A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

Boost Question:???

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Old Nov 24, 2000 | 03:17 PM
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Default Boost Question:???

I have the TAP Stage II chip and TAP cone filter conversion. Running this setup I get 14-16lbs boost. When I put my stock air box back in, I only get 10-11lbs boost and WAY WAY less torque. Why is this?
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Old Nov 24, 2000 | 03:32 PM
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Default This may have to do with the cone filter conversion...

The stock airbox is more restrictive when it comes to air intake... the cone airfilter allows a greater amount of air to be ingested with less restrictions.
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Old Nov 24, 2000 | 03:40 PM
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That was my guess too! Just wondering if it was something abnormal.
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Old Nov 24, 2000 | 03:46 PM
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say... were you planning on changing the your BPV???
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Old Nov 24, 2000 | 03:46 PM
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Default I have a TAP Cone Intake for sale if anyone is interested...

Paid about 130 for it and will sell it for substantially less. On car for about two months

David
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Old Nov 24, 2000 | 04:06 PM
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Default Re: Boost Question:???

I have the TAP stage II, but with a stock filter (dealership tossed the DTM filter)

I've noticed on mine that at times it will get 14-15 psi, and others it will only hit 10-11psi. If I'm running 14-15, and get off/on the throttle, the boost only goes back up to 10-11, so I'm guessing I have a bad bypass valve.
You might want to check yours.
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Old Nov 24, 2000 | 04:31 PM
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why are you selling?
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Old Nov 24, 2000 | 04:42 PM
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Anyone have pictures of the TAP cone intake?
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Old Nov 24, 2000 | 04:49 PM
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www.tap1.com
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Old Nov 24, 2000 | 04:52 PM
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Already checked - nothing there.
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