car!
101.5 dB for my car!
S2 Coupe : S4 B5 WB : RS6 C5 : S4 B8 : R8 V8 Turbo : Q7 4.2 TDI
http://www.MRCtuning.com
http://www.facebook.com/mrctuning
http://www.MRCtuning.com
http://www.facebook.com/mrctuning
s4 k04s rs4 downpipes with nocats - nocatback! 105.5dB
S2 Coupe : S4 B5 WB : RS6 C5 : S4 B8 : R8 V8 Turbo : Q7 4.2 TDI
http://www.MRCtuning.com
http://www.facebook.com/mrctuning
http://www.MRCtuning.com
http://www.facebook.com/mrctuning
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I do remember when i used to have precats and cats with milltek back box it was really drummy inside (really bad.....) . The day i had my precats gutted the boomy sound wasn't there, and now even less with no cats at all ( it is loud yeah, but not boomy!! ) I keep some ear plugs in the glove box for sensitive passengers...
Porsche 996 Turbo S Atlas Grey.
RS4 B7 Avant Sprint Blue. Sold.
RS4 B5 Avus Silver with MRC magic . Sold (Best car ever )
S4 B6 Avant Nogaro blue. Sold
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RS4 B7 Avant Sprint Blue. Sold.
RS4 B5 Avus Silver with MRC magic . Sold (Best car ever )
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A6 Avant Silver . 2.5 TDI .Sold
All these figures are surely irrelevant as we really need to test once the car comes on boost. My car must exceed 110 on boost. Never heard anything this loud... makes bikes seem tame. I need a fix!! HELP...
Facelift Imola S4 | Cust K04's, Tubular Manifolds, 3" DPs->2.75" Catback | FMIC | PSS9 Coilovers + ARB's | Brembo 8-Pots | SS + DTS | 5??HP/475lbs/ft | 3.06S FATS on S4 Box
Sold: A4 (B5) 2.8 Quattro | Ivory Pearl
Melted: Corrado - IHI 1.8t: 343BHP
Sold: A4 (B5) 2.8 Quattro | Ivory Pearl
Melted: Corrado - IHI 1.8t: 343BHP
Thought you had a 2nd box waiting at RS Fab'? - you did when I went!ZeroK66 wrote:All these figures are surely irrelevant as we really need to test once the car comes on boost. My car must exceed 110 on boost. Never heard anything this loud... makes bikes seem tame. I need a fix!! HELP...
Present: 2010 Ice silver B8 S4 s-tronic saloon (standard)
Past: 1998 Agate grey B5 S4 saloon (MRC tuned)
Hers: 2011 Volcano red 8P A3 Sportback 2.0 TDI 170 sport quattro
Past: 1998 Agate grey B5 S4 saloon (MRC tuned)
Hers: 2011 Volcano red 8P A3 Sportback 2.0 TDI 170 sport quattro
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ZeroK66 wrote:All these figures are surely irrelevant as we really need to test once the car comes on boost. My car must exceed 110 on boost. Never heard anything this loud... makes bikes seem tame. I need a fix!! HELP...
You should attend a tunnel run then...
MING BLUE AUDI S4
Car is on Lock down
506.9 BHP @ 6.020 RPM
445.0 WHP @ 5.981 RPM
481.5 IBFT @ 4.976 RPM
Car is on Lock down
506.9 BHP @ 6.020 RPM
445.0 WHP @ 5.981 RPM
481.5 IBFT @ 4.976 RPM
I would like mine resonated. Not fitted the 2nd box yet... RS should have this next time I am up I want this fitted.
Can anyone show an image/explain diff between resonated and non-resonated. My car booms like mad... its terrible on A-Roads at lower speeds. Rear seats almost un-usable.
Tunnel blasts are absolutely insane!
Can anyone show an image/explain diff between resonated and non-resonated. My car booms like mad... its terrible on A-Roads at lower speeds. Rear seats almost un-usable.
Tunnel blasts are absolutely insane!
Facelift Imola S4 | Cust K04's, Tubular Manifolds, 3" DPs->2.75" Catback | FMIC | PSS9 Coilovers + ARB's | Brembo 8-Pots | SS + DTS | 5??HP/475lbs/ft | 3.06S FATS on S4 Box
Sold: A4 (B5) 2.8 Quattro | Ivory Pearl
Melted: Corrado - IHI 1.8t: 343BHP
Sold: A4 (B5) 2.8 Quattro | Ivory Pearl
Melted: Corrado - IHI 1.8t: 343BHP
ill have a go....Can anyone show an image/explain diff between resonated and non-resonated.
A resonator is just the most basic form of muffler, just an open chamber that contains a specific volume of air, no sound dampening material or frequency tuning like more complex muffler forms but is designed to cancel out certain frequencies of sound.
There's wave tuning, flow rates, and resonance/cancelation frequencies to be considered when designing it and how the various orders of sound frequencies produced contribute to the NVH in the car.
think a diagram might be a bit easier ill see if i can find out later!
rob
Interesting, so it is totally custom to the exhaust. So RS Fabrications who created my custom exhaust are not likely to be able to design a resonator/it will cost a lot & be totally custom one off?
Facelift Imola S4 | Cust K04's, Tubular Manifolds, 3" DPs->2.75" Catback | FMIC | PSS9 Coilovers + ARB's | Brembo 8-Pots | SS + DTS | 5??HP/475lbs/ft | 3.06S FATS on S4 Box
Sold: A4 (B5) 2.8 Quattro | Ivory Pearl
Melted: Corrado - IHI 1.8t: 343BHP
Sold: A4 (B5) 2.8 Quattro | Ivory Pearl
Melted: Corrado - IHI 1.8t: 343BHP
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