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Old Sep 13, 2009, 09:45 AM
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O2 housing question
Hi, i want to put a 3'' TBE on my IX and i wondering if there is a big power difference between a 2.5'' and a 3'' O2 housing?
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Old Sep 13, 2009, 09:50 AM
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They do help. A couple of years ago David Buschur used a Cheapo Ebay unit and picked up 15WHP on his race car. Also Evo Power Mods makes a KILLER Piece, one I use, it is an Open Dump, lets all the exhaust gas right out of the car.



Look at this bad boy. I run this and it rules.


http://evopowermods.com/
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Old Sep 15, 2009, 07:59 AM
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Originally Posted by High_PSI
They do help. A couple of years ago David Buschur used a Cheapo Ebay unit and picked up 15WHP on his race car. Also Evo Power Mods makes a KILLER Piece, one I use, it is an Open Dump, lets all the exhaust gas right out of the car.



Look at this bad boy. I run this and it rules.


http://evopowermods.com/
You run what? A bad webpage?
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Old Sep 15, 2009, 08:09 AM
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Originally Posted by TTP Engineering
You run what? A bad webpage?
hahahaha
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Old Sep 15, 2009, 08:53 AM
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Can't beat the Megan/Buschur unit. The Buschur is basically just a coated Megan aka "good" eBay version. They fit well, are durable, and make power, plus they're not loud and obnoxious like these dumps that are all the rage right now.
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Old Sep 15, 2009, 08:56 AM
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We have the Megan units for $99 here:

http://ttp-engineering.com/catalog/p...products_id=47

The coating is a waste of money.
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Old Sep 15, 2009, 09:03 AM
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Originally Posted by TTP Engineering
We have the Megan units for $99 here:

http://ttp-engineering.com/catalog/p...products_id=47

The coating is a waste of money.
Do you like getting in battles over bs?
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Old Sep 15, 2009, 09:04 AM
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Is it really worth upgrading the o2 housing? Is that 15 hp top end
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Old Sep 15, 2009, 09:18 AM
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Originally Posted by MR White
Is it really worth upgrading the o2 housing? Is that 15 hp top end
yes.

it's all about reducing backpressure on turbo cars. especially as close to the turbo as possible.

the invidia o2 housing has a larger i.d. feeding the dp than a megan style o2 housing. invidia = ~2.820" / megan style = ~2.460"
someone in san diego; on 91 octane, went from a megan style o2 to a invidia o2 & picked up 8 whp from 5k-7500.
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Old Sep 15, 2009, 09:19 AM
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Originally Posted by 19fred82
Hi, i want to put a 3'' TBE on my IX and i wondering if there is a big power difference between a 2.5'' and a 3'' O2 housing?
Any O2 housing that utilizes a stock location downpipe has to neck down to 2.5" at the mating point. The only full 3" solution can be found here, however performance gains will likely be negligible on the stock turbocharger. Upgraded stock location turbochargers are a different story

Also, we offer the Megan Racing unit for just $109.99 shipped, and we guarantee the best pricing on this unit if you are somehow able to find it for less
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Old Sep 15, 2009, 09:26 AM
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ok so if i have the stock turbo i dont need the 3'' housing?
i tought that it would be the best to put a 3'' housing to fit with my 3'' exhaust...
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Old Sep 15, 2009, 09:57 AM
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I had basically all bolts ons including cams. I went ahead and put a. ebay 02 on and it gave the car even more grunt.

Def worth the $99.
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Old Sep 15, 2009, 09:57 AM
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Originally Posted by Aby@MIL.SPEC
yes.

it's all about reducing backpressure on turbo cars. especially as close to the turbo as possible.

the invidia o2 housing has a larger i.d. feeding the dp than a megan style o2 housing. invidia = ~2.820" / megan style = ~2.460"
someone in san diego; on 91 octane, went from a megan style o2 to a invidia o2 & picked up 8 whp from 5k-7500.
The Invidia O2 housing design is flawed. The divider wall between the wastegate dump and the turbine outlet is just a flat wall of metal that increases turbulence and decreased efficiency.

We have dynotested the Megan O2 housing to be the leader in tubular O2 housings.

We have a special this week on them for $75.
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Old Sep 15, 2009, 10:32 AM
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Originally Posted by TTP Engineering
We have dynotested the Megan O2 housing to be the leader in tubular O2 housings.
Can you please post a link or some more info to back up this claim?
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Old Sep 15, 2009, 10:46 AM
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Originally Posted by TTP Engineering
The Invidia O2 housing design is flawed. The divider wall between the wastegate dump and the turbine outlet is just a flat wall of metal that increases turbulence and decreased efficiency.

We have dynotested the Megan O2 housing to be the leader in tubular O2 housings.

We have a special this week on them for $75.
How much shipped to 60645? But will it work for my 10.5 hotside?
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