3" turbo back exhaust
07-12-2006, 07:16 AM
#6
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Correction dyno'd before and after in Vancouver area..
Dave's post jogged memory!
To my knowledge the S car community in Vancouver have dyno'd descrete HP gains due to exhaust alone.
Results were counter intuitive.
I am going Dyno a stock S6 BEFORE AND AFTER to measure this once and for all. Fall 2006 timeframe.
Agreed with comments below this would be more beneficial on RS2 or Garrett equipped S cars.
however.. I have never measured it!
posto@adelphia.net
To my knowledge the S car community in Vancouver have dyno'd descrete HP gains due to exhaust alone.
Results were counter intuitive.
I am going Dyno a stock S6 BEFORE AND AFTER to measure this once and for all. Fall 2006 timeframe.
Agreed with comments below this would be more beneficial on RS2 or Garrett equipped S cars.
however.. I have never measured it!
posto@adelphia.net
07-12-2006, 08:40 AM
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That was a uncontrolled test(s) with many variables
The only way to tell for sure is to do a test before and after with the exact same setup (software, injectors, etc.)
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07-12-2006, 08:42 AM
#8
Link to our Vancouver club dyno results. Rob S.'s RS2'd car had the Stromung.
Sounded great. Sean D.'s RS2'd car has a stock stock exhaust and was on pump gas like Rob but made almost 30 Whp more. Different software. Made more than me running 9L Toluene in 80 L tank.<ul><li><a href="https://forums.audiworld.com/s4s6/msgs/110974.phtml">https://forums.audiworld.com/s4s6/msgs/110974.phtml</a</li></ul>
07-12-2006, 09:12 AM
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I think the main difference in that dyno day came down to software
Rob: RS2 turbo, RS2 EM, MRC S/W, Delphi Injectors, stock MAF, Stromung, 268 WHP
Me: RS2 turbo, RS2 EM, Dahlback (MTM) S/W, RS2 injectors, RS2 MAF, stock exhaust, 94 octane pump, 297 WHP
Gabriel: stock turbo, MRC, 208 WHP
Dave: Same as me, but Pastore S/W (aka TS Tuning) with toluene, 317 WHP.
Me: RS2 turbo, RS2 EM, Dahlback (MTM) S/W, RS2 injectors, RS2 MAF, stock exhaust, 94 octane pump, 297 WHP
Gabriel: stock turbo, MRC, 208 WHP
Dave: Same as me, but Pastore S/W (aka TS Tuning) with toluene, 317 WHP.