Upgrading Exhaust to get more growl
#1
Upgrading Exhaust to get more growl
G'day guys. Sorry if this has been covered before.
My question:
What are some common mods you can do to the XJS to get more "growl" out of the exhaust.
A good friend of mine recently upgraded his exhaust on his XJ and it sounded fantastic. I am inspired
I am aiming for something a bit more aggressive but without peeving off the neighbours know what I mean? Not really wanting to upgrade anything under the hood, just more so underneath the car.
What have some of you guys done to yours?
My question:
What are some common mods you can do to the XJS to get more "growl" out of the exhaust.
A good friend of mine recently upgraded his exhaust on his XJ and it sounded fantastic. I am inspired
I am aiming for something a bit more aggressive but without peeving off the neighbours know what I mean? Not really wanting to upgrade anything under the hood, just more so underneath the car.
What have some of you guys done to yours?
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orangeblossom (03-24-2016)
#2
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Greg in France (03-25-2016),
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paulyling (03-25-2016)
#3
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#4
Hi Bro
You can buy a couple of Pipes off ebay, to eliminate the Two Exhaust pipe boxes, in front of the IRS which should give you all the 'Growl' you need.
And although I've been Temped to give them a try
I'm a bit more in the 'Dolce Vita' camp, preferring the purrrrrrr!
Having said that I'm very open minded, as to what the other type would sound like, so maybe someone could put up a Video or an MP3.
You can buy a couple of Pipes off ebay, to eliminate the Two Exhaust pipe boxes, in front of the IRS which should give you all the 'Growl' you need.
And although I've been Temped to give them a try
I'm a bit more in the 'Dolce Vita' camp, preferring the purrrrrrr!
Having said that I'm very open minded, as to what the other type would sound like, so maybe someone could put up a Video or an MP3.
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paulyling (03-25-2016)
#5
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#6
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#7
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#8
Cheers for the responses guys.
So what is the stock size exhaust on the XJS? (under 2" I am assuming)
(I think I need to do some research on the basics of exhaust because I really know jack about it)
Removing mufflers and the like: Other than change the sound, how does this effect performance of your car, for better or worse?
And when upgrading what is the advantage of stainless steel vs normal? (Just looks better and doesn't rust?)
Grant did you still have your muffler when you did your mod or no?
I am so green at this. Which parts (numbers) are you guys meaning to remove or change? (sorry)
So what is the stock size exhaust on the XJS? (under 2" I am assuming)
(I think I need to do some research on the basics of exhaust because I really know jack about it)
Removing mufflers and the like: Other than change the sound, how does this effect performance of your car, for better or worse?
And when upgrading what is the advantage of stainless steel vs normal? (Just looks better and doesn't rust?)
Grant did you still have your muffler when you did your mod or no?
I am so green at this. Which parts (numbers) are you guys meaning to remove or change? (sorry)
Last edited by paulyling; 03-25-2016 at 10:08 AM.
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orangeblossom (03-25-2016)
#9
I have mid muffler delete, cats cleared out, down pipes empty, "H" pipe aft of the trans, Growler open air cleaners. All that's there is the aft resonators which are straight through, not much difference over stock, not an easy car to get more or good sound out of. Be careful in your choices as you can put a lot of time, $'s and not get what you desire in return.
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#10
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orangeblossom (03-25-2016)
#11
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#12
This link has been pretty helpful in helping me understand what is underneath:
Exhaust System Components-5.3 Litre - Parts For XJS from (V)179737 to (V)226645 | Jaguar Heritage Parts UK
heh so when they say "Exhaust Silencer" they mean "muffler" right?
Also what is the OEM size of the exhaust pipes normally? (what I currently have)
Oh dear...just when I thought I was learning more about my car there is a whole other bunch of other stuff I know jack about...
Exhaust System Components-5.3 Litre - Parts For XJS from (V)179737 to (V)226645 | Jaguar Heritage Parts UK
heh so when they say "Exhaust Silencer" they mean "muffler" right?
Also what is the OEM size of the exhaust pipes normally? (what I currently have)
Oh dear...just when I thought I was learning more about my car there is a whole other bunch of other stuff I know jack about...
Last edited by paulyling; 03-25-2016 at 03:57 PM.
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orangeblossom (03-25-2016)
#13
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#15
903 by MyPix on Talk Photography
here are my middle pipes that replace the middle silencers/mufflers , they release a few more horses, and make the sound quite a bit more sporty ,
no ECU remap is required as the gains are within the parameters of the current ECU map , only larger TB's would require a remap ,
i use these exhausts along with a new induction kit
IMG_0059 by MyPix on Talk Photography
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#16
Hi 'Bro' Items 1 and 2 would be removed
What is the difference between those and the cylindrical mufflers (13) ?
no ECU remap is required as the gains are within the parameters of the current ECU map , only larger TB's would require a remap
Heh what do you mean by TB's?
Last edited by paulyling; 03-25-2016 at 04:57 PM.
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orangeblossom (03-25-2016)
#17
aj6 engineering sells a larger throttle plate set up but they also will re map your ECU, 1 & 2 would be the mid mufflers, the rear resonators are straight through but are very good at sound deadening.
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#18
13 are resonators to reduce the drone, yes remove 1 and 2 or as I have done replace them with straight through mufflers, my mistake was too big a pipe after the muffler 2.5" and straight through resonators.
If I was doing it again I would go 2.5" from the down pipe into 2.5" Cats down to 2.0 or 2.25" muffler and resonator
If I was doing it again I would go 2.5" from the down pipe into 2.5" Cats down to 2.0 or 2.25" muffler and resonator
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#19
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#20
Obviously you could!
But most would really not want to do that, as for starters it would probably be too loud and 'may' even impair the performance by not extracting the gasses in the right way.
As I haven't tried it, I couldn't say for sure but it's not the way most people would go about it.
So much better to do what others have done and remove Items: 1 and 2 and then replace them with a Straight Pipe Kit like B.B. has done, which may also give you a bit more ground Clearance.
That Mod alone, should give you all the 'Growl' you need and in the event you don't like it, then you can re-assemble it, like it was before.
I haven't done that Mod to mine (YET!) but every time I start Her up, the Neighbours Dogs start 'Barking' 'Nuf Said'
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paulyling (03-26-2016)