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11-12-2012, 12:45 PM | #23 | |
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Even on a ESS kit they put down 38whp on just the RPI x pipe. I'm sure there are variations on the dyno, but the x pipe does make a big difference. |
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11-12-2012, 01:00 PM | #24 | |
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My car made 595 whp with the RPI midpipes with ESS VT-625,another Vt-625 made "only" 550 with afull acrapovic exhaust Same dyno, similar conditions,
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M3 E92 ESS VT-625
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11-12-2012, 09:06 PM | #25 |
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Drives: '08 E90 335i
Join Date: Jan 2012
Location: Northern NJ
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Which RPi X-Pipe was it since they have the GT, GTC & GTM? Also, are there any power differences between them??
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11-13-2012, 12:13 PM | #26 |
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11-13-2012, 04:55 PM | #29 |
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11-14-2012, 01:49 PM | #30 |
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Those last two pulls where 60 seconds apart!
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