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Stock Boost Question

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Old Jan 31, 2009, 10:56 PM
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Stock Boost Question

What is the stock boost of a evo X?

My friends' dyno'd at 14 psi stock, and my boost gauge is reading 20 with a turbo back exhaust.

Would the full TBE really bring my boost up 6lbs? Or do they differ coming off the lot?

Thanks
Old Jan 31, 2009, 10:58 PM
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20~21 PSI stock.
Old Feb 1, 2009, 08:44 AM
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Boost gets up to around 20ish and tapers down to around 14 depending on RPM range.
Old Feb 1, 2009, 07:24 PM
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I have several parts and I boost to 24.7 PSI and taper down to 19 PSI.

My mod as AEM Inatke, RRE UIP, ETC 4" Intercooler, RRE Stealth Muffler, and RRE Rally Cat.
Old Feb 1, 2009, 07:29 PM
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What are people tapering to with the forge wga, or are you peaking and holding?
Old Feb 2, 2009, 02:25 AM
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Originally Posted by fknchristoph
What is the stock boost of a evo X?

My friends' dyno'd at 14 psi stock, and my boost gauge is reading 20 with a turbo back exhaust.

Would the full TBE really bring my boost up 6lbs? Or do they differ coming off the lot?

Thanks
you'll need a dump
pipe back exhaust to get good boost
control, std dump pipe causes a fair
amount of back pressure.
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