Exhaust farty popping noises ?
Discussion
J4CKO said:
Dont get me wrong, I am not against noisy exhausts (had a 350Z with an aftermarket Stainless system on) , just feel that it is encouraging some to drive faster and more aggressively to trigger it in inappropriate situations, time and a place.
Oh come on, this is Pistonheads. If you want to sit around being po faced about what it might encourage people to do, can i suggest mumsnet or BRAKE?
http://www.brake.org.uk/
All we need now is a "think of the children" and we'll have the full set. We've already had someone mention PCP finance....
Edited by daemon on Monday 20th November 11:08
Yipper said:
Followed a Seat chavrocket slammed to the floor through some narrow, high-walled streets just this evening. He'd had anti-lag fitted and the pops and bangs were ricocheting off the wall like a machine gun for 2-5 seconds at a time. Must admit, it was well funny listening to it and watching people's reaction.
Sounded like this:
https://youtu.be/JORgRiZCtMA
A55 tunnels are their favourites, at night, when there is space to accelerate and lift-off.Sounded like this:
https://youtu.be/JORgRiZCtMA
I must admit the first time I drove a V8 F type I was giggling like a schoolchild for the first 2 miles, it was such an addictive noise.
The F type SVR is another league of mental - every single person I've driven in that car with absolutely loved it. As did I even though it was beyond daft sometimes.
I miss the popping from my Impreza, the M3 only does it on cold starts, which is a shame, but it's far easier to completely f
k the exhaust noise on an E46 M3 than the Impreza so I've left as is (It sounds pretty sweet under load - just wish it had some drama on the overrun)
When I sold my Impreza the guy asked me to fit an aftermarket dump valve, I'd always thought these were a bit chavvy but he supplied it so I obliged. Prior to that it was fully decatted, and banged quite well on upshifts/lift offs due to the fuel in the exhaust. Without recirculating the boost (hence dump valve) though it was mental, and actually I'd wished I'd fitted one sooner, was hilarious and the flames (visible in the rear view mirror ffs
were pretty good)
The F type SVR is another league of mental - every single person I've driven in that car with absolutely loved it. As did I even though it was beyond daft sometimes.
I miss the popping from my Impreza, the M3 only does it on cold starts, which is a shame, but it's far easier to completely f
k the exhaust noise on an E46 M3 than the Impreza so I've left as is (It sounds pretty sweet under load - just wish it had some drama on the overrun)When I sold my Impreza the guy asked me to fit an aftermarket dump valve, I'd always thought these were a bit chavvy but he supplied it so I obliged. Prior to that it was fully decatted, and banged quite well on upshifts/lift offs due to the fuel in the exhaust. Without recirculating the boost (hence dump valve) though it was mental, and actually I'd wished I'd fitted one sooner, was hilarious and the flames (visible in the rear view mirror ffs
were pretty good)andrewparker said:
“In a traditional manual transmission, when you shift gears, you lift off the throttle slightly to allow the revs to stabilise and drop slightly whilst engaging the next gear. An automated manual transmission requires the same sort of action, however since drivers don’t have to use the clutch and gear shift themselves, they often kept their right foot planted flat on the throttle – as you do in a car with an automatic transmission. This causes the revs to rise, and when the next gear engaged, there would be a massive jerking sensation as the gearbox was not in sync with the engine speed.
In order to circumvent this, Volkswagen came up with the concept of retarding ignition timing at the crucial moment of the gear change, effectively mimicking the act of lifting off the throttle. However fuelling and valve timing remain unaffected under this programming setup. This results in excess fuel being deposited into the combustion chamber, remaining un-ignited. When the next gear is engaged, ignition of the fuel is resumed via the spark plugs, and the excess fuel in the combustion chamber and exhaust manifold ignites creating that lovely “vroomph” fart/burp that we all know and love.”
So it’s there to ensure smoother gear changes.
I'm curious to know where you got that from because it isn't true. Probably written by some marketing Johnny who knows nothing about cars. In order to circumvent this, Volkswagen came up with the concept of retarding ignition timing at the crucial moment of the gear change, effectively mimicking the act of lifting off the throttle. However fuelling and valve timing remain unaffected under this programming setup. This results in excess fuel being deposited into the combustion chamber, remaining un-ignited. When the next gear is engaged, ignition of the fuel is resumed via the spark plugs, and the excess fuel in the combustion chamber and exhaust manifold ignites creating that lovely “vroomph” fart/burp that we all know and love.”
So it’s there to ensure smoother gear changes.
Most high performance auto VWs are DSG boxes so they're already in the next gear, they just engage one clutch as they're releasing the other. There is no clutch in, pause, clutch out.
And even conventional autos don't do it. In my car (which is a conventional auto) you can simply floor the throttle and keep it there and it shifts up as it touches the redline with no fuss or noise.
These pops and bangs (as has been said) are entirely artificial. I had a Mini Cooper S that did it, and that was a manual
Ari said:
andrewparker said:
“In a traditional manual transmission, when you shift gears, you lift off the throttle slightly to allow the revs to stabilise and drop slightly whilst engaging the next gear. An automated manual transmission requires the same sort of action, however since drivers don’t have to use the clutch and gear shift themselves, they often kept their right foot planted flat on the throttle – as you do in a car with an automatic transmission. This causes the revs to rise, and when the next gear engaged, there would be a massive jerking sensation as the gearbox was not in sync with the engine speed.
In order to circumvent this, Volkswagen came up with the concept of retarding ignition timing at the crucial moment of the gear change, effectively mimicking the act of lifting off the throttle. However fuelling and valve timing remain unaffected under this programming setup. This results in excess fuel being deposited into the combustion chamber, remaining un-ignited. When the next gear is engaged, ignition of the fuel is resumed via the spark plugs, and the excess fuel in the combustion chamber and exhaust manifold ignites creating that lovely “vroomph” fart/burp that we all know and love.”
So it’s there to ensure smoother gear changes.
I'm curious to know where you got that from because it isn't true. Probably written by some marketing Johnny who knows nothing about cars. In order to circumvent this, Volkswagen came up with the concept of retarding ignition timing at the crucial moment of the gear change, effectively mimicking the act of lifting off the throttle. However fuelling and valve timing remain unaffected under this programming setup. This results in excess fuel being deposited into the combustion chamber, remaining un-ignited. When the next gear is engaged, ignition of the fuel is resumed via the spark plugs, and the excess fuel in the combustion chamber and exhaust manifold ignites creating that lovely “vroomph” fart/burp that we all know and love.”
So it’s there to ensure smoother gear changes.
Most high performance auto VWs are DSG boxes so they're already in the next gear, they just engage one clutch as they're releasing the other. There is no clutch in, pause, clutch out.
And even conventional autos don't do it. In my car (which is a conventional auto) you can simply floor the throttle and keep it there and it shifts up as it touches the redline with no fuss or noise.
These pops and bangs (as has been said) are entirely artificial. I had a Mini Cooper S that did it, and that was a manual
Rawwr said:
daemon said:
If that happens to fk some people off, thats just an added bonus 
Why's it a bonus to upset and annoy people?k some people off, thats just an added bonus (a) if they're genuinely "upset" by a car making a noise as it passes, then they have the problem not me
(b) they really need to look at the real problems in this world and get upset at those.
(b) they need to get over themselves.
daemon said:
Primarily :-
(a) if they're genuinely "upset" by a car making a noise as it passes, then they have the problem not me
(b) they really need to look at the real problems in this world and get upset at those.
(b) they need to get over themselves.
That sounds like quite a selfish position.(a) if they're genuinely "upset" by a car making a noise as it passes, then they have the problem not me
(b) they really need to look at the real problems in this world and get upset at those.
(b) they need to get over themselves.
Tuvra said:
I seen an RS7 in Manchester the other day, guy floors it and lifts off, as he lifted the car made a ridiculously loud crackling sound for about 3 seconds.
I thought it was brilliant! Then again I'm not a miserable old sod stuck in the 1990's
Nail. Head.I thought it was brilliant! Then again I'm not a miserable old sod stuck in the 1990's
I don't like the DSG fart noise, but so many posts in this thread about "if it's engineered, IT'S s
tE." Yet they fail to acknowledge that manufacturers engineer exhaust notes etc. Basically, because it's a 'new' thing, they hate it. I absolutely hate baked bean tin exhausts, but if a nice performance car goes past me with a little burble, I like it. The BHP of modern hatches is mostly far in excess of cars in days gone by that naturally made these sounds, so why shouldn't they artificially replicate the sound?Bet if you put most of the miserly old gits in here in front of 2 cars; one artificially making a pop and one naturally, they wouldn't be able to tell which is which, with a blind test. But if it's not an 18 litre v64, PH isn't happy.
Loved the quiet popping noises from my 3ltr Z4....then I replaced the back box with straight pipes Crack, pop, pop..BANG BANG!
Made it run like st but it put a smile on my face when going through tunnels. Was't too bad as it was an easy job to slip off the pipes and fit the silencer back on when I felt my ears were close to bleeding.
Crack, pop, pop..BANG BANG! Made it run like s
t but it put a smile on my face when going through tunnels. Was't too bad as it was an easy job to slip off the pipes and fit the silencer back on when I felt my ears were close to bleeding.RBH58 said:
Farty popping noises are how manufacturers try to inject some "fruit" into the sound of turbo-4s...which must be the most bat-st boring sounding engine configuration there is. I don't mind a few random pops and bangs on the overrun (who doesn't) but this "tuned to make farty noises" on EVERY gearshift (up and down) just sounds as contrived and pathetic as it is. VAG seems to be the worst for it but the M-B A45 definitely deserves a dishonourable mention. Also seems that Aston are becoming infected with the new M-B V8 too.
There are plenty of nice sounding four cylinder engines. The trouble is they are all minus turbos.t boring sounding engine configuration there is. I don't mind a few random pops and bangs on the overrun (who doesn't) but this "tuned to make farty noises" on EVERY gearshift (up and down) just sounds as contrived and pathetic as it is. VAG seems to be the worst for it but the M-B A45 definitely deserves a dishonourable mention. Also seems that Aston are becoming infected with the new M-B V8 too. swerni said:
Olivera said:
The sound of a good N/A engined car revving out with a brief pause between up shifts can be glorious. Sadly this has mostly been replaced with a PCP'd turbo hatch emitting DSG farts 
Ooo if I pcp one, will it be louder than if I pay cash?If you PCP one, you see, all that liquid cash you would have otherwise spent can be stuffed down a little on the transmission tunnel and combusted in the exhaust. A crisp £50 gets the biggest bangs.
My Abarth doesn't pop or bang very often and will only seldom do it on up shift when flooring it. But then it sounds ridiculous for the rest of the time anyway. It is a wheeled caricature.
Edited by Otispunkmeyer on Monday 20th November 12:04
I'm a latecomer to farty cars - my first flatulent automobile was the MX-5 I bought earlier this year. A 2.5" exhaust system and re-map results in a car that farts delightfully but also quite randomly; sometimes it will {brrpp} as I'm coasting in neutral to a stop. Drove it this weekend to a nice village in Sussex for the weekend and enjoyed the occasional fart as I cruised around the narrow leave strewn roads.
Edited by fido on Monday 20th November 12:08
Rawwr said:
daemon said:
Primarily :-
(a) if they're genuinely "upset" by a car making a noise as it passes, then they have the problem not me
(b) they really need to look at the real problems in this world and get upset at those.
(b) they need to get over themselves.
That sounds like quite a selfish position.(a) if they're genuinely "upset" by a car making a noise as it passes, then they have the problem not me
(b) they really need to look at the real problems in this world and get upset at those.
(b) they need to get over themselves.
"It's fine for me to annoy people provided there are people doing worse things".
An interesting viewpoint into the chav mentality though. They could (and presumably do) apply it to almost anything chav, dropping litter, playing unsociably loud music, queue jumping, not picking up their dog's s
t... Edited by Ari on Monday 20th November 12:13
andrewparker said:
Ari said:
andrewparker said:
“In a traditional manual transmission, when you shift gears, you lift off the throttle slightly to allow the revs to stabilise and drop slightly whilst engaging the next gear. An automated manual transmission requires the same sort of action, however since drivers don’t have to use the clutch and gear shift themselves, they often kept their right foot planted flat on the throttle – as you do in a car with an automatic transmission. This causes the revs to rise, and when the next gear engaged, there would be a massive jerking sensation as the gearbox was not in sync with the engine speed.
In order to circumvent this, Volkswagen came up with the concept of retarding ignition timing at the crucial moment of the gear change, effectively mimicking the act of lifting off the throttle. However fuelling and valve timing remain unaffected under this programming setup. This results in excess fuel being deposited into the combustion chamber, remaining un-ignited. When the next gear is engaged, ignition of the fuel is resumed via the spark plugs, and the excess fuel in the combustion chamber and exhaust manifold ignites creating that lovely “vroomph” fart/burp that we all know and love.”
So it’s there to ensure smoother gear changes.
I'm curious to know where you got that from because it isn't true. Probably written by some marketing Johnny who knows nothing about cars. In order to circumvent this, Volkswagen came up with the concept of retarding ignition timing at the crucial moment of the gear change, effectively mimicking the act of lifting off the throttle. However fuelling and valve timing remain unaffected under this programming setup. This results in excess fuel being deposited into the combustion chamber, remaining un-ignited. When the next gear is engaged, ignition of the fuel is resumed via the spark plugs, and the excess fuel in the combustion chamber and exhaust manifold ignites creating that lovely “vroomph” fart/burp that we all know and love.”
So it’s there to ensure smoother gear changes.
Most high performance auto VWs are DSG boxes so they're already in the next gear, they just engage one clutch as they're releasing the other. There is no clutch in, pause, clutch out.
And even conventional autos don't do it. In my car (which is a conventional auto) you can simply floor the throttle and keep it there and it shifts up as it touches the redline with no fuss or noise.
These pops and bangs (as has been said) are entirely artificial. I had a Mini Cooper S that did it, and that was a manual
andrewparker said:
“In a traditional manual transmission, when you shift gears, you lift off the throttle slightly to allow the revs to stabilise and drop slightly whilst engaging the next gear. An automated manual transmission requires the same sort of action, however since drivers don’t have to use the clutch and gear shift themselves, they often kept their right foot planted flat on the throttle – as you do in a car with an automatic transmission. This causes the revs to rise, and when the next gear engaged, there would be a massive jerking sensation as the gearbox was not in sync with the engine speed.
In order to circumvent this, Volkswagen came up with the concept of retarding ignition timing at the crucial moment of the gear change, effectively mimicking the act of lifting off the throttle. However fuelling and valve timing remain unaffected under this programming setup. This results in excess fuel being deposited into the combustion chamber, remaining un-ignited. When the next gear is engaged, ignition of the fuel is resumed via the spark plugs, and the excess fuel in the combustion chamber and exhaust manifold ignites creating that lovely “vroomph” fart/burp that we all know and love.”
So it’s there to ensure smoother gear changes.
Given that we've got fuel injectors that can accurately do 5 or more injection events per stroke why can't the fuel be shut off at the same time?In order to circumvent this, Volkswagen came up with the concept of retarding ignition timing at the crucial moment of the gear change, effectively mimicking the act of lifting off the throttle. However fuelling and valve timing remain unaffected under this programming setup. This results in excess fuel being deposited into the combustion chamber, remaining un-ignited. When the next gear is engaged, ignition of the fuel is resumed via the spark plugs, and the excess fuel in the combustion chamber and exhaust manifold ignites creating that lovely “vroomph” fart/burp that we all know and love.”
So it’s there to ensure smoother gear changes.
Ari said:
andrewparker said:
Ari said:
andrewparker said:
“In a traditional manual transmission, when you shift gears, you lift off the throttle slightly to allow the revs to stabilise and drop slightly whilst engaging the next gear. An automated manual transmission requires the same sort of action, however since drivers don’t have to use the clutch and gear shift themselves, they often kept their right foot planted flat on the throttle – as you do in a car with an automatic transmission. This causes the revs to rise, and when the next gear engaged, there would be a massive jerking sensation as the gearbox was not in sync with the engine speed.
In order to circumvent this, Volkswagen came up with the concept of retarding ignition timing at the crucial moment of the gear change, effectively mimicking the act of lifting off the throttle. However fuelling and valve timing remain unaffected under this programming setup. This results in excess fuel being deposited into the combustion chamber, remaining un-ignited. When the next gear is engaged, ignition of the fuel is resumed via the spark plugs, and the excess fuel in the combustion chamber and exhaust manifold ignites creating that lovely “vroomph” fart/burp that we all know and love.”
So it’s there to ensure smoother gear changes.
I'm curious to know where you got that from because it isn't true. Probably written by some marketing Johnny who knows nothing about cars. In order to circumvent this, Volkswagen came up with the concept of retarding ignition timing at the crucial moment of the gear change, effectively mimicking the act of lifting off the throttle. However fuelling and valve timing remain unaffected under this programming setup. This results in excess fuel being deposited into the combustion chamber, remaining un-ignited. When the next gear is engaged, ignition of the fuel is resumed via the spark plugs, and the excess fuel in the combustion chamber and exhaust manifold ignites creating that lovely “vroomph” fart/burp that we all know and love.”
So it’s there to ensure smoother gear changes.
Most high performance auto VWs are DSG boxes so they're already in the next gear, they just engage one clutch as they're releasing the other. There is no clutch in, pause, clutch out.
And even conventional autos don't do it. In my car (which is a conventional auto) you can simply floor the throttle and keep it there and it shifts up as it touches the redline with no fuss or noise.
These pops and bangs (as has been said) are entirely artificial. I had a Mini Cooper S that did it, and that was a manual
t. Here's a Seat Ibiza Bocanegra accelerating hard with a VW DSG gearbox. It's from before the noise was cool - https://www.youtube.com/watch?v=0odtLg8omI8
No farty noises and fast smooth shifts.
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