S4 / RS4 (B5 Platform) Discussion Discussion forum for the B5 Audi S4 & RS4 produced from 1998-2002

what is the best downpipe on the market

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Old 06-06-2004, 11:40 PM
  #31  
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Default Your posts on this subject have me scratching my head wondering (m)

if you just don't understand what I'm saying. So if I follow your logic, a less restrictive DP results in higher boost levels? Even above what the ECU requests, which you believe is good. So if I dig through my logs of my car with stock DP's, Autospeed DPs, and AWE's DP's, I should see higher boost levels with the aftermarket DP's as compared to the stock ones. I'll be surprised if I can find data to support that, but I'll post my findings.
Old 06-07-2004, 06:01 AM
  #32  
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Default Yes, you'll see that on this particular AWE/Giac car

Boost on stock DPs is lower than the AWE.

Different software controls the wastegates and boost very differently, so on other Stg3 cars, like Blown S4 running AMS the difference in boost is less, because it turns it down closer to requested.

All-in-all, I think it's great that we're finally seeing more dyno testing on the Labree and Everything on the board.
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