how should i do my exhaust?
07-06-10, 03:18 AM
#1
how should i do my exhaust?
well im sure there are plenty of exhaust threads on this site but i wanted one for my car and exactly what i want. i want something that will perform well and sound decent, and noise is not an issue i have no problem being loud! So on my 84 gsl-se, I was thinking of buying the pace setter performance header, no cats (no smog where i live) and an n1 style import muffler...So my questions are, is there any thing wrong with straight pipng to a muffler? will the import fart can sound bad? do i need to use thicker exhaust tubing do to rotaries burning hotter? how loud am i going to be? how much of a power gain can i expect?!
Thank in advance, Steve.
Thank in advance, Steve.
07-06-10, 09:30 AM
#3
Lives on the Forum
If someone tries to sell you a pacesetter, run away very quickly. Junk.
If you're trying to do this on the cheap side, then look for a used racing beat header and then fab the rest of the system yourself (lots of threads on fabbing).
Here is a video with some good examples of exhaust systems. There are four different rotaries shown in this order:
1. My car, which has the street version of the racing beat exhaust (first three clips)
2. My buddy's RX3. Not sure what header, or what's underneath, but the system ends with a Supertrapp muffler (very loud).
3. My buddy Nick (Man in Black on this forum). I think he's got a couple of small mufflers under there, but its pretty much straight out to side pipes. Probably not what you would want on a daily driver unless you like spending quality time with the PoPo.
4. Another Nick, this exhaust is completely stock.
http://www.youtube.com/watch?v=ZKNjkywj1Q0
.
If you're trying to do this on the cheap side, then look for a used racing beat header and then fab the rest of the system yourself (lots of threads on fabbing).
Here is a video with some good examples of exhaust systems. There are four different rotaries shown in this order:
1. My car, which has the street version of the racing beat exhaust (first three clips)
2. My buddy's RX3. Not sure what header, or what's underneath, but the system ends with a Supertrapp muffler (very loud).
3. My buddy Nick (Man in Black on this forum). I think he's got a couple of small mufflers under there, but its pretty much straight out to side pipes. Probably not what you would want on a daily driver unless you like spending quality time with the PoPo.
4. Another Nick, this exhaust is completely stock.
http://www.youtube.com/watch?v=ZKNjkywj1Q0
.
07-06-10, 10:18 AM
#4
Environmentally-Hostile
Don't be too sure about the loudness. I thought that at first, and my first exhaust setup was very loud. It got old quickly. Racing beat makes a very quality, good performing, and durable header, so that is pretty much the best place to start. You'll want some kind of silencer directly after the header, and inline-style drag mufflers work pretty well for that. At the rear you want a large canister. I'm using a dynatec split flow race muffler and a racing beat universal 2.5" muffler. Noise level is perfectly acceptable and the sound is good. Performance is also good because everything is straight-through.
However, if I had the funds, I would do a long primary exhaust system with individual pipes for each rotor all the way to the back. You can count on it being around twice as expensive though. These setups sound the best by far:
http://www.youtube.com/watch?v=e-Mon1iiv4Q
However, if I had the funds, I would do a long primary exhaust system with individual pipes for each rotor all the way to the back. You can count on it being around twice as expensive though. These setups sound the best by far:
http://www.youtube.com/watch?v=e-Mon1iiv4Q
07-07-10, 02:42 PM
#5
can i ask what makes the pace setter header so crappy? i have seen in other threads racing beats header has slightly better dyno numbers but for just a low priced upgrade with decent performance on a daily driver would the pace setter really be that bad? i hate leaving things stock and like to upgrade things but that extra 100 bucks for the rb header just for some chrome and a few more horsepower doesnt seem worth it in my budget... plus, summit racing is 20 minutes away so i dont need to pay for shipping for the ps header and i can pick up a resonator there too. so for a daily driver thats not a race car and im not trying to be the best of the best is the pace setter really THAT bad??
07-07-10, 05:07 PM
#7
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07-08-10, 09:56 PM
#9
Environmentally-Hostile
Do not buy the pacesetter. It simply will not last. That is the key difference. It is made of thinwall mild steel. The RB header should last a century, whereas the pacesetter might not even last 5 years under the abuse of a rotary.
07-09-10, 02:42 AM
#11
Here's what I got. It sounds agressive but not too loud (IMHO).
Racing Beat Road Race headers
Dual exhaust. (Make sure you get enough pipe...normally they sell 2 sections but that is with the pre-silencer. If you don't use the pre-silencer, make sure you get extra pipe.)
Dual inlet RB exhaust.
Sounds good with stock porting, and will support additional porting later on.
Good luck.
Racing Beat Road Race headers
Dual exhaust. (Make sure you get enough pipe...normally they sell 2 sections but that is with the pre-silencer. If you don't use the pre-silencer, make sure you get extra pipe.)
Dual inlet RB exhaust.
Sounds good with stock porting, and will support additional porting later on.
Good luck.
07-14-10, 02:58 PM
#12
sooo, after long thought i have decided to wait and spend the money on the bacing beat header, went to summit racing and the pace setter is super crappy lookin and really thin walled tubing. sorry for doubting everyone lol. so how many resonators should i use? the longer resonator the better? and as close to the header as possible correct?
07-14-10, 10:48 PM
#13
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I'm doing a RB dual outlet header into a straight through magnaflow muffler that's 2.25" mounted about halfway through the system and then step up to 3" out the back
How do you think that will do on a stockport?
How do you think that will do on a stockport?
07-16-10, 12:07 PM
#15
07-16-10, 12:52 PM
#16
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Keep in mind that you may decide to turbo one day, so try to design the rest of the exhaust with that thought. Obviously, it that happened, the RB header will not work, but the rest may is designed right.
I used to have the RB race header (true dual), prescilencer, and muffler. This was dual pipes all the way to the tip. The system was qqieter than a Camry. I was frustrated with it as on the race track with my helmet on, I could not hear the engine. Obviously, when racing you want to be focused on the corners and not worried that you may over-rev your engine and constantly checking your tach. So, I unbolted the muffler--that was the loudest car I ever heard--louder than the NASCAR cars that were there that day.
My curent (turbo) setup is: HKS turbo manifold (T04) to 3" downpipe. Then it goes into a 2.5" custom-made pipe to my muffler. It sounds nice and has a nice growl without the crazy-loud rotary sound. Unfortunately, for more power, I will have to go full 3" which is why I think you should build it 3" now to not have to repeat the expense later.
I used to have the RB race header (true dual), prescilencer, and muffler. This was dual pipes all the way to the tip. The system was qqieter than a Camry. I was frustrated with it as on the race track with my helmet on, I could not hear the engine. Obviously, when racing you want to be focused on the corners and not worried that you may over-rev your engine and constantly checking your tach. So, I unbolted the muffler--that was the loudest car I ever heard--louder than the NASCAR cars that were there that day.
My curent (turbo) setup is: HKS turbo manifold (T04) to 3" downpipe. Then it goes into a 2.5" custom-made pipe to my muffler. It sounds nice and has a nice growl without the crazy-loud rotary sound. Unfortunately, for more power, I will have to go full 3" which is why I think you should build it 3" now to not have to repeat the expense later.
07-17-10, 11:10 AM
#18
I guess I'm just lazy.
LOL
07-18-10, 01:19 AM
#20
Steve,3
Yes there are many many many many many many threads on this subject and almost as bad as the redundant TII swap questions!
Not to be harsh here but it's all been covered by those who have taken the time to post sound clips and input as to what they have used and on what. Yes we all want one for out specific car and needs and yes it has been covered for every single rotary application to the guy that wants noise to the guy that wants quiet. All you have to do is a search with the word Exhaust!
If I had $100.00 for every single exhaust thread listed on this site I would go on a very long vacation and be able to afford a lot of drinks!
Yes there are many many many many many many threads on this subject and almost as bad as the redundant TII swap questions!
Not to be harsh here but it's all been covered by those who have taken the time to post sound clips and input as to what they have used and on what. Yes we all want one for out specific car and needs and yes it has been covered for every single rotary application to the guy that wants noise to the guy that wants quiet. All you have to do is a search with the word Exhaust!
If I had $100.00 for every single exhaust thread listed on this site I would go on a very long vacation and be able to afford a lot of drinks!
well im sure there are plenty of exhaust threads on this site but i wanted one for my car and exactly what i want. i want something that will perform well and sound decent, and noise is not an issue i have no problem being loud! So on my 84 gsl-se, I was thinking of buying the pace setter performance header, no cats (no smog where i live) and an n1 style import muffler...So my questions are, is there any thing wrong with straight pipng to a muffler? will the import fart can sound bad? do i need to use thicker exhaust tubing do to rotaries burning hotter? how loud am i going to be? how much of a power gain can i expect?!
Thank in advance, Steve.
Thank in advance, Steve.
07-18-10, 05:54 AM
#21
Steve,3
Yes there are many many many many many many threads on this subject and almost as bad as the redundant TII swap questions!
Not to be harsh here but it's all been covered by those who have taken the time to post sound clips and input as to what they have used and on what. Yes we all want one for out specific car and needs and yes it has been covered for every single rotary application to the guy that wants noise to the guy that wants quiet. All you have to do is a search with the word Exhaust!
If I had $100.00 for every single exhaust thread listed on this site I would go on a very long vacation and be able to afford a lot of drinks!
Yes there are many many many many many many threads on this subject and almost as bad as the redundant TII swap questions!
Not to be harsh here but it's all been covered by those who have taken the time to post sound clips and input as to what they have used and on what. Yes we all want one for out specific car and needs and yes it has been covered for every single rotary application to the guy that wants noise to the guy that wants quiet. All you have to do is a search with the word Exhaust!
If I had $100.00 for every single exhaust thread listed on this site I would go on a very long vacation and be able to afford a lot of drinks!
This is the most uptight forum i have ever been apart of... its just a website for people to bs about our rotaries and look for advice idk why there has to be sooo many rules, doesnt everyone have better things to worry about? and if this has been done SOOOOO many times then why are people still willing to reply and help me out?
07-18-10, 07:22 AM
#22
Steve,
What you just don't realize like all "Newbies" is that us "Veterans" and even non-Veterans have taken the time to answer these questions over and over. Which means it is disrespectful to make a statement like, "I'm sure there are many threads on this subject, but"!
Those who took the time to post in the many threads on this subject did it so that it would be used for future reference to help others. The least you can do is make the effort to look at the existing threads. You have not earned the right to bitch about what our forum is or is not!
No, this section is not so you can just "BS" about our rotaries. That is what the non-technical section is for. This section is for those who truly need help, not those that don't make an effort to find information that is already there. If you would of read the rules of this section you would have seen that we ask you very politely to do some searching and even instruct you on how to do so. That's all we ask Steve is that you make an effort!!!
What you just don't realize like all "Newbies" is that us "Veterans" and even non-Veterans have taken the time to answer these questions over and over. Which means it is disrespectful to make a statement like, "I'm sure there are many threads on this subject, but"!
Those who took the time to post in the many threads on this subject did it so that it would be used for future reference to help others. The least you can do is make the effort to look at the existing threads. You have not earned the right to bitch about what our forum is or is not!
No, this section is not so you can just "BS" about our rotaries. That is what the non-technical section is for. This section is for those who truly need help, not those that don't make an effort to find information that is already there. If you would of read the rules of this section you would have seen that we ask you very politely to do some searching and even instruct you on how to do so. That's all we ask Steve is that you make an effort!!!
This is the most uptight forum i have ever been apart of... its just a website for people to bs about our rotaries and look for advice idk why there has to be sooo many rules, doesnt everyone have better things to worry about? and if this has been done SOOOOO many times then why are people still willing to reply and help me out?
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