Nissan 370Z Forum

Nissan 370Z Forum (http://www.the370z.com/)
-   Intake/Exhaust (http://www.the370z.com/intake-exhaust/)
-   -   + 370z Muffler Delete + (http://www.the370z.com/intake-exhaust/5136-370z-muffler-delete.html)

spearfish25 04-15-2010 06:42 AM

Not sure you want to keep the car that way. You'll have hot exhaust gases swirling around under the car. They can melt wires, discolor the underbody components and potentially get exhaust fumes inside the vehicle. You can always get some fab'ed tips like I did before doing a formal exhaust. (search for muffler delete and you'll see my threads)

Csquared 04-15-2010 08:59 AM

Quote:

Originally Posted by ddahron (Post 497320)
heres my poor man's exhaust mod:
http://img338.imageshack.us/img338/9316/photo0008o.jpg

Sorry for the crappy pic. There is an internal flange so 3-4 washers should allow for the muffler to be fully detached, leaving about 3mm of space. The exhaust becomes loud at 2.5k-3k+ rpms and there is no drone except for when im cruisin at 70mph, but the drone goes away when im going faster than 70mph.


How's that working out for you? Wouldn't it sound different from if you completely removed it?

Push370zzz 04-15-2010 10:54 AM

Quote:

Originally Posted by semtex (Post 83716)
Guys, I don't intend offense to anyone, but unless this actually produces a functional gain (i.e., power), this mod is rice, pure rice. It's a sound-only mod; the auditory equivalent to plastering stickers all over your car. All show, no go. Like a Toyota Tercel with a fart-can exhaust and a huge rear wing. Having said that, will it produce any real gains? I highly doubt it, personally, but we really don't know at this point. We need to have a before and after dyno test performed to know for sure. Again, I'm not trying to offend. I'm just calling it like I see it.

Lol...I did this to the Range, would you call me a "ricer"? If it does sound good, what's wrong with wanting it without spending 10x as much?

jtown82 04-15-2010 11:44 AM

Quote:

Originally Posted by Vegitto-kun (Post 497441)
just go all the way and get rid of everything.

including the headers.

I want to know how the car sounds then

that will hurt performance. not a single 370z pushing enough power that you would gain performance by removing the headers :P

ntm these cars dont come with headers stock. they come with exhaust manifolds ;)

jtown82 04-15-2010 11:47 AM

Quote:

Originally Posted by ddahron (Post 497252)
Why fabricate new pipes when you can use your stock exhaust without any modifications? What I did was remove the gaskets and replace em with 3-4 washers. Your muffler will pretty much be detached. Ill post pics up whenever I can.


im not sure im following what your saying. how would a few washers replace the gap of the muffler delete ?

Zsteve 04-15-2010 11:52 AM

If you want to save money and do a muffler delete (which I feel will net some small gains as the stock muffler is chambered and slightly restrictive), I would do some pipes with resontaotrs on it to help the noise some but still be free flowing and allow the deep tone. A muffler shop will be able to weld the resonators on the pipes real cheap like.

Zsteve 04-15-2010 11:55 AM

Quote:

Originally Posted by Csquared (Post 497129)
Are you guys sure there is no gains at all? I recall people claiming 3-5 whp with an axel back exhaust?! Isn't this basically the same thing? Or am I totally nuts.

The stock muffler is huge and chambered so having no muffler will net some gains, how much, who knows, as the chambered muffler will cause ristriction. Even if you put a striaght thru muffler on you will net some gains. And if you just use resonators then you tame the volume some and dont mess with the flow, and in place of resonators you could just weld some larger diameter piping in to act like a res. Its all kinda rice for me but Im sure it would work for a cheap mod.

semtex 04-15-2010 12:05 PM

Quote:

Originally Posted by smashwebs (Post 497669)
Lol...I did this to the Range, would you call me a "ricer"? If it does sound good, what's wrong with wanting it without spending 10x as much?

No, I'd call you a poser. But it's the same basic concept as a ricer. This mod is all show, no go, that's what's wrong with it. It's about making your car sound more powerful without actually being more powerful. I could be wrong, but nobody has done a before/after dyno to test for gains. But that's no surprise, because posers don't care about real gains, right? So why would a poser go through the trouble of doing dyno testing? Anyway, like I said, I'm just expressing my personal opinion. We can agree to disagree. If this "mod" floats your boat, more power to you. Maybe for your next mod, you can fake having a six-pack like this guy:

http://www.youtube.com/watch?v=q45Kml1lZnQ

Zsteve 04-15-2010 12:08 PM

Quote:

Originally Posted by semtex (Post 497725)
No, I'd call you a poser. But it's the same basic concept as a ricer. This mod is all show, no go, that's what's wrong with it. It's about making your car sound more powerful without actually being more powerful. I could be wrong, but nobody has done a before/after dyno to test for gains. But that's no surprise, because posers don't care about real gains, right? So why would a poser go through the trouble of doing dyno testing? Anyway, like I said, I'm just expressing my personal opinion. We can agree to disagree. If this "mod" floats your boat, more power to you. Maybe for your next mod, you can fake having a six-pack like this guy:

http://www.youtube.com/watch?v=q45Kml1lZnQ

I no see pic or video. It may be Im blocked here but I see nothing at all.

CBRich 04-15-2010 12:09 PM

I see this mod as nothing more than wanting a more pleasing sound without spending $1500. It doesn't mean the people doing want to make their car sound more powerful than it is. They just want a better sound.

NewlyIMPORTed 04-15-2010 12:12 PM

i think it sounded good from the outside but the drone inside was enough for me to put it back on within 24 hours of removing i just saved up a bit and bought a real exhaust

Zsteve 04-15-2010 12:13 PM

Quote:

Originally Posted by CBRich (Post 497729)
I see this mod as nothing more than wanting a more pleasing sound without spending $1500. It doesn't mean the people doing want to make their car sound more powerful than it is. They just want a better sound.

thats why I would do some pipes with resonators for a couple hundred max.

semtex 04-15-2010 12:26 PM

Quote:

Originally Posted by CBRich (Post 497729)
I see this mod as nothing more than wanting a more pleasing sound without spending $1500. It doesn't mean the people doing want to make their car sound more powerful than it is. They just want a better sound.

Yeah, could be. Different strokes for different folks, I guess. I have to confess that I often forget how important aesthetics are to some people, and sound is indeed an important aesthetic element.

CBRich 04-15-2010 03:54 PM

Yep, everyone wants something different. I tried this out just to see what it was like and it wasn't bad at all. Now that I've installed resonated test pipes I'm pretty sure my muffler needs to stay on.

ddahron 04-15-2010 05:26 PM

Quote:

Originally Posted by spearfish25 (Post 497446)
Not sure you want to keep the car that way. You'll have hot exhaust gases swirling around under the car. They can melt wires, discolor the underbody components and potentially get exhaust fumes inside the vehicle. You can always get some fab'ed tips like I did before doing a formal exhaust. (search for muffler delete and you'll see my threads)

Ive been driving around with this mod for over 2 months and there is no discoloration, fumes in the cabin, etc. During cold mornings, I can still see fumes bypassing the gap and entering/exiting the muffler. I got the idea from my brother who has been driving his wrx with this mod for years and no problems whatsoever. But if you want to be on the safe side, fabricate some pipes.

Quote:

Originally Posted by Csquared (Post 497556)
How's that working out for you? Wouldn't it sound different from if you completely removed it?

Ive only tested the car for about 20mins with a full muffler delete before i did this mod, so its kinda hard to recollect my experience, but I am pretty sure this mod toned it down a bit.

Quote:

Originally Posted by jtown82 (Post 497710)
im not sure im following what your saying. how would a few washers replace the gap of the muffler delete ?

As you can see in the picture, the gasket is replaced with a few washers, therefore leaving a gap.

jtown82 04-15-2010 07:16 PM

Quote:

Originally Posted by ddahron (Post 498147)
As you can see in the picture, the gasket is replaced with a few washers, therefore leaving a gap.

i guess im missing what you did to your exhaust. did you reattach your muffler back just without the gaskets? or did you have to remove the gaskets because your aftermarket pipes in place of the muffler? sorry i feel dumb atm since your picture only shows the washer area and i cant see what you actually had changed to your exhaust other than removing the gaskets

ddahron 04-15-2010 08:26 PM

^Yup, youre exactly right. All I did was reattach the stock muffler without the gaskets. But in place of the gaskets are a few washers on each bolt (4 on each bolt = 16 washers total).

CBRich 04-15-2010 08:28 PM

He seperated the muffler section and then gapped it out with washers. So it's pretty much disconnected but still hanging back there.

Zsteve 04-15-2010 08:30 PM

Quote:

Originally Posted by CBRich (Post 498368)
He seperated the muffler section and then gapped it out with washers. So it's pretty much disconnected but still hanging back there.

I would say most of the exhaust fumes are still going thru the exhuast and mufflers, the gap is just letting the sound out more than anything and I think that is the purpose of it.

jtown82 04-15-2010 08:30 PM

Quote:

Originally Posted by CBRich (Post 498368)
He seperated the muffler section and then gapped it out with washers. So it's pretty much disconnected but still hanging back there.

oh ok ahaha i was really lost for a while. so just that little gap changed the sound?

ddahron 04-15-2010 08:31 PM

^Yup, its basically a toned down version of a full muffler delete

jtown82 04-15-2010 08:38 PM

Quote:

Originally Posted by semtex (Post 497725)
No, I'd call you a poser. But it's the same basic concept as a ricer. This mod is all show, no go, that's what's wrong with it. It's about making your car sound more powerful without actually being more powerful. I could be wrong, but nobody has done a before/after dyno to test for gains. But that's no surprise, because posers don't care about real gains, right? So why would a poser go through the trouble of doing dyno testing? Anyway, like I said, I'm just expressing my personal opinion. We can agree to disagree. If this "mod" floats your boat, more power to you. Maybe for your next mod, you can fake having a six-pack like this guy:

http://www.youtube.com/watch?v=q45Kml1lZnQ

semtex your mentality is actually the pure definition of ricer.

Zsteve 04-15-2010 09:12 PM

Yea Semtex, I looked up ricer in the rice ionary and it came up with Semtex, and Zsteve. I guess buying useful parts and not destroying good parts is rice. LOL. But hey Im really a firm beleiver, that you do what you want to your car but and not worry about what others think as long as you are doing it cuz you want to and not cuz its what others do, so to each their own.

jtown82 04-15-2010 11:43 PM

Quote:

Originally Posted by Zsteve (Post 498438)
Yea Semtex, I looked up ricer in the rice ionary and it came up with Semtex, and Zsteve. I guess buying useful parts and not destroying good parts is rice. LOL. But hey Im really a firm beleiver, that you do what you want to your car but and not worry about what others think as long as you are doing it cuz you want to and not cuz its what others do, so to each their own.

it usually is ricer mentality to pay for things because they dont have the ingenuity to come up with modifications themselves so its understandable.

on a side note. the washer method works well. tried it. and its a very good blend of sound. It sounds almost stock under normal driving and only around 60+ can you really hear the exhaust over the wind/road noise. but under heavy acceleration it sounds really nice and very clean.

semtex 04-16-2010 07:33 AM

Quote:

Originally Posted by jtown82 (Post 498620)
it usually is ricer mentality to pay for things because they dont have the ingenuity to come up with modifications themselves so its understandable.

Yeah, paying for parts that are actually engineered and tested by professionals is rice. Hey, why even buy a car? I mean, let's be consistent here. Following your line of reasoning, you should have the ingenuity to come up with, and build, your own car. I mean, buying a pre-made car that someone else designed? Dude that's so rice!

http://i618.photobucket.com/albums/t...tard-Stage.jpg

batman_4 04-16-2010 10:19 AM

Quote:

Originally Posted by semtex (Post 498754)
Yeah, paying for parts that are actually engineered and tested by professionals is rice. Hey, why even buy a car? I mean, let's be consistent here. Following your line of reasoning, you should have the ingenuity to come up with, and build, your own car. I mean, buying a pre-made car that someone else designed? Dude that's so rice!

http://i618.photobucket.com/albums/t...tard-Stage.jpg

:werd: :rofl2:

jtown82 04-16-2010 10:40 AM

I see that semtex you like most Ricers blow things out of proportion also. are you one of those that when you lose to someone you make up thousands of excuses? i mean really why bring up designing a car. use some common sense at-least i know its hard for someone like you to accept the fact that you dont have to pay thousands of dollars to make some more power. your still the epitomy of Ricer. someone who has a bad attitude and is pessimistic towards others because you refuse to accept others opinions and only accept your own. and your posts have proven that.

NewlyIMPORTed 04-16-2010 10:42 AM

http://cuteobsession.com/wp-content/...omg-face-3.jpg

WShade 04-16-2010 10:51 AM

:argue:Can you guys stop now and get back on topic? :tiphat:

semtex 04-16-2010 10:54 AM

Quote:

Originally Posted by jtown82 (Post 498940)
someone who has a bad attitude and is pessimistic towards others because you refuse to accept others opinions and only accept your own. and your posts have proven that.

Reading comprehension really isn't your strong point, is it?

Quote:

Originally Posted by semtex (Post 497725)
No, I'd call you a poser. But it's the same basic concept as a ricer. This mod is all show, no go, that's what's wrong with it. It's about making your car sound more powerful without actually being more powerful. I could be wrong, but nobody has done a before/after dyno to test for gains. But that's no surprise, because posers don't care about real gains, right? So why would a poser go through the trouble of doing dyno testing? Anyway, like I said, I'm just expressing my personal opinion. We can agree to disagree.

Quote:

Originally Posted by semtex (Post 497744)
Yeah, could be. Different strokes for different folks, I guess. I have to confess that I often forget how important aesthetics are to some people, and sound is indeed an important aesthetic element.

Yeah, I can't accept anyone else's opinion. You got me on that one. :rolleyes:

semtex 04-16-2010 10:55 AM

Quote:

Originally Posted by WShade (Post 498965)
:argue:Can you guys stop now and get back on topic? :tiphat:

Aw..where's the fun in that? :rofl2:

theDreamer 04-16-2010 11:01 AM

Quote:

Originally Posted by jtown82 (Post 498940)
I see that semtex you like most Ricers blow things out of proportion also. are you one of those that when you lose to someone you make up thousands of excuses? i mean really why bring up designing a car. use some common sense at-least i know its hard for someone like you to accept the fact that you dont have to pay thousands of dollars to make some more power. your still the epitomy of Ricer. someone who has a bad attitude and is pessimistic towards others because you refuse to accept others opinions and only accept your own. and your posts have proven that.

Wow, did someone piss in your Cheerios this morning, geez.

FuszNissan 04-16-2010 11:05 AM

What are we talking about anyway?

batman_4 04-16-2010 11:06 AM

Quote:

Originally Posted by jtown82 (Post 498620)
it usually is ricer mentality to pay for things because they dont have the ingenuity to come up with modifications themselves so its understandable.

:facepalm:

theDreamer 04-16-2010 11:08 AM

Quote:

Originally Posted by jtown82 (Post 498620)
it usually is ricer mentality to pay for things because they dont have the ingenuity to come up with modifications themselves so its understandable.

Actually it is the ricer mentality to pay as little as possible to nothing to create a modification, the use of payment is meant to get a better, higher quality, more engineered designed product.

semtex 04-16-2010 11:08 AM

Okay, in all seriousness, and in an attempt to restore some civility to this discussion . . . I never stated that you can't make power unless you pay thousands of dollars or buy parts from a company or whatever. I just don't think this particular mod will yield gains is all. As I've already stated previously in this thread, I could be wrong. But nobody has done a before/after dyno on this as far as I know, so we don't know either way at this point. If someone does a dyno and proves that there are gains to be made, I will gladly eat a big slice of humble pie and revise my opinion that this is rice. And again, even if it doesn't yield any gains, to each his/her own. I've already acknowledged that doing something for the sole purpose of improving an aesthetic element, like sound, is perfectly legit.

FuszNissan 04-16-2010 11:09 AM

Quote:

Originally Posted by theDreamer (Post 498983)
Actually it is the ricer mentality to pay as little as possible to nothing to create a modification, the use of payment is meant to get a better, higher quality, more engineered designed product.

:iagree:

ftwayne370z 04-19-2010 10:27 AM

Well first off, took my muffler off and I thought my car sounded great. I will probably have my buddy fab up some pipes and tips for me soon. I don't see spending the money on the exhaust until I'm ready to do the twin turbo kit I have planned. I do think this "mod" of removing your muffler is meant more to change the sound of your vehichle rather than to gain any substantial amount of hp or torque. However, and correct me if I'm wrong, any increase in air flow should yeild some sort of performance gain. I mean a cat back you buy from a manufacturer is suppose to give you a power gain. Well this is more or less a cat back exhaust with the stock piping. You are still increasing the airflow by deleting the muffler so, even if by a small amount, you should gain power as well, of coarse, drop weight. Just my two cents. Either way I think it sounds great!

Gunzero 04-19-2010 02:15 PM

Can anybody fab me up some pipes.. I live in the middle of freaking nowhere and I would love to have some pipes. I'm saving up money for college and this would be a nice way to change the soft note of the stock exhaust without spending much.

batman_4 04-19-2010 02:34 PM

Quote:

Originally Posted by Gunzero (Post 503849)
Can anybody fab me up some pipes.. I live in the middle of freaking nowhere and I would love to have some pipes. I'm saving up money for college and this would be a nice way to change the soft note of the stock exhaust without spending much.

where in texas are you?


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