RENNTECH PKG2 FOR 63 SERIES AMG
Lake Park, FL - 30OCT2007
RENNtech has developed a new line of aftermarket performance products
aimed at getting more power out of the 63 series AMG Mercedes-Benz.
RENNtech, generally regarded as the nation's foremost authority on
Mercedes-Benz performance tuning, took something of an "old school"
approach towards building its new high-tech products. "The new AMG
motor isn't like the last generation of turbo or kompressor cars,"
explains Hartmut Feyhl, president of RENNtech and former technical
director of AMG North America. "This new engine is naturally aspirated,
like a more traditional race motor, and the way to get more power out
of an engine like the 63 is to improve the engine's breathing."
To that end, Feyhl and his crew at RENNtech have built new exhaust
headers and high-flow sport mufflers, from 304 TiG welded
stainless-steel, and developed new engine control software to further
boost the engine's efficiency - and, while "bigger pipes" might seem
like a no-brainer, in this case, bigger wasn't better.
"Some people make a big deal about larger diameter this or that, but
that's not always the answer," explains Feyhl. "Our headers use
slightly smaller diameter tubes, actually increase the speed of the
airflow out of the engine. It is important that the tubing is small
enough to 'scavenge' air at lower RPM, generating more torque, while
still being large enough to provide improved airflow at higher RPM."
RENNtech's results and expertise speak for themselves, delivering 48
additional horsepower and 50 lb-ft. of torque, with a deep, growling
exhaust note that is totally free of unwanted resonances at cruising
speeds. RENNtech's headers, sport mufflers, and ECU upgrades are
available independently or as "package 2" through RENNtech's network of
authorized dealers. Available for E, CLS, and S class 63 series AMG.
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