how much hoarse power will a good catback muffler free up?
HCF Member
Joined: Apr 2004
Posts: 2,156
From: Arizona
RE: how much hoarse power will a good catback muffler free up?
might not gain you much in horsepower, but it will smooth out your power curve nicely... get atleast a catback system. Stay away from axlebacks and mufflers only. 2.25" is ideal... 2.5" is overboard.
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