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johnriley · 03-05-2003, 11:57 AM

what do you think about the flapper valve mod? It seems pretty easy, I have the dual intake manifold on my accord, should I do this?

03-05-2003, 11:57 AM	#3
johnriley 2nd Gear Join Date: Jun 2002 Location: Kansas City, Mo Age: 45 Posts: 211	what do you think about the flapper valve mod? It seems pretty easy, I have the dual intake manifold on my accord, should I do this?