FOX LAKE Power Products S.V.O. GT-40 Lower Manifold or Explorer.
Send in your GT-40 Lower Manifold and FOX LAKE will make it BETTER. Three (3) Stages of Porting improve on the out of the box airflow of 230cfm.
| Stage-1 | Porting Matching | 20cfm Gain over Stock | $250 Labor | |
| Stage-2 | Fully Ported | Ported-No Welding | 50cfm Gain over Stock | $500 Labor |
| Stage-3 | Race-Welded | Straighten Runner, Remachine Flanges | 70-80cfm Gain over Stock | $895 Labor |