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Location:
Helensvale, Queensland
Registered:
March 2003
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Dual Exhausts Celica
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Tue, 16 December 2003 22:52
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I am thinking about going with dual exhausts once my loan gets approved. I am going to have a similar setup to http://www.mackdaddy.tk but get big fat mufflers and angle them outwards like http://www.hive.net.au/qik/10ded.asp. Somebody said that i would loose back pressure and therefore lose performance, is this true? I think that dual exhausts would look so much better than just one fat one. What do you guys reccon. I have been quoted $140 for the work, plus $200 each muffler for huge ones. I am mainly concerned with the "am i going to lose power" problem. can somebody tell me if this will lose power or not?
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Location:
Brisbane
Registered:
May 2002
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Re: Dual Exhausts Celica
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Tue, 16 December 2003 23:05
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Engines do not need any backpressure at all if appropriately tuned. I wouldn't worry about losing power, although I would worry about looking silly! 
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Location:
Adelaide
Registered:
September 2003
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Re: Dual Exhausts Celica
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Tue, 16 December 2003 23:26
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Once again, Norbs is accurate and correct.
Why would anyone think taht the exhausts look good like this, especially when they cost $200 EACH.
I can find much better ways to spend $540.
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Location:
Helensvale, Queensland
Registered:
March 2003
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Re: Dual Exhausts Celica
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Tue, 16 December 2003 23:48
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You think that my car would look stupid with the soarer-style exhausts?
You said that i don't need any back pressure if approperiately tuned. What if it's just a stock engine with that done to it? I am thinking that there is still back pressure up to the part where the pipe splits in two.
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Location:
Sydney
Registered:
February 2003
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Re: Dual Exhausts Celica
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Wed, 17 December 2003 00:08
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540 for dual exhausts, thats pretty cheap...
how big is the pipe?
stainless mufflers?
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Location:
Brisbane, QLD, Australia
Registered:
May 2002
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Re: Dual Exhausts Celica
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Wed, 17 December 2003 00:12
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| isaac wrote on Wed, 17 December 2003 09:48 |
You think that my car would look stupid with the soarer-style exhausts?
You said that i don't need any back pressure if approperiately tuned. What if it's just a stock engine with that done to it? I am thinking that there is still back pressure up to the part where the pipe splits in two.
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No, with true soarer style exhausts, it would probably look sweet if you modified the rear bumper and did it right. (true dual, x-cross, straight out).
On the other hand, those crimes against nature that they put on that poor soarer look like clear tail light lenses do. Totally fucked. Especially if you angle them, you'll look like every other wannabe riceboy out there. Cannons are just stupid.
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Location:
Helensvale, Queensland
Registered:
March 2003
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Re: Dual Exhausts Celica
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Wed, 17 December 2003 00:28
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It's using the stock piping, and then in the middle of the car using a Y piece to break it up into two pipes. Then at the back there are 2 muffs. 540 sounded pretty cheap, other places wanted more like 700.
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Location:
Brisbane
Registered:
May 2002
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Re: Dual Exhausts Celica
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Wed, 17 December 2003 01:37
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If you're retaining the stock piping until the rear of the car, there will be little or no reduction in backpressure at the exhaust manifold, so you don't have to worry about your engine running any differently.
You say $540 is pretty cheap, but it sounds pretty expensive to me when compared to the cost of not doing it at all (ie zero)!
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I supported Toymods
Location:
I renounced punctuation
Registered:
May 2002
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Re: Dual Exhausts Celica
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Wed, 17 December 2003 02:55
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Believe me, this mod will be for appearance alone. It will not change performance one iotum, particularly if you will be running the standard exhaust right to the division point.
It is a $540 no gain modification (except for some weight - sounds like a body kit).
Of course it's your money so don't let any of us stop you. However I'd be spending my $540 on the first metre of the exhaust, not the last metre.
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Location:
Brisbane
Registered:
May 2002
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Re: Dual Exhausts Celica
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Wed, 17 December 2003 05:30
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| gianttomato wrote on Wed, 17 December 2003 12:55 |
I'd be spending my $540 on the first metre of the exhaust, not the last metre.
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Well said. 
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Location:
Melbourne
Registered:
November 2003
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Re: Dual Exhausts Celica
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Wed, 17 December 2003 06:37
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Yeah, I would agree. Spend the money on extractors, or tuning or something. Perhaps cold air induction or something. Save the dual exaust system for when you have enough money to do it right (ie, an actual dual exaust, not a split thingy).
Or alternativly, if you REALY like the look, just get a chrom tip, stick it on some piping, and weld that to the left hand side of your car. As far as I know, it will give you the same sort of performance gains. 
P.S. I think the stock Soarer exaust looks way better than what he replaced it with.
[Updated on: Wed, 17 December 2003 06:41]
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Location:
Helensvale, Queensland
Registered:
March 2003
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Re: Dual Exhausts Celica
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Wed, 17 December 2003 07:51
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Alright, i am convinced that i should not get the dual exhausts. I am going to save my money until i can afford something decent for my car that is not rice Thanks guys
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Location:
Central Coast
Registered:
March 2003
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Re: Dual Exhausts Celica
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Wed, 17 December 2003 09:08
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Oh dear
I cant believe you are letting other peoples opinions be the decider on what to do and what not to do. If you like the look of the dual stainless cannon muflers then do it regardless of what any1 else thinks.
When done properly and on the right car, I love the look of the dual stainless cannons and have every intention of doing this exhaust treatment myself to me seca. I know most people dont like it and think its "rice" but im not building my car for them, Im building it for me so I will make it look the way I want it to.
Car modifying is all about personal taste as far as im concerned
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I supported Toymods
Location:
I renounced punctuation
Registered:
May 2002
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Re: Dual Exhausts Celica
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Thu, 18 December 2003 02:45
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He asked for opinions. He got them.
Read carefully.
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Location:
sunny coast, qld
Registered:
October 2002
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Re: Dual Exhausts Celica
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Thu, 18 December 2003 03:04
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i agree that there would be little point in doing the twin exhausts using the standard front pipe but if he really wants to do it then he can. But as he has already changed his mind (for the better IMO) then it wasn't all that important.
BTW fitting 'real' dual exhausts on a 4 cylinder would be pretty ccrazy. Most people that have twin exhausts on an inline engine will have a single that splits into two.
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Location:
Melbourne
Registered:
November 2003
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Re: Dual Exhausts Celica
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Thu, 18 December 2003 06:57
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Hey hey. Don't get me wrong, I think the dual exaust system can look sweet. In fact, I'm a bit of a ricer. But I don't like pointless rice. Putting a chrome tip on your standard exaust, getting "mag wheel" hubcaps, lowering the car with cut springs, puting a spoiler on an Excel (like... WTF?).
If you want a dual exaust, with 2.5" cannons, go for it. But do up your extractors first and then see if you can split the 2.5s off the cat. That will look nice, and actualy be functional. Oh and on modern cars you wont get much gain from any modification unless you get someone to tune the engine/program the computer to deal with the modifications (unless you have a spiffy computer that figures out that you made the mods itself).
Hey, question for you all, are you allowed to change your catalitic converter in Australia? I know you can get high flow cats, but is that legal? Ofcourse, the next question is should you care.
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