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Breathe Easy: Int. & Exh. Headers + Mufflers and Pipes



  • joe53joe53 Posts: 1
    I recently purchased an '05 Sentra Spec-V, and was looking online for a cat-back exhaust system and a cold air intake for it. It doesn't seem like I have a whole lot of options besides the over priced Nismo parts. I did find a pretty good price on a Magnaflow exhaust system of about $400. I was just wondering if anyone had any recomendations, or if one brand worked better than another with this car.
  • only1harryonly1harry Posts: 1,136
    is to visit Nissan or Sentra specific forums and talk to people that have different exhausts on their cars. Some exhausts are better than others but the only difference you 're going to notice is the sound or noise they make in the price range you mention.
    Most exhausts don't make a noticeable difference unless you pay $800-1K for one. Then you 'll be able to tell the difference. $400 doesn't sound like a lot for an exhaust. Most decent exhausts are $495-600 and the good ones like I said before are big $$! You will not get the most out of your exhaust without a header, especially since you 're getting a cold air intake. The intake will increase HP and torque, but you 'll need a header to quickly dispose of that extra air you 're bringing in to the intake manifold. A header always makes more noticeable power than an exhaust. With an exhaust alone, many cars especially 4cyls, loose some low end torque but gain some at the top end of the RPM range. The header helps restore that and even add some in the mid range, especially a 4-2-1 design, and makes better use of your aftermarket exhausts to realize even bigger gains. Think of it as one big continuous pipe. What you 're doing is making the beginning bigger, leaving the middle the same, and again enlarging the end of it. Another fact is, that you will make more power with an Intake & header alone, than with an Intake & exhaust, unless your exhaust is extremely restrictive which I don't think it is on the Spec-V (isn't your exhaust bigger to begin with than the base Sentra's?).
  • corollercoroller Posts: 3
    Is it bad to put a short ram intake with a heat shield on my 01 corolla s?
  • MrShift@EdmundsMrShift@Edmunds Posts: 43,700
    You mean the type that mount on the firewall?
  • corollercoroller Posts: 3
    i can't explain it but this is what it looks like image thats how the intake looks like and the heat shield image so is it ok to put that in my engine?
  • MrShift@EdmundsMrShift@Edmunds Posts: 43,700
    Yeah, I think it's okay but I'm not sure how much benefit you'll get. It kind of depends on how restrictive your normal airbox is, and also if this new filter ends up anywhere near a colder air stream than usual. I believe you gain about 1 HP for every 10 degree drop in temperature, so if this filter still sits under the hood and isn't way up front and down low, it's not going to be appreciably cooler. If the idea is to ram more air into the engine rather than try to cool it, that can also work up to a point, but again, don't expect to have your head jerked off or anything by some sudden rush of horsepower---not gonna happen.

    Best thing is to keep this filter clean as you can. Whether it works or not no one can say unless you actually put it on a dyno before and after. Sometimes the HP stays the same, sometimes you can gain 4-5 HP on the upper end of the rpm scale, and sometimes if the thing isn't designed very well, you'll actually lose HP.

    But have fun and I hope it works out for you.
  • corollercoroller Posts: 3
    This is what its going to look like imageimageimage
  • MrShift@EdmundsMrShift@Edmunds Posts: 43,700
    Yeah, the kind that mounts near the firewall, that's what I thought. I've seen 'em but havent' read any tests on them. Definitely not a cold air intake but the theory is that it will force more air than the stock airbox. You'll probably get a few HP out of that, I'd guess a maximum of maybe 6-8 and it could be less.
  • sudan1sudan1 Posts: 2
    Hi, I would like to know if I can add and modify the intake and exhaust system on a 1979 450slc? If so what brand should I use and how much am I looking at?
  • MrShift@EdmundsMrShift@Edmunds Posts: 43,700
    I don't think you'll find anything off the shelf for such an old engine as regards the intake system. Perhaps you could rig up some kind of cold air intake or short tube ram air from another car but that engine compartment is so crammed I rather doubt it.

    On the exhaust side, you might look into brands like Ansa and Borla or even perhaps Flowmaster, but again, the age of this car will limit your choices. As usual, anything custom made for Mercedes will be expensive, so you might have to get creative and speak to a muffler shop. I use an Ansa on my 1980 Porsche and am quite pleased.

    This is kind of a slow heavy car so I'm not sure what you are trying to accomplish--perhaps better fuel mileage?
  • sudan1sudan1 Posts: 2
    I want to add speed and agility to this old car. I'm planning on restoring this old machine with (hopefully) some new technology. Thank you 4 your quick response.
  • MrShift@EdmundsMrShift@Edmunds Posts: 43,700
    Well I think you should give up the idea of speed (car is too heavy and engine is too lazy) but what you can do to "go faster" is better tires and shocks and perhaps a front sway bar to firm up the ride. You'll enjoy driving it more. A freer flowing exhaust would make it sound nicer too I think.

    If you want an SL that is quicker and more agile but still looks like your car, you really want a 560SL. But I think trying to make your car faster would be very expensive and very frustrating in terms of results. Some engines are just not designed in that way.
  • mattsopmattsop Posts: 1
    After stumbling across this site and stumbling across this post, I have to say - be proud of who you are, there are too few of us around that will admit it!
    I too am the owner of another 1986 Hyundai Pony, and I know all too well of the troubles you face when trying to go out and pimp your ride, so hold faith, because you are not alone!

    In reply to your question, my 'expert' opinion would to be go ahead and giv'r. A lot of mufflers are universal fit, and built only in korea and canada still counts as universal, i suppose. You might have a bit of work fitting it to the exhaust pipe, though, I think it's something disgustingly small like 1 1/4" or something. But im acutally planning on rigging up a performance muffler on my next trip into the city, so i can keep you posted on what happens here.
    As to the tip, i dont think it makes too big of a difference, expecially on the Ponies. As long as you dont put something on meant for like drag cars that will give you no backpressure at all (although the rest of that 1 1/4 exhaust should give ample anyways) you should be fine.

    But if you ever come across anything in your travels regarding getting a body kit on a pony i would love if you could send it my way - i want one so bad!

    keep fighting the good fight, we're a small crowd out there - we should swap pics/tips sometime
  • purrnakpurrnak Posts: 4
    So I went an took an honest look at my Hyundai pony. Damn these things just won't die.

    List of things wrong with it:
    1. Head gasket was "repaired" with some goo the previous owner put on it. It's needed replacing for the last 3 years.
    2. The tires are bald to the point where I have to put air in one of them daily.
    3. The shifter knob broke off my second week of driving it and replaced it with a shift knob that didn't fit right.
    4. Windows have a plastic edge that pops up and scares the hell out of me when it's warm
    5. Ball joint on the right is gone (that's the tire that needs air daily)
    6. Gas gage only works when you slam on the breaks
    7. Everything leaks. YOu name it there's a drip
    8. Back left break blew a gasket and the break fluid ate away the breaks. Now I stop with pure force at times.
    9. If you look under the hood at night with no lights you see little blue sparks everywhere... FUN! this was fixed by putting in new spark plugs and cables.

    Okay getting to the point. The cars a piece of crap but it runs and it's sooo easy to tune up.

    I'm doing what people told me to do. I'm buying a car on Saturday 2 days (I'm going crazy) I'm getting a car that I have loved since the first time I saw it. I test drove it last week and I fell even more in love. A 1992 Talon. Beautiful car.

    I'm taking it to a garage for a full inspection so I can see where I need to put money in. I'm wondering if there are any points I should look at carefully.

    So far the known issues with the talon are the timing belt (Should be replaced every 50,000 miles or less or you get hit with a $2000 job. Anything else I should know.

    Last question: Anyone know a good forum specifically for this car? I want to do a lot of mods over the next few years on it and wouldn't mind a place to fall back on if I have questions. (The engine looks like a pain to work in compared to the pony, but after looking at the engine on pages for days and days, it doesn't look that bad.)
  • fredmcmurrayfredmcmurray Posts: 215
    Actually, if your Talon has the 1.8 liter engine, a broken belt will only leave you stranded. It is not an interference engine. If you have the 2.0 liter, then you really want to stay on top of belt maintenance, as it is an interference engine.
  • anndruu12anndruu12 Posts: 1
    I just purchased an '05 VW GTI 1.8T and am looking to put an aftermarket exhaust on. I have always been into the Japanese Import Scene but am trying to get into the Euro scene. I am looking for an aftermarket exhaust of high quality and a good sound. I don't want any buzzing and a loud annoying exhaust noise. I had been looking at a few and I will post links.
    1.) The one on there is of course the only one that fits the Golf IV.
    2.) ode=vwg_t_tb
    I was looking at the 2.5 inch turbo back
    The second on the page
    I do not know which system there would be best for my car.

    Thanks ahead of time for all your help and guidance.
  • only1harryonly1harry Posts: 1,136
    You will have even worse luck with your '92 Talon. They 're nothing but trouble once they get up over 100k mi. I know because my neighbor has one, 2 of my friends had one and my best friend owns a garage and says the old Eclipses & Talons keep him in business sometimes.

    After 100k mi., you will have expensive repairs not like that older car you were talking about. You 'll have check engine lights come on, you 'll need a new tranny, new computer, electrical problems, etc. We 're talking big $$ to keep your Talon running. Good luck, you 'll need it.
  • bginsberg1bginsberg1 Posts: 10
    I'm looking for ANY WAY to increase my gas mileage and I'm thinking of putting a Gibson performance muffler on my truck. From what I've read, it should increase my mpg by maybe 2-3?

    Has anyone else out there done this to a similar V-8 engine and if so, can you share what, if any, benefits you're seeing now?
  • fredmcmurrayfredmcmurray Posts: 215
    I seriously doubt an exhaust is going to raise your MPG by that much. That's, what, a 15-20% increase? I'd be surprised if there a difference you could detect at all.
  • MrShift@EdmundsMrShift@Edmunds Posts: 43,700
    You'd have to have potatoes stuck up your exhaust pipe to have such an increase with a new muffler. I agree, it won't make any difference, especially if your car has a catalytic converter.

    If you bought an efficient and complete "cat-back" exhaust system with free-flow catalytic as well, you might get 3 or 4 horsepower and perhaps a teeny bit better mileage.

    If mufflers could increase mileage 20%, manufacturers would have installed them years ago obviously.
This discussion has been closed.