catback horsepower?
11-21-2006, 01:13 PM
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Staging Lane
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catback horsepower? i tried search but no luck. On average how much horsepower is a catback system work? I relize it will probably vary from system to system but what would be a good average number?
11-21-2006, 01:21 PM
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Nothing tangible? I picked up 2rwhp with GMMG, and that much can be swung just by dynoing on a different day. The real restriction in your exhaust is the catalytic converters and stock manifolds. Buy your catback for sound, and not for performance.
11-21-2006, 01:28 PM
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more or less depends on the type of muffler in the system... a more free flowing muffler will pick up a lot more rwhp compared to one that is larger and more baffled
11-21-2006, 02:00 PM
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i put magnaflow catback (i've heard it's one of the more free-flowing mufflers, but i only got it for the sound) in and i haven't noticed a difference in performance.
