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View Full Version : Does implementing a twin exaust in a car increase torque!!!


subaruwizz
May 28, 2004, 5:37 AM
can somebody help me out!!!

i wanna know the advantages of twin exaust tooo.

thnx dudes!!!

SubaruKid37
May 28, 2004, 7:14 AM
do you mean a twin exhaust like this:
http://www.remus-racing.com/images/audi/0460030504.gif, which makes no difference to any performance.

I think this might give you a couple more hp, but nothing significant;
http://www.remus-racing.com/images/porsche/6890970571LR.gif(from a Porsche 996 Carrera)

Or do you mean 2 seperate exhaust parts straight from the engine, like in the X-Type??
http://www.remus-racing.com/images/jaguar/3370010575RR_.gif

But I am alsmost certain that the Torque range will not be affected at all by changing the exhaust. Only a small range of hp can be expected to change, I think :?

Any help??

subaruwizz
May 28, 2004, 7:18 AM
I WAS TAKIN ABT THE SECOND SCENARIO!

2 EXAUST PIPES DIRECT FRM THE ENGINE

THNX ANYWAY

MY UNCLE WANTED TO BUY A CAR WITH TWIN EXAUST
DONNA KNOW WHY!!
THATS WHY I ASKED U

THNX ANYWAY

SubaruKid37
May 28, 2004, 7:21 AM
I added more info in the ABT post, and please, for everyone's sake, TURN OFF THE CAPS LOCK

Rouin
May 28, 2004, 7:39 AM
it all depends on what you're looking for. if you run a twin exhaust from anywhere, that means more total diameter for the exhaust. you don't want to have too much diameter for the exhaust or you'll actually slow down your car. for instance the S2000. it runs a dual exhaust, but some companies like comptech run a single-exhaust system which gives it extra power, because it gives one way for the exhaust flow to go. people will tell you that you want zero backpressure, but you need some backpressure. i'm an integra buff, and here's the perspective from an integra owner. if you keep it at 2.25" ID (inner diameter) then you're fine running any n/a setup. however, if you bust out a 3" exhaust with the same n/a setup you'll lose torque and low end power. 3" exhausts on an integra are strictly for forced induction setups, because any turbo or supercharger needs to breathe like crazy.

so it depends on what car you're running. if it's a 4-cylinder n/a you want to keep the diameters small, which means keep one exhaust pipe. if it's something bigger or forced induction, then you'll need more breathing room, which means more diameter, which means dual exhaust would be ok.

jimkk29
May 28, 2004, 6:35 PM
Simply adding a twin exhaust will not affect your torque at all. Besides, a dual exhaust is only useful in V engines.

M Technik
Jun 12, 2004, 3:25 AM
can somebody help me out!!!

i wanna know the advantages of twin exaust tooo.

thnx dudes!!!

There is no advantages of different exhaust layouts. The only difference is made when you fit a whole new exhaust system, from the engine to the mufflers.

jimkk29
Jun 12, 2004, 5:58 PM
The only difference is made when you fit a whole new exhaust system, from the engine to the mufflers.
And even then, it's not a great difference.

M Technik
Jun 12, 2004, 10:28 PM
Turbo cars can get immense power by replacing their complete exhaust system, and it makes sense, as the turbo uses exhaust to generate power. Get a bigger and free-flowing exhaust and you will get a lot more power!

jimkk29
Jun 13, 2004, 5:49 PM
Nope you won't get much just from the exhaust! Turbo cars get power from the turbo, not the exhaust system...

Mondeo Cosworth
Jun 29, 2004, 6:51 AM
The power is dependent on the internal pressure and retriction of flow coming from the exhaust, the easyer it is for the engine to 'breath' the more power u will achive, but it wont be very much. The most u could hop for is about 5-7bhp. I dont beleave that torque changes. Hope this helps.

12 inch pianist
Jun 29, 2004, 7:03 AM
Basically the higher u rev you want a shorter, wider pipe, all cars have their optonmin size, if you go over that you'll start losing power