Atlp exhaust
08-30-2009, 08:47 PM
#4
AZ Community Team
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Also check www.acuratlparts.com
No more being made as far as I know, but may find some for sale used in the Black Market:
https://acurazine.com/forums/non-automotive-motorcycle-sales-9/
For the threadjackers: If you don't have something useful to add move on.
No more being made as far as I know, but may find some for sale used in the Black Market:
https://acurazine.com/forums/non-automotive-motorcycle-sales-9/
For the threadjackers: If you don't have something useful to add move on.
08-31-2009, 02:04 AM
#6
Gotta question. Just a piping question. I thought that the piping all the way into the mufflers was 2.5" all the way in. I read on HeelsToe site that it's not. 2.5 inch from third cat into two 2.25" muffler inlets?
08-31-2009, 02:29 AM
#7
6speed Anthracite
That's right ..... when it splits in to 2 it goes to 2.25"
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08-31-2009, 02:41 PM
#11
^ Is that gonna work with the Turbo? I heard I would need a single 3" and then I should split to a 2.5" dual. I guess I could hackup the inlet of this beautiful system, but want to avoid that.
08-31-2009, 03:07 PM
#13
^ yeah man... I was looking at the Borla's b/c they have one with a 3" inlet, but they are $$$$... Anyhow, I like the way the quads look too, but the inlet piping to the two mufflers is only 2.25". And I don't know how big the inlets are on the mufflers themselves (2.5" or 2.25"). I'm definitely going with a single 3" to a Y splitter (Magnaflow has one that has a 3" in and 2.5" out), but the problem becomes the piping from the Y split to the two mufflers. I'm afraid the 2.25" may be too much back pressure. Opel suggested no mufflers and just run resonators for sound ... that would be tight, but I think I need to have mufflers.
08-31-2009, 08:16 PM
#14
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I just ordered my ATLP Base exhaust and J-pipe from www.heeltoeauto.com. Should be delivered by Wednesday 
08-31-2009, 08:38 PM
#16
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Just to give you an idea, I just ordered some headlight bulbs from Excelerate for $100 USD, I got my UPS notice today (super fast shipping btw) and the duties and brokerage fees are an extra $41 Cdn.
The Cdn distributor quoted me $1400 Cdn shipped to Toronto for the exhaust. Like I said I'd be curious to see what the US to CAN price ends up being.
08-31-2009, 08:56 PM
#17
I won't be doing it this summer but you're right it would save a ton of cash.
Just to give you an idea, I just ordered some headlight bulbs from Excelerate for $100 USD, I got my UPS notice today (super fast shipping btw) and the duties and brokerage fees are an extra $41 Cdn.
The Cdn distributor quoted me $1400 Cdn shipped to Toronto for the exhaust. Like I said I'd be curious to see what the US to CAN price ends up being.
Just to give you an idea, I just ordered some headlight bulbs from Excelerate for $100 USD, I got my UPS notice today (super fast shipping btw) and the duties and brokerage fees are an extra $41 Cdn.
The Cdn distributor quoted me $1400 Cdn shipped to Toronto for the exhaust. Like I said I'd be curious to see what the US to CAN price ends up being.
08-31-2009, 08:57 PM
#18
I'm definitely going with a single 3" to a Y splitter (Magnaflow has one that has a 3" in and 2.5" out), but the problem becomes the piping from the Y split to the two mufflers. I'm afraid the 2.25" may be too much back pressure. Opel suggested no mufflers and just run resonators for sound ... that would be tight, but I think I need to have mufflers.
WHOA!! wait a minute.. Hi speed, your getting the turbo kit? WTF?!? NICE!!! butttt! i still dont think you felt the full potential of your supercharger kit :/
i dont blame you though.... TC > SC any day of the week.
wouldnt mind having that beast under my hood either. hopefully it will be as reliable as the comptech kit was for you.
08-31-2009, 09:15 PM
#19
EXACTLY! you guys have no business buying that turbo, while keeping or buying a catback thats 2.5. find a good custom exhaust shop that can make it 3inch all the way back OR 3inch to a Y with 2.5's outlets to the mufflers.
WHOA!! wait a minute.. Hi speed, your getting the turbo kit? WTF?!? NICE!!! butttt! i still dont think you felt the full potential of your supercharger kit :/
i dont blame you though.... TC > SC any day of the week.
wouldnt mind having that beast under my hood either. hopefully it will be as reliable as the comptech kit was for you.
WHOA!! wait a minute.. Hi speed, your getting the turbo kit? WTF?!? NICE!!! butttt! i still dont think you felt the full potential of your supercharger kit :/
i dont blame you though.... TC > SC any day of the week.
wouldnt mind having that beast under my hood either. hopefully it will be as reliable as the comptech kit was for you.
09-01-2009, 02:10 AM
#20
How do you relate flow to piping size? Well, let's see exhaust gas flow as a fluid. We can calculate the fluid capacity of a pipe by finding out it's volume as a cylinder. So you take a 10" section of 2.5" tube, and two 10" sections of 2.25" tubing and find the volume for each.
(volume formula = pie x radius squared x height)
2.5" diameter tube volume : 3.14 x (1.25)(1.25) x 10 = 49.06
2.25" diameter tube volume: 3.14 x (1.125)(1.125) x 10 = 39.74
But wait, since it splits into dual 2.25" tubes, it's 2 x 39.74 = 79.48!
So that means the dual 2.25" piping has the ability to carry almost double that of the 2.5" tubing! Infact the flow is limited by the 2.5" tubing!
Let's see what 10" section of 3 inch tubing can hold!
3" diameter tube volume : 3.14 x (1.5)(1.5) x 10 = 70.65!
Even a 3" diameter is going to bottleneck the dual 2.25" pipes!
So that means running a single 3" to dual 2.25" will have no bottleneck issues!
And that means you can run 3" tubing into the ATLP 2.25" straight through mufflers! Yes! And maybe ATLP can look into such project say if there is a demand of oh..10 people?
But wait! There is more! Even if you find a 3" exhaust system, you will still be limited by your J-Pipe which is at 2.5" (biggest aftermarket). Again, let's see a show of hand.
09-01-2009, 02:34 AM
#23
6speed Anthracite
I will let you know ... I'm expecting delivery today! So far I paid $120 for shipping. The final price will probably be close to what 604racing would have charged me. Except I'm getting it in a week and not in 4-6 weeks. AND I just waned to get it before it's discontinued like the quads!
09-01-2009, 02:44 AM
#24
Three Wheelin'
PEOPLE....
turbo kit will delete all your cats, and J-pipe.... downpipe from turbo kit is 3 inch...from there on, you would wanna do a 3 inch pipe..into the Y split, after the Y, 2.5 inch is fine,,,i dont know about everyone mufflers, and what ur using, but straight through mufflers are better...dont even think about running stock type s mufflers...2 reasons..not enough flow, and will sound like shit....and with the bigger piping and straight through mufflers, dont worry much about loudness....the turbo acts as a pretty big exhaust restriction, which under normal driving conditions, wouldn't be too loud...but when you get on it...let it be a thunder, who cares.
even if normal driving, it is too loud for you..a small 3 inch resonator where stock one would sit, should do the trick for you...
STOP MAKING THIS SO COMPLICATED, you're beating it to death, to the point where ppl read the same thing so often, they start to become insecure about it, whether it is the right thing to do or not, and the more you beat it death, the harder it becomes for anyone to decide... its been discussed and mentioned a million times, but it seems to be ignored...its talked about the same exact things over and over and over and over
pardon my harsh criticism...
turbo kit will delete all your cats, and J-pipe.... downpipe from turbo kit is 3 inch...from there on, you would wanna do a 3 inch pipe..into the Y split, after the Y, 2.5 inch is fine,,,i dont know about everyone mufflers, and what ur using, but straight through mufflers are better...dont even think about running stock type s mufflers...2 reasons..not enough flow, and will sound like shit....and with the bigger piping and straight through mufflers, dont worry much about loudness....the turbo acts as a pretty big exhaust restriction, which under normal driving conditions, wouldn't be too loud...but when you get on it...let it be a thunder, who cares.
even if normal driving, it is too loud for you..a small 3 inch resonator where stock one would sit, should do the trick for you...
STOP MAKING THIS SO COMPLICATED, you're beating it to death, to the point where ppl read the same thing so often, they start to become insecure about it, whether it is the right thing to do or not, and the more you beat it death, the harder it becomes for anyone to decide... its been discussed and mentioned a million times, but it seems to be ignored...its talked about the same exact things over and over and over and over
pardon my harsh criticism...
09-01-2009, 08:39 AM
#26
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I will let you know ... I'm expecting delivery today! So far I paid $120 for shipping. The final price will probably be close to what 604racing would have charged me. Except I'm getting it in a week and not in 4-6 weeks. AND I just waned to get it before it's discontinued like the quads!
09-01-2009, 10:56 AM
#27
What I'm saying is that the bottleneck will be, if anything, the 2.5" single diameter pipe and not the dual 2.25" (after the split) pipes. Why is that? Well, increased flow is a result of increased induction, which is limited by the smallest diameter in piping size.
How do you relate flow to piping size? Well, let's see exhaust gas flow as a fluid. We can calculate the fluid capacity of a pipe by finding out it's volume as a cylinder. So you take a 10" section of 2.5" tube, and two 10" sections of 2.25" tubing and find the volume for each.
(volume formula = pie x radius squared x height)
2.5" diameter tube volume : 3.14 x (1.25)(1.25) x 10 = 49.06
2.25" diameter tube volume: 3.14 x (1.125)(1.125) x 10 = 39.74
But wait, since it splits into dual 2.25" tubes, it's 2 x 39.74 = 79.48!
So that means the dual 2.25" piping has the ability to carry almost double that of the 2.5" tubing! Infact the flow is limited by the 2.5" tubing!
Let's see what 10" section of 3 inch tubing can hold!
3" diameter tube volume : 3.14 x (1.5)(1.5) x 10 = 70.65!
Even a 3" diameter is going to bottleneck the dual 2.25" pipes!
So that means running a single 3" to dual 2.25" will have no bottleneck issues!
And that means you can run 3" tubing into the ATLP 2.25" straight through mufflers! Yes! And maybe ATLP can look into such project say if there is a demand of oh..10 people?
But wait! There is more! Even if you find a 3" exhaust system, you will still be limited by your J-Pipe which is at 2.5" (biggest aftermarket). Again, let's see a show of hand.
How do you relate flow to piping size? Well, let's see exhaust gas flow as a fluid. We can calculate the fluid capacity of a pipe by finding out it's volume as a cylinder. So you take a 10" section of 2.5" tube, and two 10" sections of 2.25" tubing and find the volume for each.
(volume formula = pie x radius squared x height)
2.5" diameter tube volume : 3.14 x (1.25)(1.25) x 10 = 49.06
2.25" diameter tube volume: 3.14 x (1.125)(1.125) x 10 = 39.74
But wait, since it splits into dual 2.25" tubes, it's 2 x 39.74 = 79.48!
So that means the dual 2.25" piping has the ability to carry almost double that of the 2.5" tubing! Infact the flow is limited by the 2.5" tubing!
Let's see what 10" section of 3 inch tubing can hold!
3" diameter tube volume : 3.14 x (1.5)(1.5) x 10 = 70.65!
Even a 3" diameter is going to bottleneck the dual 2.25" pipes!
So that means running a single 3" to dual 2.25" will have no bottleneck issues!
And that means you can run 3" tubing into the ATLP 2.25" straight through mufflers! Yes! And maybe ATLP can look into such project say if there is a demand of oh..10 people?
But wait! There is more! Even if you find a 3" exhaust system, you will still be limited by your J-Pipe which is at 2.5" (biggest aftermarket). Again, let's see a show of hand.
Greco is right, main cats and j-pipe get deleted. So you saying I can go from 3" to 2.25" dual?
09-01-2009, 03:44 PM
#29
Three Wheelin'
what 3 inch pipe would be primary bottleneck??????? the dowpipe from turbo is 3 inch. bolting a 3 inch pipe from the downpipe all the way back into the Y before the tails isn't bottlenecking anything.
after the Y i recommend 2.5" ...while 2.25 would be good...theres no guidance in exhaust flow, so you can't say, after the 3" path, it would split evenly into the 2.25" (one side could have more flow than the other) , that is why i say 2.5" to crate the best flow possible, reducing any backpressure whatsoever <<<<<for the 100000th time
after the Y i recommend 2.5" ...while 2.25 would be good...theres no guidance in exhaust flow, so you can't say, after the 3" path, it would split evenly into the 2.25" (one side could have more flow than the other) , that is why i say 2.5" to crate the best flow possible, reducing any backpressure whatsoever <<<<<for the 100000th time
09-01-2009, 09:46 PM
#30
what 3 inch pipe would be primary bottleneck??????? the dowpipe from turbo is 3 inch. bolting a 3 inch pipe from the downpipe all the way back into the Y before the tails isn't bottlenecking anything.
after the Y i recommend 2.5" ...while 2.25 would be good...theres no guidance in exhaust flow, so you can't say, after the 3" path, it would split evenly into the 2.25" (one side could have more flow than the other) , that is why i say 2.5" to crate the best flow possible, reducing any backpressure whatsoever <<<<<for the 100000th time
after the Y i recommend 2.5" ...while 2.25 would be good...theres no guidance in exhaust flow, so you can't say, after the 3" path, it would split evenly into the 2.25" (one side could have more flow than the other) , that is why i say 2.5" to crate the best flow possible, reducing any backpressure whatsoever <<<<<for the 100000th time
If you have been following my responses and actually reading them, you would know that it's a response to gatdammit's question of what would be the first bottleneck in a 2.5" single to 2.25" dual exhaust system. He thought it was going to be the 2.25" dual pipes that would bottleneck, but as shown, it will not. I was restating that an exhaust with a single 2.5" pipe that splits into dual 2.25" pipes, will be limited by the 2.5" tubing. The dual 2.25" pipes just have a higher limit to what they can flow. Even on a single 3" setup going into dual 2.25" tubes, the dual 2.25" tubes have a higher volume.
No need to complicate simple fact.
As far as the thread starter, please check out www.heeltoeauto.com. Back on topic.
09-01-2009, 11:45 PM
#32
^ Me? I apologize for making it sound like I'm asking the same thing but I thought they were very different questions 3" to 2.5" dual or 3 to 2.25" dual. I mean it will make the difference of whether I try to sell this system or not. ANd I thought the ATLP was 2.5 inch all the way back. So I thought everything was grooving. When I found out they went to 2.25" I didn't know if it would cause a problem and had to input new 'figures' into the question. But I get it now... 3 to 2.25 would work... but 3 to 2.5 is better. Thank you.
And for the OP check out Mr. Heeltoe's website... you can find the systems there.
And for the OP check out Mr. Heeltoe's website... you can find the systems there.
09-02-2009, 11:33 AM
#34
Under construction
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I just ordered my ATLP Base exhaust and J-pipe from www.heeltoeauto.com. Should be delivered by Wednesday
I got it!!! Ok so .... TOTAL: $1909.04CND for exhaust & J-pipe
09-03-2009, 08:46 PM
#39
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09-07-2009, 01:48 AM
#40
6speed Anthracite