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-   -   Which exhaust? (https://www.gtr.co.uk/forum/162236-exhaust.html)

minerva 11th March 2012 05:23 PM

Which exhaust?
 
There are several different systems available. A simple check on ebay will show various that all look fine. I am keen on replacing the Y pipe and the cat back for increased performance potential. However, I am very keen on being allowed onto race tracks, so am keen on the noise level not creeping up too much.

Does anyone have any experience on any of the individual manufacturers systems? Milltek seems to be the most popular, since it appears that both Litchfields and SVM use them, but I am ever on the look out for a cheaper alternative!

tomgtr 11th March 2012 05:27 PM

Congratulations, you are the 100th person starting a thread on this subject. You win : a free course "how do I use the search button on this forum" :flame:

Adamantium 11th March 2012 05:35 PM

Look on alibaba, you can get some nice cheap Chinese titanium exhausts.

SamboGrove 11th March 2012 06:59 PM

Milltek do a nice stainless steel one which is well made and will definately get you on to the track. A little quiet for my tastes though. Akrapovic do a very nice but pricey titanium system that should also get you on pretty much every track with the added bonus of a tasty weight saving as well :thumbsup:

tomgtr 11th March 2012 07:36 PM

Quote:

Originally Posted by SamboGrove (Post 1592840)
Milltek do a nice stainless steel one which is well made and will definately get you on to the track. A little quiet for my tastes though. Akrapovic do a very nice but pricey titanium system that should also get you on pretty much every track with the added bonus of a tasty weight saving as well :thumbsup:

Hmmm, if you want to be cheaper that the very reaonable priced Miltek system Akrapovic is not the 1st logic choice...

petersafc 11th March 2012 08:56 PM

Why do people complain when some one asks a question, what's the point of the forum, might as well have shut it down after a year and just let people search!!

:blahblah:

I have a gtc Titan 80 mm and gtc ti y pipe non resonated. I had it sound tested at 103db so I can get on most track days!

It is a great exhaust with a crazy sound!

Armanc1 11th March 2012 09:23 PM

Quote:

Originally Posted by minerva (Post 1592804)
There are several different systems available. A simple check on ebay will show various that all look fine. I am keen on replacing the Y pipe and the cat back for increased performance potential. However, I am very keen on being allowed onto race tracks, so am keen on the noise level not creeping up too much.

Does anyone have any experience on any of the individual manufacturers systems? Milltek seems to be the most popular, since it appears that both Litchfields and SVM use them, but I am ever on the look out for a cheaper alternative!

Well I went for the XSPower titanium version as not being located in UK. It is going to be installed in a week or two, so keen to do a sound level measured as the car is being prepared for the track use. With secondary cats removed my target is 98-99db, but we will see if it turns out realistic...

minerva 12th March 2012 06:50 PM

Thank you all. Although there is lots of information about exhausts, there is not too much about the sound levels....

I would love, just love, to able to walk in and demand the Akarapovic system, but the car itself was stretching finances enough.

I was really after a cheaper alternative, but have that old mantra 'buy cheap buy twice' ringing in my ears.

The cheap chinese ones may be okay, but the first I will know about it being too loud is when i get refused entry to a track day. I will look into the others mentioned here.

minerva 12th March 2012 07:02 PM

[QUOTE=Armanc1;1592961]Well I went for the XSPower titanium version.... With secondary cats removed my target is 98-99db [QUOTE]

I think that the XSPower one looks very similar to one sold by 'topgear', in the UK. I can order the whole system from the US (downpipes, Y pipe, cat back) for $1600 ($1300) if I lived in the States.

I am doubtful, looking at it, that 99db is realistic. It looks like a straight through pipe to me. Good luck!

minerva 12th March 2012 07:05 PM

[QUOTE=Armanc1;1592961]Well I went for the XSPower titanium version.... With secondary cats removed my target is 98-99db[QUOTE]

I think that the XSPower one looks very similar to one sold by 'topgear', in the UK. I can order the whole system from the US (downpipes, Y pipe, cat back) for $1600 ($1300) if I lived in the States.

I am doubtful, looking at it, that 99db is realistic. It looks like a straight through pipe to me. Good luck!

Armanc1 12th March 2012 07:50 PM

1 Attachment(s)
[QUOTE=minerva;1593399][QUOTE=Armanc1;1592961]Well I went for the XSPower titanium version.... With secondary cats removed my target is 98-99db
Quote:


I think that the XSPower one looks very similar to one sold by 'topgear', in the UK. I can order the whole system from the US (downpipes, Y pipe, cat back) for $1600 ($1300) if I lived in the States.

I am doubtful, looking at it, that 99db is realistic. It looks like a straight through pipe to me. Good luck!
Here is the system. The mufflers I believe is straight through design, but then again many "genuine JDM" systems are built like that...

Satan 13th March 2012 08:21 PM

Quote:

Originally Posted by Armanc1 (Post 1592961)
Well I went for the XSPower titanium version as not being located in UK. It is going to be installed in a week or two, so keen to do a sound level measured as the car is being prepared for the track use. With secondary cats removed my target is 98-99db, but we will see if it turns out realistic...

Hi. I am new to the forum and a new (now skint!) owner of a 59 plate black / black GTR. I am also looking at the XS power titanium option in the 90 mm with the resonated Y pipe. I would be most interested in your thoughts and opinion on the sound of your fitment. I loves that "zinging" sound that you get with a Titanium system. Please let me know how you find it.

CT17 13th March 2012 08:33 PM

FWIW I went for the Milltek specifically because it's track friendly.

Many of the others sound nice and will wake your neighbours up (if you have any), but I wanted to be able to put the car through it's paces off the public road. :)

Armanc1 13th March 2012 08:34 PM

I sure will share my thoughts as it will go on the car next week. Hope it fits well though the noise level is my biggest concern as the car is going to see some use on Spa and Ring. Spa is 105db....

saucyboy 13th March 2012 09:11 PM

I'd be interested to hear from any one that has the XS Power exhaust fitted. Just been looking on their site and a stainless 3inch system Y-pipe and rear section seems to come in around 850, which is fantastic.

I'm after a loud system (I know childish lol) and am not worried about track db. Like to know what owners think about the fitment and quality if poss :thumbsup:

sw20GTS 13th March 2012 09:16 PM

Akropovic

Armanc1 13th March 2012 09:29 PM

Quote:

Originally Posted by sw20GTS (Post 1594081)
Akropovic

I would assume it being too loud for most of the trackdays with limits of 105db. Design wise the 90degree bends at 1to2 ar not the best solution for the flow.

sw20GTS 13th March 2012 09:43 PM

Quote:

Originally Posted by Armanc1 (Post 1594094)
I would assume it being too loud for most of the trackdays with limits of 105db. Design wise the 90degree bends at 1to2 ar not the best solution for the flow.

I don't think it exceeds track limits. David.Yu has one on his GTR I think and it sounds awesome! On their website they claim good gains too.

Armanc1 13th March 2012 10:31 PM

1 Attachment(s)
Here is the Dynograph off their site.This is for full Akra Evo system including y-pipe. The gains are not that great knowing that they compare it to stock system with cats as a baseline. I would assume that 17hp difference is hardly to be felt past 5k RPM. I would think that Miltek or any other system which replaces the y-pipe will demonstrate exact same performance. Im not saying it is a "bad" system just want you to see/challenge what the manufacturers are trying to make us believe.... In my oppinion if you like the design and sound then GTC TITAN is the system for you to consider.

nick the tubman 13th March 2012 10:48 PM

i have the JapSpeed System. turbos back... and its awesome. bloody bargain too.

they do a street and circuit version. i have the street at present (spelt LOUD) but getting the track version fitted on thursday i think...


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