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Go Back   IWSTI.com: Subaru WRX STI Forums > IWSTI Engine & Drivetrain > 2.5 Liter/Litre Factory Motor > GR-Exhaust


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Old 06-24-2008, 07:19 AM   #1
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Default Tbe

What TBE's are available or are soon-to-be available for the '08 STI? I'm running Cobb Stage 1 93 right now and I like the power from about 3.5k and up but I feel it really needs some more low-end grunt that a TBE plus Stage 2 would remedy. I know Harman Motive has one for about $1,500 but are there any other manufactures that have TBE systems available now or in the near future? I heard rumors that Cobb might have one available shortly as well. I might just wait til a few other TBE systems hit the market so that prices will come down a bit but I just wanted to see what my options were. Also, does anyone have any opinions on the Harman Motive TBE from personal experience?

Is it even necessary to get a TBE or would just an aftermarket DP with the stock CB (and Stage 2 reflash of course) be adequate? All I really care about at this point is more low-end torque; I don't really care about noise levels or visuals. Thanks for any/all input.


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Old 06-24-2008, 08:20 AM   #2
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Default Re: Tbe

Doing the same shopping myself.

There are some threads either here or on NASIOC where its reported that you can run Cobb's stage 2 ots map with just a DP, at least on an '07. Not sure on an '08, but given the design of the cat-back, I would expect yes.

The Perrin dual-tip cat-back has just been released, allowing you to assemble a complete Perrin TBE (or mix and match). They're claiming 15 hp gains, which is probably within 5 hp of what others are achieving.

The Invidia DP is available. Others that I haven't found yet may be as well.

I'd like it if Crucial hurried up and released one.

Frank

ok, here's the link on the dp only thread (pg 2 of this forum- sigh):

http://www.iwsti.com/forums/technica...2-just-dp.html

Last edited by caveguru; 06-24-2008 at 08:24 AM.
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Old 06-24-2008, 09:56 AM   #3
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Default Re: Tbe

Crawford Performance has a video of just a downpipe plus tune for the 2008...

YouTube - Crawford Stage 1 - Down Pipe and Tune - Part 1
YouTube - Crawford Stage 1 - Down Pipe and Tune - Part 2
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Old 06-24-2008, 11:30 AM   #4
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Default Re: Tbe

If youre interested in our complete turboback, you should definitely check out the video we have up here:

YouTube - Harman Motive 2008 STi turboback exhaust

Back to back sound comparisons with stock and dyno results.

-Erik
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Old 06-24-2008, 12:48 PM   #5
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Default Re: Tbe

Well, if you don't really care for noise and visual, then a DP with stock CBE is the way to go. It's tough to justify a CBE if all you want is performance. I can tell you that a DP with Cobb's OTS Stage 2 is nearly identical to a full TBE setup, in my car in Cali anyway.


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