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Thread: Dual Exhausts...fabrication?

  1. #21
    Maximum Bitrate jzgt's Avatar
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    Quote Originally Posted by sdashiki
    Wow two nice people in a row, after a couple of downers. Its like I just got off the smack and got into the crack!

    Anyway,

    "I'd go get another factory muffler, take it and my car to a good exhaust shop. Have em cut your exhaust and weld in a Y pipe, then have them weld your new OEM muffler to the Y pipe. They can then weld on some hangers, brackets, and all that other good stuff to mount it all. Once you're finished it will look very nice. Here is an example:

    http://memimage.cardomain.net/membe...854_52_full.jpg"

    Exactly what I was thinking. But as mentioned, the back pressure, is there a way to feel that when its not high enough or w/e the problems from this setup could be?

    I am not planning on getting any body kit, i think the factory one for the matrix only has a good looking front, the sides and back are nasty.
    Hey man, you know...crack is wack

    I don't suspect you'd see any real 'problems' with a lower back pressure in your exhaust - especially with your desired setup. If anything, it would just be a reverse of the potential gain...maybe one horsepower. If you do change it from the muffler aft, it's such a small change in volume that it wouldn't likely do much of anything in the way of + or - HP.

    - Jeff
    95 Mustang GT Convertible
    87 Mustang GT Convertible
    My Project | Let's Go Mets! | SCT Tuners

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  2. #22
    Constant Bitrate
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    i was just messing with you, i know how much hp your car has, and when you post something like "i want dual exhaust on my matrix!" it sets something off in my head "RICER!" most people do it, and it looks like ***. i just hope you don't do it, and it looks like that. you said you wanted dual exhaust to get more performance out of the car. if you want that, you're better off getting forced induction.

    an exhaust alone won't do it for you, specially not on a matrix. all you'd get is an annoying loud sound coming from your car and less torque.

    i've only had 7 posts, but that doesn't mean anything, i've been on these forums for over a year, just never registered.

    in conclusion, your car has 130hp, it won't go much higher unless you spend big bucks.

  3. #23
    Constant Bitrate Maukio's Avatar
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    Quote Originally Posted by fventura03
    you said you wanted dual exhaust to get more performance out of the car. if you want that, you're better off getting forced induction.
    That's so true. It's kind of the standard to get an aftermarket intake pipe, header, and exhaust as your first upgrades to your car, but really I just see those as huge wastes of money. The only way to get decent power for the buck is with FI (at least with most of our low compression stock motors). If you actually are wanting some power go get yourself a small dry shot nitrous kit. I'm not saying don't do the dual exhaust, I'm saying just don't think of it as a performance enhancement and don't tell people it's a performance enhancement either. That's when you get called a ricer or n0000b. I completely understand wanting to make your car look real sleek and clean. Just understand that dual exhaust is a 100% cosmetic thing. I'd make a few calls, see how much it's going to cost, and then decide if it's worth the money. I wouldn't think it would be all too expensive. Other relatively minor comsetic enhancements are expensive. A lip kit, for example, after being painted, etc can cost a pretty penny.

    And really, I wouldn't worry too much about a loss of backpressure. It's not like you're wanting to change to a 3" downpipe and then 3" exhaust the rest of the way back, catless with a really free-flowing muffler. I just don't see it being a major issue. I doubt you will feel any change at all if you got a Y pipe and added another muffler.
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  4. #24
    Maximum Bitrate jzgt's Avatar
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    Quote Originally Posted by Maukio
    That's so true. It's kind of the standard to get an aftermarket intake pipe, header, and exhaust as your first upgrades to your car, but really I just see those as huge wastes of money. The only way to get decent power for the buck is with FI (at least with most of our low compression stock motors). If you actually are wanting some power go get yourself a small dry shot nitrous kit. I'm not saying don't do the dual exhaust, I'm saying just don't think of it as a performance enhancement and don't tell people it's a performance enhancement either. That's when you get called a ricer or n0000b. I completely understand wanting to make your car look real sleek and clean. Just understand that dual exhaust is a 100% cosmetic thing. I'd make a few calls, see how much it's going to cost, and then decide if it's worth the money. I wouldn't think it would be all too expensive. Other relatively minor comsetic enhancements are expensive. A lip kit, for example, after being painted, etc can cost a pretty penny.

    And really, I wouldn't worry too much about a loss of backpressure. It's not like you're wanting to change to a 3" downpipe and then 3" exhaust the rest of the way back, catless with a really free-flowing muffler. I just don't see it being a major issue. I doubt you will feel any change at all if you got a Y pipe and added another muffler.
    I agree, as I said, his car wouldn't have a problem with back pressure if he is going to change just at the point of the muffler.

    Yeah...it's funny, no matter what group of people and what car type they like, it's the same...In Mustangs, people would swap intakes and put bigger throttle bodies on and not see any improvement...in fact they would see a drop off in performance. The reason is, you need to isolate the weakness of your motor. For example, the common swap, as I just laid out, for 87-93 Mustang was to increase flow in the intake, when that was not where the bottle neck was. The heads were the culprit. It's the same with any engine. They're just air pumps... If you decide you want to increase flow after combustion, and you haven't done anything to increase flow before and during, you're just wasting your time and money.

    I do agree with sdashiki that those dual cutouts on the bumpers look dumb without a second pipe on that side..

    I have an idea...sdashiki - here, you can borrow my turbo...but you might have a lag issue



    - Jeff
    95 Mustang GT Convertible
    87 Mustang GT Convertible
    My Project | Let's Go Mets! | SCT Tuners

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  5. #25
    FLAC sdashiki's Avatar
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    They make a TRD turbocharger for the XRs matrix, which is the Celica GT-S engine.

    $3000 i think, but you get factory warranty

    First comes carputer, then "performance" parts which is more gas mileage than quarter mile timest, and finally aesthetics, like rims.

    Anyway....so would getting a CAI do anything for my engine? I never had a brand new car, and its been 3 yrs now, soon ill own it and can afford **** to "enhance" it.
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  6. #26
    Maximum Bitrate jzgt's Avatar
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    Quote Originally Posted by sdashiki
    They make a TRD turbocharger for the XRs matrix, which is the Celica GT-S engine.

    $3000 i think, but you get factory warranty

    First comes carputer, then "performance" parts which is more gas mileage than quarter mile timest, and finally aesthetics, like rims.

    Anyway....so would getting a CAI do anything for my engine? I never had a brand new car, and its been 3 yrs now, soon ill own it and can afford **** to "enhance" it.
    A cold air setup could help you a little. I wouldn't expect massive gains from it, but it would smooth out the intake tubing, causing less turbulance and better flow. Look at it as a step to getting to where you ultimately want to be. If you're going to go with a turbo, it could ultimately help, provided it can be used with the kit. I am not familiar with many turbo kits for the Matrix, but I did see one with an IHI VF23 - a complete kit for it with an intercooler...I can't remember who makes it, but I'll look around for the car. But you can always sell the stuff you replace...I know with my car, if I had a CAI, I wouldn't have been able to use it with my blower setup, but they made a similar setup for the blower (Power Pipe - massive blower inlet tubing) which replaced an ultra reinforced piece of what looked like clothes dryer vent tubing . That helped - it actually increased boost by over one pound because it allowed the blower to process more air.

    Heck, the first mod on a stock Mustang is to remove the air box 'silencer' (this conch shell like creation that was invented to quiet the sucking noise of the engine). So, yeah a CAI could help - but like I said, I wouldn't expect huge gains..


    - Jeff
    95 Mustang GT Convertible
    87 Mustang GT Convertible
    My Project | Let's Go Mets! | SCT Tuners

    Project Status [===#===] [Bezel and dash creation]

  7. #27
    Constant Bitrate Maukio's Avatar
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    I got a SRI and my friend got a CAI intake, both on our Accords. All my SRI did was make my car freakin scream when I got on it, and all my friend's CAI did was make his car a little louder. I have since put my stock airbox in without the resonator (or silencer as Jzgt is calling it for Mustangs). I haven't noticed any change in power from the switch to the SRI or back to the stock airbox. My friend with the CAI says the same thing. Fortunately I wasted less money than he did. There are also thoughts that having a metal pipe for intake is counterproductive in that it will get hot and might make the air coming in the engine a bit hotter, whilst the stock airbox is plastic and doesn't get hot to the touch.

    In short, I wouldn't recommend getting an intake unless, like Jzgt said, it will work with your future turbo plans as a charge pipe.
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  8. #28
    My Village Called 0l33l's Avatar
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    Hmmm... I was thinking. If you convert a factory exhaust car to a single exhaust then does that make you a ricer

  9. #29
    Constant Bitrate Maukio's Avatar
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    Just depends how cleanly you do it. Do you have true dual exhaust? Or just dual mufflers? If they are dual but they come together to one cat you could do it pretty easily. Or if it's just one a muffler with dual tips, that would be pretty easy also.
    '99 Accord LX
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  10. #30
    FLAC john1701's Avatar
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    you think I can put dual exhaust on my honda?
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