Here is what "Silo" (manager of QAS) wrote about this dynorun - I translated it for you:
Quote:
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Originally Posted by QAS
The QAS exhaust system is made up of the QAS headers, the QAS catalytic converters and the true dual catback. It was individually finetuned w/ the QAS Pereformance Plus ECU-Reflash.
367 PS / 380 Nm
Metering of power and torque on stock 370Z, before installation of exhaust system:
32x PS / 357 Nm
Unfortunately the metering was finished too soon, so the result was about 320 PS (316 hp). Itīs highly probable that the 370Z would have had a real output near 330 PS (325 hp), just like the other 370s before.
Performance through research!
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This is the QAS catback exhaust:
Link:
:: quantumautosport.com :: More than fast and furious! (german)
QAS true dual exhaust --> 1400 EUR
QAS headers --> 600 EUR
QAS cat. conv. --> 900 EUR
Note: stock 370Z: max. power @7000/min, QAS 370Z @7200/min
mike