I've had it on for a couple days, and to me, it's just not that loud. The way people were talking, i was expecting it to be really loud. I know most people with an exhaust have test pipes, but i don't, would they make it any louder? I'm probally considerably younger than most members (16), and loud to me may just not be the same as loud to them.

 

I have the tanabe and its loud to most people but dosnt bother me, I think it sounds good. I put test pipes on my car and it got very very loud, and raspy. I couldnt even hold a conversation in the car with a pasanger. I took them out and went with hi flow cats, it back to about what it was before maybe a little louder. Good luck.

 

Heh... I have a Tanabe Exhaust and it is really loud... Once I put in test pipes it was unbearable (well, maybe not unbearable cause they are still in). So yeah test pipes will make em louder. But, remember loud exhausts attract popo almost as much as playin NWA - #$^& da Police on a 1000watt system does. :P So yeah be careful.

 

It is definately loud. I had people that wouldn't even ride in the car with me when i had the silencers out. I'm getting something else.

 

somehow my silencers didn't come in my box, but i contacted RS*R and they're sending me a free set, but now that the exhaust is on, i couldn't imagine using them, my exhaust just isn't loud...

 

haha, i dont see how you can think that but i guess that is better for you. Unless you have a hearing problem. I even have a slight hearing problem and it is very loud. It does look stupid with the silencers in though, i've always though they look like little torpedos (you will see what i'm talking about when you get them). You dont have FI do you? cause that will quiet it down some

 

no F/I

 

I have an RSr setup and to me, it was borderline loud. I used to have a 3G eclipse with Magnaflows and it had the worst droning from about 2K-3K rpms. Compared to the RSr, the RSr isn't really that loud. I'm putting test pipes on mine since the TT made it sound like stock

 

Don't take this the wrong way, but I will just state the obvious.

Since you said the silencers didn't come in the box you are positive that they aren't already installed in the canisters. Without the silencers in the tips should be about 4" wide. Big enough to put your fist inside.

If the silencers are in the the opening is about 2" and it has three fins on it, kinda like the end of a rocket.

Again, not a flame just stating the obvious. I'm suprised the silencers didn't ship with your exhaust.

I'm just suprised you don't think is loud. The RS*R exhaust measuered 110 decibals on my SPL meter from 50 feet away. That's pretty loud.

Look at this list, it's interesting....

95dB - Sustained exposure may result in hearing loss
107dB - Power mower
110 dB - Power saw
125 dB - Pain begins

 

For what it's worth, here are the US Department Of Labor's (and OSHA's) noise regulation guidelines. These are the maximum hours per day they allow a person be subjected to certain sound levels without hearing protection. These measurements are A-weighted, of course.

90dB - 8 hours
92dB - 6 hours
95dB - 4 hours
97dB - 3 hours
100dB - 2 hours
102dB - 1.5 hours
105dB - 1 hour
110dB - .5 hours
115dB - .25 hours or less

Personally, I would hate to be subjected to 90dB for 8 hours per day, but I guess that's just me. I wonder what that RSR or Injen exhaust does inside the car. Louder, quieter than outside?

 

Holy cow! That is a loud damn exhaust. California law limits exhaust loudness at 95dB, although I don't recall what the distance is. Out of curiosity, under what conditions did you measure this? Surely this isn't just revving the engine? Under full load, an exhaust will typically be much louder than if you just rev it. To get 105dB, I'm guessing you had someone drive by at full throttle? And make sure you use slow-reaction A-weighting. That's how all these guidelines and laws are measured.

 

Yea, I was suprised too. The reason I was testing it was because a cop had walked up to my car once while I was downtown and wrote me a summons to court for an illeagal exhaust. Yes, he "walked" up to my car. The state maximum in CT is 80 db, which is terrible.

When I tested it, I did it in wide open parking lot, no cars or walls around. I couldn't do it at my apt cause I didn't want to be obnoxious.

Paced offed 50 ft, while my roomate was in the car and held the SPL meter at waist height. Then he reved the car up to redline and backdown again a couple times.

The weighting was set to A, however I am pretty sure I had the reaction set to fast.

At redline the exhaust peaked at 110-115 dB. It probably would be a little lower with slow reaction probably 100-105 dB.

I'd do an in car test for discussions sake, but the car is in the garage in another part of the state for the winter. But luckily with this exhaust it's at it loudest in the car at 3,000 RPM's. After that the in car ambience goes down at you get closer to readline. Must just be the acoustics in the car...

It's 8* out today!!!

 

Wow, it was that loud while just revving? Man, that's crazy. You need to have someone drive by at full throttle and measure it. I find that all the exhausts I've owned are much louder at full engine load than just revving, which produces very little engine load.

Regarding rpms, my Nismo is also loudest at about 3k rpm. Quiets down quite a bit as the revs get higher.

 

It'd be interesting to see what it measures out to be. I've noticed the same thing, that all the exhausts I have owned have sounded much louder and more agressive under engine load.

 

I've been meaning to run the exhaust at the track again without the silencers. I've only done this once but this was before they set a 98db limit. Don't know how far away they measure but it would suck to get black flagged and lose out on some track time. My guess would be that it would not pass at WOT. Maybe it would be OK if you lift when passing the monitoring station but that seems like a waste of time compared to simply runinng the exhaust with the silencers in.

 

I've heard that some pro race cars do this when they know where the monitoring stations are. When I was at Laguna Seca for the Speed GT series races, I was standing by one of the sound stations. It was a fairly straight, uphill part so most people had it floored straight past that point. But you could hear some of the guys lift a little right near the sound station then get back on it once they had passed. Hmm...

 

Regarding they silencers, wouldn't they reduce flow? I'm assuming the only reason you'd ever pull them out is to increase the flow rate, correct? (Or to make yourself deaf...)

 

Yo dude im 19, got my Z when i was 18 and i love loud cars too. I have an exhaust set up that i guarentee is louder than the RS*R and i put test pipes in and i didnt like it. The sound you have right now thats loud but sounds good totally changes to a higher pitch that is just very unattractive, the ladies will not like it trust me. I ended up taking the car to a local muffler shop and they welded in high flow cats into the test pipes. The high flow cats are much louder than the exhaust was with stock cats, but not high pitched like the test pipes were.

 

Zpeed350 you have a pm

 

You can get resonated test pipes for exactly that reason. They basically just look like gutted cats and act like little tiny mufflers. Here is one example for the Z:

http://www.kinetixracing.com/index.a...WPROD&ProdID=3