Hello, I am wondering if I should add to my 2004 jaguar x-type?
Has anyone done this before? how would this sound? what could be some alternatives
for this? I want the car to have a nice aggressive sound but not too much and also have it pop at some points
SIDE NOTE: I am new to all this and doing this as a school project

 

Simple answer: NO. First, this is designed for a single exhaust pipe unit. The X-Type has a dual exhaust unit. Second, they warn against using this in the rain…huh? And you live in Vancouver (!).

 

I can get two of those and have them in each but yeh true about the rain. what other options would I have?

 

HELP, I think if you installed this, you would find that the kitty would become very unhappy. The motor in your car needs a certain amount of backpressure or it won't meet emission standards. Guys have found just going with a freer muffler has been enough to raise hell with their cars. I can't imagine what it would do if you dumped the exhaust right away. So, unless you like living with error codes on your dash, going to something like this would be a bad idea.

If you are looking for an exhaust project, I would say to go with a true dual 2" exhaust setup (maybe as big as 2.5", but remember, the car needs a fair amount of back pressure to not get codes) and then say put in a 60 degree cross over pipe just in front of the rear differential with say a 50 series muffler. So, from front to rear you would have a cat, resonator, cross over pipe, muffler to single/dual tips. That should ease the back pressure some and give you the performance you are after. Then selecting the muffler will give you the sound that you are after..

I say to put the cross over as far from the motor as possible as this will help with the low end torque that these motors have a fair amount of (the 3.0L has a fair amount more than the 2.5L). If you are wanting more of the higher RPM power, then slide it forward. The closer to the engine you go, the closer to the red line you are going to need to get to see the benefits. Granted, this may make for an interesting paper for your shop class to compare positioning of the crossover pipe and how it affects torque and horsepower. Now, this assumes that your shop has a dyno to be able to say "stock was XXX/xxx HP/Torq, the crossover pipe near the engine was YYY/yyy HP/Torq, and with the crossover far back in the car, it was ZZZ/zzz HP/Torq". I know the hi RPM exhaust pops are neat and whatnot, but they are hell on the car. The X-Type is a good car that you can just ease into the gas and zoom around people without having to rev the engine all that high. I guess that is what I experienced wtih my 3.0L engine.

 

In the past, there was some post about opening up the stock muffler and removing some of the sound deadening material to get the sound a bit better.

Something I would like to do for my weekend cat.

 

You have a 3" exhaust on your X Type?

 

yeah its a 3"

 

its not a exhaust project, the car is the project I just want it to sound good and have it pop if you get me.
not to loud and not to low, also I cant change the whole exhaust system.

 

Help, that is what I am proposing. Essentially it is a rear axle back replacement. The only part that really isn't a normal rear axle back replacement is adding the 60 degree crossover in front of the rear axle. This would be minimal tubing and mainly 3 parts (crossover pipe and 2 mufflers.). Granted, I would recommend that you reduce the tubing down to say 2.25" piping to keep a finite amount of backpressure. You get too low, lots of codes and you will notice the low end grunt of the engine will go away. To me, that low end grunt is what made the motor so nice. No need to wind it out up near the red line. I got spoiled by that ability.

 

oh ok so I should add a 2.25 not a 3" pipe for the link I posted above? the car is a all wheel drive also what if I just straight pipe it instead?

 

BACKPRESURE!!!!!!! The car needs some. You straight pipe it, it is going to have essentially no back pressure. Code City. (and not the good kind of codes). You are playing on a very slippery slope with what you are trying to do. The X-Pipe is your best friend in this case. YOu are going to keep a bit of back pressure, but the other pipe is going to be at a vacuum because where the pipes cross, it is going to have exhaust blowing over the side that is sitting still. This is going to suck a slight vacuum on that pipe. WIth how the engine fires, the next cylinder to add exhaust gasses will be under a vacuum, allowing the gases to leave the cylinder that much faster initiallly, but will develop some back pressure at the end (keeping your low end torque). The higher the angle (up to 90 degrees), the more vacuum that the exhaust can pull in the non-flowing tube. Unfortunately, this reduces the band width in which you will get maximum gain. So, by going with say a 60 degree crossover, you don't get as much, but you get it over a larger RPM range.

I think I know where you are coming from in that all the drag cars have these open pipe systems. They can get away with them because they are revving the engines up to high RPMs and the mere fact of flowing that much exhaust creates the back pressure. Besides, they are not worried about low end torque. ALl they care about is 4K+ RPM power. They let slipping the clutch make up for the lack of low end torque.

 

Why not just purchase a Mina Arden or Borla exhaust system?

Mina =
https://m.youtube.com/watch?v=-60dV1O_lqU
Arden =
Borla =

 

Arden one sounds good but idk can I get just the muffler or it has to be the whole system? whats the price range on these things? dont want to spend too much

 

Arden one sounds good but idk can I get just the muffler or it has to be the whole system? whats the price range on these things? dont want to spend too much

 

Lol, it's a Jaguar, rarely is there a "don't want to spend too much".

https://www.arden.de/shop/en/jaguar/jaguar-x-type.html

https://www.andysautosport.com/shopbybrand/borla/jaguar_x-type.html

There's also an Adamesh one, Google search will answer your question.

 

would these work? https://www.magnaflow.com/collection...rmance-muffler

 

HELP, I think the big thing you are going to need to see is how long the muffler is. Keep in mind that the exhaust pipe is coming in (atleast when factory) at a funny angle. So, you are going to need to create an elbow that you pretty much need to put right at the input of the muffler to get the piping to match up like it needs to so you don't have your mufflers poking out the back of the car. This is where I would say to measure the factory muffler to get an idea of size and make the applicable changes for the aftermarket mufflers that have a straight in and out pipe. Kinda like you will need to look at how much room you may need on the back end to fit any tips that you may be looking at. You have to look at the exhaust system like a musical instrument. If you want a low growl, then you want a longer/larger diameter pipe while keeping backpressure in mind. Changing the last 6 inches of the exhaust is going to have minimal impact on the sound it makes. Kinda like putting anything in line with the piping will affect the sound (ie, muffler). A hollow muffler is going to help keep the bass in the exhaust, but you use a shorter muffler, it is also going to add a higher pitch note to it also.

Getting the exhaust to pop is simple, you simply need a hot exhaust system (ie, something with smaller diameter piping so the hot exhaust gases move down the pipe as fast as possible and don't get a chance to cool down) and an engine that is running a little bit rich. As the hot fuel laden exhaust hits the cold air, it is going to get a breath of fresh air and pop.

 

The car doesn't 'need' back pressure.

This is s a common myth spread online.

The smaller diameter actually helps low speed Vol Eff in terms of tuning. Exhasut back pressure is a a consequence of the smaller diameter and not a desriable outcome

Keeping the banks seperated way back to the rear diff is actually ideal on the X type.

 

Count Iblis, I would agree that a motor does not "need" backpressure. But, the X-Type has shown that you get the back pressure too low and it will start throwing codes. The O2 sensors do not like it for some reason. I use the saying "backpressure is needed" for the general fact that to maintain a sense of driveability to the car, backpressure is needed for low end torque. I do not know many people that drive their cars at 4K+ RPM whereever they go. So, it is a balance to keep a finite amount of back pressure to make the car streetable, yet, opening it up enough to let things flow.

 

Where are you getting your 'facts'?

The X type 3.0 has a back pressure on one back of close to 700 mbar and about 600 on the other bank. By comparison the X200 S type 3.0 achieved a back pressure of 230-250 mbars for both banks. So I'm not quite sure where you're getting your figures from. Do you have figures? Despite this higher back pressure- the X type has a serious lack of low speed torque.

This is my thread where I outline this

JV6, AJ61 X type-R and Supersport - Jaguar Forums - Jaguar Enthusiasts Forum


So no, EBP doesnt boost low speed torque and if anything the X type shows how detrimental high EBP is.

The X type needs a dual system like its bigger brother, up to the rear tank. I would go with twin 48s, like we tried at Whitley, or else you lose low speed torque going too big. The single pipe was chosen due to very stupid ford regulations. I wouldnt do any kind of cross over pipe, X pipe or otherwise until the rear tanks. The cross over will kill low speed torque on a V6 or inline 6 (unlike a V8) and this is connected to tuning, like the single pipe vs dual pipe and not to do with exhaust back pressure,(although EBP is a consequence of these decisions).

The reason the X type has such small silencer/muffler volumes (for the engine size) while still meeting noise regulations is because it has such high back pressure, (which is a cheap and terrible way to silence an engine).