Thread: My LPP headers have arrived!!!
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Old 03-11-2010, 04:23 AM
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KLAB KLAB is offline
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Quote:
Originally Posted by Quikz28 View Post
why do they step down and then go back to 3"? doesnt it choke it up at all?
Theyre stepped for velocity. Think of like a pressure washer, how it steps down to create crazy pressure down the other end.
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