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I have a rb26, running stock turbo but plan on upgrading to newer twin turbo.

I was wondering if anyone dynoed their dump pipe to see if all those 700$ nismo,tomei,mine's dump pipe are worth the expensive price or better put the money elsewhere..

Any dyno chart to back it up!?

Thanks a lot guys!

Yeah if you can get R34 GTR dump pipes grab them and save your money, but everyone has cottoned on to this and R34 GTR owners seem to be keeping their dump pipes. How selfish!

How much should I expect for the r34 ? Because I can get mine's for approx. 200$ ( I think the guy don't know how much it's worth hahah!)

By the way, I have a R32 GTR.

Edited by cobrAA

i got Mines dump pipes when i had my R32 turbos changed for 2860-5's.

i dont think that the dump pipes really make much of a difference, the sound was a little different thats all really.

i paid 350 second hand to have them installed along with my turbos.

not too bad, but still not cheap.

but at least it wasnt what they're asking for them brand new.

i got Mines dump pipes when i had my R32 turbos changed for 2860-5's.

i dont think that the dump pipes really make much of a difference, the sound was a little different thats all really.

i paid 350 second hand to have them installed along with my turbos.

not too bad, but still not cheap.

but at least it wasnt what they're asking for them brand new.

that it.

Even if it's 200$. I don't want to pay for something that wont do anything to my car lol!

i got Mines dump pipes when i had my R32 turbos changed for 2860-5's.

i dont think that the dump pipes really make much of a difference, the sound was a little different thats all really.

i paid 350 second hand to have them installed along with my turbos.

not too bad, but still not cheap.

but at least it wasnt what they're asking for them brand new.

I think they do a bit more than just change the sound. :happy:

sorry, it was on an sr20

but you'd think it says a fair bit about dump pipe design across all engines/turbos

unfortunatly the thread got deleted as one of the companies who's got tested complained or something.. sigh

Edited by gfunkk
that it.

Even if it's 200$. I don't want to pay for something that wont do anything to my car lol!

you own a GTR, what costs as little as $200 that will make any REAL power difference.

it made a difference to how it sounded when on full boost, and it probably made some small difference in power.

who really cares, it got done when i had the turbo's changed as most GTR owners do unless they got R34 dumps already.

there are probably other things that it helps like flowing more gas and heat from the turbo's.

i dont have dyno sheets to back my power up, just giving my honest opinion.

if you wanna change your dump pipes you can, if you dont its not going to make a real difference. its just whether you want to spend the money or not.

sorry, it was on an sr20

but you'd think it says a fair bit about dump pipe design across all engines/turbos

Unfortunately - that is a big fat no!

R33 dumps i've also been told by a little biride have done 380rwkw as well, 20psi.

Identical result to cars with Tomei dumps, R34 dumps etc. So there is certainly no issue neccesarily.

I have factory R33 or R32 dumps on mine - 280rwkw @ just over 1bar.

identical result as before when i had much larger trust split dumps on there. I had to sell them due to ride height problems, otehrwise i guess i'd never have seen it.

I'll make around 330rwkw @ 20psi, which is the norm for GT-SS's, plenty of setups with stock dumps have done that with ease.

The car in question that makes a claimed 380RWKW would be mine and, yes it uses factory R33 dump pipes. But for that price l would give them a go. If you see no gain you can always sell them and get your money back. Although my car makes the above mentioned power, l am thinking of buying a set of trust extention pipes as l have been offered a set at a good price. looking at after market dump pipes compared to the standard ones, the after market dumps you would think would make some type of power gain.

Unfortunately - that is a big fat no!

R33 dumps i've also been told by a little biride have done 380rwkw as well, 20psi.

Identical result to cars with Tomei dumps, R34 dumps etc. So there is certainly no issue neccesarily.

I have factory R33 or R32 dumps on mine - 280rwkw @ just over 1bar.

identical result as before when i had much larger trust split dumps on there. I had to sell them due to ride height problems, otehrwise i guess i'd never have seen it.

I'll make around 330rwkw @ 20psi, which is the norm for GT-SS's, plenty of setups with stock dumps have done that with ease.

hmm, they may be able to handle 380kw but what about the dyno sheets comparing the different dumps? i think the advantage of well designed dumps was faster spool and more torque,, not really raw power

my mate who is pretty "in the know" sent his aftermarket dumps to CES to get honed out a bit more too

but yeah im not the expert just going of what ive read

^ well when this "birdie" is one of the most experienced RB tuners in the country, if he tells me it's as good as a aftermarket dump - fitted car...

I'm highly inclined to believe such a statement. If i remember to get some dyno sheets @ some point (details removed), then ill get a hold of them.

I'm not for a second saying a R33 GTS-t (or SR20's) for example, see's no benefit. Just the example we are talking about at hand doesn't

I went with R34 because they were 2x cheaper the price of the mine's ( 2 peoples were selling an used set).

Thanks for the head up. I'm sure it will be better than my stock one!

Also, Tomei diameter is 60mm just like the r34. So, beside the material, I can't see a difference.

By the way, just to make sure, are the r34 dump bolt-on on the bnr32 ?

Edited by cobrAA

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