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      05-14-2008, 11:46 PM   #2
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Nate@IND's Avatar

Drives: BMW
Join Date: Oct 2006
Location: Chicago

iTrader: (19)

The Eisenmann Sport and Race performance share the same external design. The Eisenmann Race performance uses straight-through technology. While the Sport performance has internal baffles and sound deadening materials. The Eisenmann Race performance reduces backpressure by 32%. Most Eisenmann systems for NA motors in the past have increased hp by 8-10. The Eisenmann Sport performance is much quieter than the Race and reduces backpressure by 25%.

Eisenmann Sport/Race system

Inside photo of the Sport performance


moving vehicle = 75 db
stationary vehicle = 92 db at 6.225 1/min
value of backpressure = -25%
weight of the muffler = apr. 21 kg


moving vehicle = apr. 95 db
stationary vehicle = apr. 102 db at 6.225 1/min
value of backpressure = apr. -32%
weight of the muffler = apr. 21 kg

Please note these values are always depending on external circumstances as feg. barometric pressure, outside temperature, abrasion of the pre silencers, abrasion of the cat-converter, etc....

Eisenmann Race Performance videos

Eisenmann Sport Performance videos