Hi Everyone, I've read Backlash's post and wondered if any conclusions were drawn. I've recently acquired an XJR and love it, but would like it to sound a little throatier, but I'm not after a roar are there any hard and fast rules, is it acceptable to simply go to a local powerflow dealer? If anyone has any suggestions or thoughts I'd be interested. We were lucky enough to have Graham Searle at our local club meeting recently and his S type has a beautiful sound which I'm sure the XJR can come very close to with the right expertise.
Getting the burble sound??
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Hadleigh007
- Posts:24
- Joined:Wed Mar 10, 2010 9:32 pm
- Location:The Lake District
Graham Searles exhaust
HADLEIGH Did you have a chat with Graham re his exhaust???
It depends on what you are looking for..........he had it done then found it was a little too sporty for him but he puts up with it as he drives different cars.......but if you like sporty then his is bang on..........on the other hand we have near us in Leeds a LONGLIFE exhaust franchise they do have this request for "different" sounding exhausts..........cars do come from all over the place to their garage..........there are Longlife franchises around try giving them a call.....maybe they have one near you.........or go to the place Graham went to...........Joe
It depends on what you are looking for..........he had it done then found it was a little too sporty for him but he puts up with it as he drives different cars.......but if you like sporty then his is bang on..........on the other hand we have near us in Leeds a LONGLIFE exhaust franchise they do have this request for "different" sounding exhausts..........cars do come from all over the place to their garage..........there are Longlife franchises around try giving them a call.....maybe they have one near you.........or go to the place Graham went to...........Joe
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Hadleigh007
- Posts:24
- Joined:Wed Mar 10, 2010 9:32 pm
- Location:The Lake District
Hi Joe, thanks for the quick reply, unfortunately I didn't know Graham had upgraded his exhaust until we heard him drive off at the end of the night 
it sounded very impressive although it would have been interesting to ask him what it was like to live with it since we could hear him for quite a distance 
I'll have a look into long life exhausts and see if I can find a local franchise, I know we do have powerflow but don't know if they're good or not. Thanks again.
it sounded very impressive although it would have been interesting to ask him what it was like to live with it since we could hear him for quite a distance I'll have a look into long life exhausts and see if I can find a local franchise, I know we do have powerflow but don't know if they're good or not. Thanks again.
I have a 60mm £1000 Milltek moded S-type R system on my V8 S-type. Fitted by Paramount eighteen months ago.It has no resonators and free flow back boxes. It has the V8 burble and is much less noisy than Grahams car which is outrageous!
Graham told me he did find it a bit much on a long journey sometimes. I believe he has since quietened it down since Lynne found it heavy going. When he overtook me on the motorway once, we heard him comming before we saw him. And that with the windows and sunroof shut!
Mine is reasonably quiet around town and does not attract Police attention. However the refinement of the original system has gone and the car now has a completely different character. At low revs, without the resonator boxes, there is a resonance at around 1200rpm which gets transmitted through the floor pan and the heals of your shoes. That does get a bit tedious if you are tired. A point worth noting.
Boot the car hard and the noise is impressive but intrusive. Under normal motorway running, one knows that the car is not as quiet as previously. Again it can be a little tedious after two or three hours. Passengers also say that the extra noise can be wearing. My aged Mother said she thought the exhaust was about to fall off. It does also boom loudly when started up from cold.
I suppose if I were to turn back time and do the exhaust again, I would specify a system with resonator boxes which are located under the back seat.
The system is at its best when heard as a pedestrian on the pavement. Everyone remarks on how impressive the car sounds. I`ve only heard that "Sound Track by Paramount" twice when my pal drove the car past me.
Perhaps I`m getting old and would prefer a system that is not as muffled as the standard item, but sound goods without being as roarty as my current system. A case maybe of building resonators back into the system at a later date.
Ear plugs are the other cheaper option!
Mike Kennedy. S-type Co-ordinator
Graham told me he did find it a bit much on a long journey sometimes. I believe he has since quietened it down since Lynne found it heavy going. When he overtook me on the motorway once, we heard him comming before we saw him. And that with the windows and sunroof shut!
Mine is reasonably quiet around town and does not attract Police attention. However the refinement of the original system has gone and the car now has a completely different character. At low revs, without the resonator boxes, there is a resonance at around 1200rpm which gets transmitted through the floor pan and the heals of your shoes. That does get a bit tedious if you are tired. A point worth noting.
Boot the car hard and the noise is impressive but intrusive. Under normal motorway running, one knows that the car is not as quiet as previously. Again it can be a little tedious after two or three hours. Passengers also say that the extra noise can be wearing. My aged Mother said she thought the exhaust was about to fall off. It does also boom loudly when started up from cold.
I suppose if I were to turn back time and do the exhaust again, I would specify a system with resonator boxes which are located under the back seat.
The system is at its best when heard as a pedestrian on the pavement. Everyone remarks on how impressive the car sounds. I`ve only heard that "Sound Track by Paramount" twice when my pal drove the car past me.
Perhaps I`m getting old and would prefer a system that is not as muffled as the standard item, but sound goods without being as roarty as my current system. A case maybe of building resonators back into the system at a later date.
Ear plugs are the other cheaper option!
Mike Kennedy. S-type Co-ordinator
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Hadleigh007
- Posts:24
- Joined:Wed Mar 10, 2010 9:32 pm
- Location:The Lake District
Living with louder exhausts
Hi Mike, thanks for your thoughts you have raised some very intersting points. For the most part I have owned diesels so it has never been worth bothering about nice sounding exhausts. Therefore most of my expereince of what I percieve as nice sounding exhausts has been as the pedestrian listening to the throaty burble as the car starts up, and listening to it sing as it heads of into the distance, however when you own the car, the sound doesn't fade into the distance but comes right along with you, perhaps an inescapable hum isn't what I'm looking for. I did have a Ferrari 355 replica based on a Toyota MR2 with an induction kit, that let the engine breathe properly and when you booted it you heard a lovely roar, but when idling and under normal driving the car was more or less silent. Does anyone know if the induction kit route on the XJR affects the sound and if this is a route worth investigating whilst leaving the exhaust alone?
From my experience an oiled cotton panel K&N or Green Filter in a convensional air box on a normally asperated Jaguar V8 will gain you around 5hp at full throttle on a rolling road in third gear before the rev limiter chops in. You can expect perhaps a little more from a supercharged R unit. You would notice no difference in induction roar as this tends to be muffled by the internal structure of the airbox.
Panel filters are known to be rather better than cone filters for road use.
Cone filters are more applicable to circuit and race use as a bigger volume of air is required but drivability is not so important. Cone filters in my experience are a little more noisy, which is ok if you are a seventeen year old apprentice plumber in an Astra van, but not quite what you require when your plumbing gives up in later life and you just wish to cruise to the latest domestic flood listening to Classic FM!
Even without an exhaust mod, the change to a decent filter will be a bonus. I can no longer be bothered with a restrictive paper element that is an ongoing expense to replace, restricts the induction air flow and therefore affects fuel economy. I have not used one for over five years now. Chuck it in the bin!
The costs of a typical XJ8/XK8/S-type V6/V8 filter oiled, servicable cotton filter is around £45-50, depending from whom you buy it. Adamesh are star guys for Green Filters which are little different from the known tried and trusted K&N units. For these, I have found motorsportworld on the internet to be consistantly the cheapest suppliers around. Immediately I fitted a K&N 33-2266 filter to my S-type I noticed an improved pull away, 1.5 mpg fuel consumption improvement and an easing of the general running characteristics. Changing the filter to a cotton filter is an economical answer to improved fuel consumption and lower running costs.
£ for £, the filter mod is the best value for money. ECU upgrades are available for around £600 and produce 20-25hp in naturally asperated form. The exhaust is another matter. Costs depend on whether you decide to fit sports cats at around £2000 the pair, fit big bore 60mm system with or without resonators or plump for some of the cheaper options which use existing resonator centre sections and simly bog on a pair of freer flowing sports type back boxes.
I know that a good exhaust can be improved by fitment of a good air filter on the induction side. Similarly a good airfilter will be improved by the addition of a good exhaust. Its all about through flow, port scavenging, and keeping gas flow at peak velocity. The bigger the restricton the the less grunt produced.
Lets go further. Spend another humble, ever so humble, £2500-3000 on a set of Paramount or Racing Green modified cylinder heads and the exhaust and induction will be even more productive. the heart of good volumetric efficiency is cylinder head design which is a specialised and exacting science.
Think of the well known saying about computors. Rubbish in, rubbish out. An engine is the same. Stiffle if at one end means it is stiffled at the other. Simple rules of volumetric efficiency.
The bottom line is that power, torque and economy is all in direct proportion to available funds. Some of the finance will in the early stages of tuning give useful gains - but only up to a point. Then you have to spend big bucks. I`ve been through all this with my V8 S-type.
Did I answer the question?
Mike Kennedy. S-type co-ordinator.
Oh`and another thing, lest I forget.....Small supercharger pullies, free flow exhaust manifolds, high compression pistons together with lightened and balanced crank, rods and uprated cams will all help in the never ending search for more toque, power and nice noises... I`m off to bed. I shaln`t sleep now I`m on my favourite subject! M
Panel filters are known to be rather better than cone filters for road use.
Cone filters are more applicable to circuit and race use as a bigger volume of air is required but drivability is not so important. Cone filters in my experience are a little more noisy, which is ok if you are a seventeen year old apprentice plumber in an Astra van, but not quite what you require when your plumbing gives up in later life and you just wish to cruise to the latest domestic flood listening to Classic FM!
Even without an exhaust mod, the change to a decent filter will be a bonus. I can no longer be bothered with a restrictive paper element that is an ongoing expense to replace, restricts the induction air flow and therefore affects fuel economy. I have not used one for over five years now. Chuck it in the bin!
The costs of a typical XJ8/XK8/S-type V6/V8 filter oiled, servicable cotton filter is around £45-50, depending from whom you buy it. Adamesh are star guys for Green Filters which are little different from the known tried and trusted K&N units. For these, I have found motorsportworld on the internet to be consistantly the cheapest suppliers around. Immediately I fitted a K&N 33-2266 filter to my S-type I noticed an improved pull away, 1.5 mpg fuel consumption improvement and an easing of the general running characteristics. Changing the filter to a cotton filter is an economical answer to improved fuel consumption and lower running costs.
£ for £, the filter mod is the best value for money. ECU upgrades are available for around £600 and produce 20-25hp in naturally asperated form. The exhaust is another matter. Costs depend on whether you decide to fit sports cats at around £2000 the pair, fit big bore 60mm system with or without resonators or plump for some of the cheaper options which use existing resonator centre sections and simly bog on a pair of freer flowing sports type back boxes.
I know that a good exhaust can be improved by fitment of a good air filter on the induction side. Similarly a good airfilter will be improved by the addition of a good exhaust. Its all about through flow, port scavenging, and keeping gas flow at peak velocity. The bigger the restricton the the less grunt produced.
Lets go further. Spend another humble, ever so humble, £2500-3000 on a set of Paramount or Racing Green modified cylinder heads and the exhaust and induction will be even more productive. the heart of good volumetric efficiency is cylinder head design which is a specialised and exacting science.
Think of the well known saying about computors. Rubbish in, rubbish out. An engine is the same. Stiffle if at one end means it is stiffled at the other. Simple rules of volumetric efficiency.
The bottom line is that power, torque and economy is all in direct proportion to available funds. Some of the finance will in the early stages of tuning give useful gains - but only up to a point. Then you have to spend big bucks. I`ve been through all this with my V8 S-type.
Did I answer the question?
Mike Kennedy. S-type co-ordinator.
Oh`and another thing, lest I forget.....Small supercharger pullies, free flow exhaust manifolds, high compression pistons together with lightened and balanced crank, rods and uprated cams will all help in the never ending search for more toque, power and nice noises... I`m off to bed. I shaln`t sleep now I`m on my favourite subject! M
Rear 308 Exhaust Boxes
I had to replace my rear exhaust boxes on my Daimler Super 8 1999
Evidently the stainless steel versions only came in after 2000
Although i have only done 47,000 miles the car is 12 years old and the old rust worm had got in there ............
However i went to Tony Banks exhaust emporium in Leeds and he replaced the boxes one gone and one going..........what a job he did.. top top work ...the car is now sounding like a v8 should.........if any one is in the West Yorkshire area or in Leeds area with exhaust problems this guy is the guy to see....at a reasonable price.....i will be entering his details in the Reccomended Supliers list
Nothing like having first hand information and personal service which you are perfectly satisfied with..........Joe
Evidently the stainless steel versions only came in after 2000
Although i have only done 47,000 miles the car is 12 years old and the old rust worm had got in there ............
However i went to Tony Banks exhaust emporium in Leeds and he replaced the boxes one gone and one going..........what a job he did.. top top work ...the car is now sounding like a v8 should.........if any one is in the West Yorkshire area or in Leeds area with exhaust problems this guy is the guy to see....at a reasonable price.....i will be entering his details in the Reccomended Supliers list
Nothing like having first hand information and personal service which you are perfectly satisfied with..........Joe
Re: Getting the burble sound??
Its a few months on from the new rear boxes, and to most people the noise is fabulous...it was to me initially...but its taking some getting used to now.....its not rautious but its not a Daimler sound either (they are supposed to be as silent as you can get)....but the rear boxes are stainless steel, of a good shape and fill the the rear cavity in the bumper a treat. The initial acceleration sound is fine but after a while the sound becomes a drone.......just enough to natter at you. This is progress i suppose, or im getting the wrong side of 40....the XJR guys probably know what im on about..........ive just had a major service and replaced the spark plugs from the original set at 48,000.....and 12 yrs.......evidently this is the wrong thing to do. It did seem a shame to do as the plugs that came out looked brand new, but changed they were,and i popped a K&N panel filter in too.......but instead of the boy racer results i now have 3 mpg more as well as the extra performance.......the boy racer performance has always been there anyway. Im well pleased with the outlay though........ 
Re: Getting the burble sound??
Since my last post re the exhaust on my Daimler Super v8....i had an "experience" 
with mine......locally from me the garage i have previously used and posted about near me (LEEDS) was the Long Life franchise on Tong Road.....this has been taken over by Tony Banks doing all bespoke exhaust systems as well as the normal repair / servicing.....he always said he will one day get hold of that old v8 of mine and turn it into a real sounding V8....... after the usual banter he got his wish and fitted a system (stainless) to both sides......the pricing was quite reasonable too...BUT it now sounds like he said it would just above the XKR level.....(.this to most evidently is great..but after a while it gets a little overbearing drone on longer runs) ...but i said "its a Daimler, a sophisticated vehicle, meant for discerning drivers"........"not a boy racer for the normal mere jaguars and such"......so now i have a car which almost everyone thinks it sounds like the bees knees .........but shouldn't it sound like a Daimler should...whisper quiet and velvet smooth?.or is this for us "older" gentlemen the more "discerning" types.....so if you like your car to sound bespoke for you take a trip to Tony Banks on Tong Road and let him do yours. but tell him what you want first ......... ......Joe
with mine......locally from me the garage i have previously used and posted about near me (LEEDS) was the Long Life franchise on Tong Road.....this has been taken over by Tony Banks doing all bespoke exhaust systems as well as the normal repair / servicing.....he always said he will one day get hold of that old v8 of mine and turn it into a real sounding V8....... after the usual banter he got his wish and fitted a system (stainless) to both sides......the pricing was quite reasonable too...BUT it now sounds like he said it would just above the XKR level.....(.this to most evidently is great..but after a while it gets a little overbearing drone on longer runs) ...but i said "its a Daimler, a sophisticated vehicle, meant for discerning drivers"........"not a boy racer for the normal mere jaguars and such"......so now i have a car which almost everyone thinks it sounds like the bees knees .........but shouldn't it sound like a Daimler should...whisper quiet and velvet smooth?.or is this for us "older" gentlemen the more "discerning" types.....so if you like your car to sound bespoke for you take a trip to Tony Banks on Tong Road and let him do yours. but tell him what you want first ......... ......JoeWho is online
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