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Engine, Exhaust, Transmission, ECU Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.

View Poll Results: What Exhaust set-up should the FT come with?
Single Exhaust - 1 exit 83 36.89%
Single Exhaust - 2 exits (2 mufflers) 70 31.11%
Single Exhaust - Centre 14 6.22%
Dual Exhaust 58 25.78%
Voters: 225. You may not vote on this poll

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Old 01-23-2011, 03:16 PM   #1
KiingDavid
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Exhaust system: dual or single

Concept pictures suggest that the FT is equipped with dual exhaust. Although this setup is aesthetically pleasing, I think its unnecessary. First off its a 4 cylinder, a single exhaust should be sufficient. Iirc, the 4 cylinder audi a4 and the hyundai gen coupe and some othersn come with it and its nice and all but it adds cost and weight without any significant performance gain. Well I'm sure 20-30 extra lbs below the centre of gravity won't have any noticeable negative affect (it might actually help in lowering the cg) but COST! I'm sure many of us who get this car will be thinking of mods and let's face it, many of us (although I'm sure some of u are) aren't made of money, and if it is a true dual exhaust then its gonna cost nearly twice as much. And I already think those brand name exhaust systems are over priced: its just a length of steel tubes. But that's besides the point.

What are your views on what the FT should come equipped with: duals or singles?

Ok I've added a poll. place your votes =D

Last edited by KiingDavid; 01-24-2011 at 06:12 AM. Reason: Added a poll
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Old 01-23-2011, 03:20 PM   #2
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It's just split into dual exits at the end like an S2000.
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Old 01-23-2011, 03:27 PM   #3
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I like to see duals on the car because of symmetry.
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Old 01-23-2011, 04:12 PM   #4
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Quote:
Originally Posted by Dimman View Post
It's just split into dual exits at the end like an S2000.
if thats the case i hope the exhaust piping run on the right alongside the drive shaft to balance out the weight of the driver as much as possible. but knowing its a japanese/european production where its rhd it'll be on the left.
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Old 01-23-2011, 05:50 PM   #5
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Quote:
Originally Posted by KiingDavid View Post
if thats the case i hope the exhaust piping run on the right alongside the drive shaft to balance out the weight of the driver as much as possible. but knowing its a japanese/european production where its rhd it'll be on the left.
I wouldn't worry about how the exhaust will affect Right-Left balance. Different driver weights would affect it more.

And don't let no fatties in the passenger seat! Heh.
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Old 01-23-2011, 06:55 PM   #6
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I wouldn't worry about how the exhaust will affect Right-Left balance. Different driver weights would affect it more.

And don't let no fatties in the passenger seat! Heh.
LMAO! So true.

For me, I like dual looks... but only need one, so I'll vote for single exhaust.
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Old 01-23-2011, 07:49 PM   #7
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the thing is the size of the muffler is what makes most of the weight, most of the time when there is dual exhausts (one pipe branching to 2 tips), the muffler is only slightly larger than if it was for single exhaust. i prefer dual as i like symmetry
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Old 01-23-2011, 08:25 PM   #8
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Single. Less complicated, cheaper, and highly unneccessary on a boxer engine IMO - and a single can look beasty if done correctly (Supra )

IMO dual exhaust should only be used on V (or W)-layout engine's. There is no real reason to use them otherwise.
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Old 01-23-2011, 08:49 PM   #9
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Single. Less complicated, cheaper, and highly unneccessary on a boxer engine IMO - and a single can look beasty if done correctly (Supra )

IMO dual exhaust should only be used on V (or W)-layout engine's. There is no real reason to use them otherwise.
if the exhaust is a single with single muffler with 2 exists its not complicated and only slightly cheaper and heavier (for the extra pipe from muffle to out)
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Old 01-23-2011, 09:05 PM   #10
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honestly, i don't really care, as long as it looks good.

my MR2 came with a dual-exit muffler, and now it has a single exhaust on it.
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Old 01-23-2011, 09:31 PM   #11
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I am hoping for a single, if the car is designed to have a single it wont look as unbalanced when I change it to an aftermarket single.
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Old 01-23-2011, 10:07 PM   #12
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Quote:
Originally Posted by NESW20 View Post
honestly, i don't really care, as long as it looks good.

my MR2 came with a dual-exit muffler, and now it has a single exhaust on it.
Pretty much this. The weight difference would be negligible.

Quote:
Originally Posted by Dimman View Post
I wouldn't worry about how the exhaust will affect Right-Left balance. Different driver weights would affect it more.

And don't let no fatties in the passenger seat! Heh.


Quote:
Originally Posted by Snaps View Post
Single. Less complicated, cheaper, and highly unneccessary on a boxer engine IMO - and a single can look beasty if done correctly (Supra )

IMO dual exhaust should only be used on V (or W)-layout engine's. There is no real reason to use them otherwise.
A flat engine and a V would share that commonality. Two different banks. So not a very good example.
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Old 01-23-2011, 10:28 PM   #13
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Oh wait brainwave
Single in the centre that way it's "lighter" simpler and symmetrical
Prefferably mounted inside the bumper with a proper diffuser underneath
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Old 01-23-2011, 10:32 PM   #14
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most of 4 cylinders dual exhaust can use a camaro sport muffler and will cost around 30$ more than the same quality/size muffler with single exit.... not a big matter... but I like a lot middle exits like mini cooper S, the turbo versions have the muffler in the center of the car, verrry cool looking and weight distribution
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Old 01-23-2011, 10:39 PM   #15
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Center exit exhausts have always looked like the car's asshole to me since the Boxster...
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Old 01-23-2011, 11:59 PM   #16
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Center exit exhausts have always looked like the car's asshole to me since the Boxster...
Hahahahahahahahahahahahahahahahahahahahahahahahaha
Ok so I will never look at the centre exhaustust without laughing now didn't think of it like that b4..
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Old 01-24-2011, 12:57 AM   #17
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if the exhaust is a single with single muffler with 2 exists its not complicated and only slightly cheaper and heavier (for the extra pipe from muffle to out)
But you have to agree it's slightly more complicated than just a single exit, single exhaust? Not to mention it's uneccessary - why have two pipes (from the headers/exhaust manifold collectors) join into one and then have them split again?

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A flat engine and a V would share that commonality. Two different banks. So not a very good example.
Yes, they do, but with a boxer engine the individual headers should share a very similar direction and orientation - i.e the headers from the two banks are almost parallel (I could be very wrong about this! Haven't really had any experience with boxer engines ). However, this is usually different with a V-engine because the headers travel outwards in opposing directions, so are travelling away from each other.

In my opinion and from my (little) experience, obviously.
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Old 01-24-2011, 02:48 AM   #18
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i don't think center exit is the way to go, if for no other reason than there's going to be a differential in the way of where the muffler/piping would need to be...
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Old 01-24-2011, 06:13 AM   #19
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Quote:
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Center exit exhausts have always looked like the car's asshole to me since the Boxster...
LOL i used to think that too but for any car. id categorize cars as to how many "assholes" they have
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Old 01-24-2011, 08:42 AM   #20
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so am i the only one who has actually voted? ahhwelll single all the way for me keep it simple is pretty much how i like it, plus i really dont care what it comes with as long as it has one, and isnt a full electric car
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Old 01-24-2011, 01:40 PM   #21
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My vote is a for a single exit but then the rear diffuser is going to have a big ass...hole

Also, I'm almost certain the rear diffuser is not going to be CF but rather plastic. With the tips that close, it's either going to warp it or leave exhaust dust around it.

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Old 01-24-2011, 06:21 PM   #22
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Single exit. Lighter weight, more power, nuf said
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