I want to install a grade 1 chip in my audi but someone told me I have to install an aftermarket DV, is this true and what is a DV?? Sorry I'm a noob.

You will be fine until the stock one fails. How long it last depends on how long its been in use. It could die the same day or even last you a year.

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FACTS > followers
197whp and 292wtq with no chip on stock ic, airbox and catback
AEG crank +Scat rods + 83mm Wiseco pistons = CincyTT Version 2.0T

u should change but u can i guess ride the stock on until it fails
you can get a cheap 710N valve which will do the trick if ur just gonna get a basic chip

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Thanks guys but I still don't know what it is, what is a DV??

http://www.eurosportacc.com/diverter.htm

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diverter valve... i have the APR R1 which failed on my test drive after being flashed, im on my second one now... go 710N for a cheap fix or forge 007 for something tried and true

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APR 1+ Stasis StreetSports/Center Diff Neuspeed Exhaust/TP Podi w/ VEI Digital Gauge JHM Short Shifter Southbend FE SS Racetec FMIC Apikol Snub 6000k HIDs

2004 AUDI A4 1.8T UltraSport

tomorow my neuspeed dv is being installed.....

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Nick

2004 audi a4 1.8t quat tip

2000 bagged chevy s10 layin frame

I called my mechanic yesterday to ask him about the DV, he said I have to do some research to find out the amount of PSI's each DV puts out, since I'm a noob I don't really know what he's talking about.

Sounds like he doesn't either....."puts out" It's how much psi it can hold. Serviceable ones like Forge and the like have different springs for higher boost apps. Just go with what was mentioned in this post. Here are some good ones. Forge 007, Baileys, APR R1, 710N (from the TT 225) Hyperboost....Just don't get a BOV and nothing from Ebay unless one of thos brands listed. IMO of course.

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I know your car is fast, you were hauling ass when I passed you.

Thanks, will anyone of those handle the extra boost caused by the grade 1 chip??