Stock W/2 heads flow 240 cfm intake and 148 cfm exhaust. With our “UnderCover” Porting the intake side will flow 262 cfm and the exhaust will improve to 178 cfm.
| Part # | Description | Price |
| UC-W2 | "UnderCover Porting" to your bare W2 heads. Labor only. | $895.00 |
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