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Old 03-23-2007 | 03:01 PM
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rainedave
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Default RE: Hirtenberger engines
Neil, I recommend checking if this one will fit (41mm hole centers). Only $19, it's actually a tuned muffler and will add power. You can read about them in the engine forum. They are a very popular performance upgrade.

http://www2.towerhobbies.com/cgi-bin...?&I=LXVH43&P=Z

or maybe this one:

http://www2.towerhobbies.com/cgi-bin...?&I=LXJB16&P=Z
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