Flowmaster "Original" or "Delta"?...
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Joined: Feb 2003
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From: Orange County, CA
Flowmaster "Original" or "Delta"?...
How can you tell just by looking at it that a 40 series Flowmaster muffler is Original-flow or Delta-flow?
I wouldn't be able to look inside the muffler because it's already installed.
I wouldn't be able to look inside the muffler because it's already installed.
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