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R34 Gtt Exhaust Options

viper2002

By viper2002,
in Engines & Forced Induction

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scotty nm35 Grand Master

scotty nm35

Posted
Posted

Psssh, I have two of them! :P

How does that system actually work? Because looking at it, I actually thought it was a better (i.e, far easier to hide) system than Scotty's "external gate on housing" setup.

Then again, why not just simply make the dump diameter that size?

This isn't an external gate, it's a crappy exhaust bleed off gate.

If your exhaust is building that much pressure then it's simply not flowing enough, and as I would explain to a customer, 3 inch is too small for 400kw. I guess if you researched a little Tao you would have known that, but hey perhaps the carbon monoxide is doing it's job. :P

How are your steering rack boots?

Kinkstaah Grand Master

Kinkstaah

Posted
Posted

Yes, but an exhaust bleed off gate and an external wastegate/screamer really has the same effect ultimately, which is to reduce pressure in the dump/immediately after the turbo.

This seeeeems like it's easier to hide, easier to setup, etc. Then again, maybe the answer is to run a comically large dump pipe. 3in into 6in on a 45 regree angle anyone?

Would have been nice to see how well my setup actually ran, if it would you know, actually run.

  • Like 1
Ben C34 Grand Master

Ben C34

Posted
Posted

Tao, how about instead of a weird spring flap thing, you put an external gate on it. Yeah. An internal gate turbo, then your weird dump then an external gate on the dump. Gate city.

Use boost applied to bottom port to open the extra external gate. Then can have a solenoid to keep it shut if you want to boost past an rbt or heaps cops.

I might just patent that idea.

More gates equals more better.

Kinks Grand Master

Kinks

Posted
Posted

Get a JJR bellmouth dump pipe and venom high flow cat

Dump pipes / cats make no different to the noise, only flow. I have the above on the standard catback and it is as quiet as a mouse.

Get a custom catback exhaust made up. DO NOT SKIMP on the catback. My cheap catback is deafening at 2000 RPM which is where a street car spends 90% of its time. It's quieter when you are at 3000+, which is the opposite of what it should be. I went back to the standard catback and the shit exhaust is currently in my garage waiting for me to figure out how to get rid of it (probably to scrap metal recycler).

  • Like 1

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