Thread: 1M First Exhaust mod by HP Autowerks, Inc.
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      05-25-2011, 03:55 AM   #3
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Quote:
Originally Posted by Trutchy View Post
HP gain? Dyno comparison??
Not looking for HP gain here, but simply for better sound.

10 hp and similar torque numbers shouldn't be out of the question.
Appreciate 0
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