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GhanemMBN · 03-19-2013, 02:17 AM

BMCs are good, very slight power gain, we tested it before and after on MAHA DYNO the hp increase was about 4 hp . GruppeM's hp gain was slightly more than bmc, but the engine really sounds different.

03-19-2013, 02:17 AM	#6
GhanemMBN Private First Class 35 Rep 168 Posts Drives: MB SLS AMG & BMW X5M Join Date: Jan 2013 Location: Abu Dhabi iTrader: (0)	BMCs are good, very slight power gain, we tested it before and after on MAHA DYNO the hp increase was about 4 hp . GruppeM's hp gain was slightly more than bmc, but the engine really sounds different.
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