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911st 911st is offline
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Join Date: Jan 2004
Location: Sacramento
Posts: 7,269
Carrera heads w 1.5" primary's are not an issue. Small intake ports are more a CIS and normally aspirated thing.

1 5/8's sure will not hurt ones HP. It might add a little to lag. The cross over might be around 450hp but that dose not keep the 1.5's from making power to.

Just my opinion, not an expert on this.
Old 01-26-2010, 07:14 PM
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