FC T2 exhausts- Do you prefer single or twin tailpipe?
As title. I'm not sure.
Twin always seems 'fake' to me as its a single system splitting in to two (even the stock system), and have always had a single exhaust on mine. BUT I just bought a new system, and they've accidently sent me (the more expensive) twin one, and I'm not sure if I like it now... Whats others preferences? |
twin- because of the bumper and for as long as I can remember twin was always on hot rods and single was for boring cars
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Originally Posted by StavFC
(Post 10983059)
As title. I'm not sure.
Twin always seems 'fake' to me as its a single system splitting in to two (even the stock system), and have always had a single exhaust on mine. BUT I just bought a new system, and they've accidently sent me (the more expensive) twin one, and I'm not sure if I like it now... Whats others preferences? |
a twin tip is typically quieter than a single due to having a muffler in each tip.
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Single on a stock looking street RX7 always just looked like cheaping out to me. Maybe it's because my city is full of shitty beat up civics with low end canister exhausts.
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Mine is about as far from stock looking as possible, so thats no issue, but I see your point.
Originally Posted by AmT_T
(Post 10983079)
a twin tip is typically quieter than a single due to having a muffler in each tip.
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I love the twin look on an FC. It's fair warning to challengers hehe I've always thought it looked clean and complete that way, too.
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Yeah, it's very good for dropping sound levels without much restriction added. Also it looks good.
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I've always thought having two bumper cutouts and running single exhaust looked strange. And I like the added noise reduction.
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Sound level has nothing to do with twin tips, its all in what mufflers u choose
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So, the addition of another muffler and extra piping, even if it's a crappy muffler, has no affect on sound level?
Rightttt. |
It will have a small effect but not nearly as much as a good muffler set up. You can get a twin set up to be louder or quieter then a single all depends on muffler choice
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Originally Posted by Bamato
(Post 10983225)
I've always thought having two bumper cutouts and running single exhaust looked strange. And I like the added noise reduction.
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My bumper only has one cutout, cutout isnt the issue. I'm leaning towards giving the twin a go
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Twins effectively double your exhaust pipe area. I single 3 in is nice, but 2X 2.5in is still 5 inches of exhaust. My vote is for a 3in DP running to a 3in single to dual 2.5in y pipe.
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Originally Posted by Slevin_FD
(Post 10983371)
Twins effectively double your exhaust pipe area. I single 3 in is nice, but 2X 2.5in is still 5 inches of exhaust. My vote is for a 3in DP running to a 3in single to dual 2.5in y pipe.
The one I have here is 3in to 2x 2.25in. It's the downpipe that's the main thing, a 4in downpipe would be nice, but tbh I dont think I have the room. |
Single ftw. Dual is just for looks because for some reason people associate it with "fast".
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Originally Posted by jerd_hambone
(Post 10983252)
So, the addition of another muffler and extra piping, even if it's a crappy muffler, has no affect on sound level?
Rightttt. Rightttt. |
Dual exhaust just looks cleaner with the stock bumper. I thought about single for a long time just going out of the drivers side but decided it did not make my car look symmetrical when I looked at it from behind. LOL
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I'd prefer the stock dual pipes, it looks fine on the car. However, it should have been single from the beginning, like the FB, and then the FD. But I guess the car being squarish everywhere, it probably made sense to make the rear look more symmetrical.
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https://www.rx7club.com/showthread.p...haust+diameter
Somewhere in this thread is discussion about exhaust flow cross sections and diameter in there written by howard coleman. |
depends on the car, the more stock it is the better duals look, IMO. single can work, but it depends, i'm pretty sure if i slapped an N1 single on my stock vert, it would look weird....
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Defo twin on the FC Stav, single is wrong on an FC imo.
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I love my Racing Beat REV TII!
I suppose a single would be lighter. Maybe single would be better for a track/race car. |
lol.. 'weight savings' No appreciable difference.
Me? I love me some symmetry.. B) Duals all day, every day. |
Originally Posted by tuscanidream
(Post 10983425)
So you are saying that two mufflers with half flow going through each would be better than two mufflers on a single exhaust?
Rightttt. If he has a single and is currently so loud that he has to drop noise levels at the track, adding an obstruction of some sorts is basically the only way to do that, and my opinion is dual is better. A single exhaust is like having different wheels on one side. It throws off the visual balance of the car and makes something just not look right. |
wow, can it be, my first post in the FC section? after clocking over 250,000 miles on my T2 i guess i will give myself permission.
of course there's aethetics... and as i like to day, we can't all be divorced from the same woman. so putting that aside, there's weight and flow. the duals are heavy. i had a RB dual setup and the mufflers are filled w stainless steel shaving to combat the higher rotary EGTs and the setup is heavy. probably not a major issue. while on the dual subject i would like to put in a good word for the quality of the RB dual system. then there's the more important factor, flow. it is probably more complicated than just looking at the total area of the i d of the pipes. mufflers enter in etc and i am not currently well versed in the details. i do think that if you have at minimum a 3 inch i d on your total exhaust system you are generally fine. i run a 3 inch exhaust on my FD and made 514 sae last month and the engine was very happy at 8600. i can see it either way. i still miss a number of aspects of my T2:) howard |
howard c is really slumming it now posting in the 2nd gen section, lol
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Single baby!!!
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duals ftw
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Big ol duals!!
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I wanna go back to duals
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Single here and love it, duals look good also, but i dont have a N1 style muffler so it looks decent. I mostly like the single because of the ease to drop it, 2 flange bolts and a hanger bolt and the whole system is dropped on mine. Less gaskets, less exhaust leaks.
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[quote=jerd_hambone;10986448]Nothing was said about "Which flows better." To say that switching to a dual exhaust isn't going to quiet the system down, or is only go to "marginally" quiet it down is not true. The split in the system, the extra piping and extra muffler are going to absorb a good deal of the sound.
If he has a single and is currently so loud that he has to drop noise levels at the track, adding an obstruction of some sorts is basically the only way to do that, and my opinion is dual is better. A single exhaust is like having different wheels on one side. It throws off the visual balance of the car and makes something just not look right.[/quote] That.:icon_tup: And that.:icon_tup: |
Single looks cool.
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had duals on 3 of my fcs
all i can say is that duals are HEAVY! go with single they might be slightly louder but you can noticeably tell the difference in weight. |
duals are for ppl who are OCD and vain enough feel like they need symmetry...
be a man, be logical, be single |
It is a little more than one muffler and half a Y pipe of weight difference. This could only be considered heavy if: you are a 7 year old girl, your car has 100hp, or you are a racing professionally (which many people on this forum seem to think they are doing or will be doing).
Like this guys car (Sorry, I forgot your name), would not look nearly as good with single. http://i182.photobucket.com/albums/x...atus/DUAL7.jpg |
bingo!
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My RevII is indeed very heavy, But I'd definitely regret sacrificing the sound for a lighter exhaust.
And if you're running canister n1 style mufflers, dual or single, its gonna be loud regardless. On another note... It took ~40 posts till somebody posted a photo? How did that happen? |
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