Turblown Cast FD3S Lower Intake Manifold 1.3L - 13B REW 250% INCREASED HOLDING CAPACITY OVER

250% INCREASED HOLDING CAPACITY OVER FACTORY KIT*

950 TORQUE HOLDING CAPACITY

and 100% capture efficiency at 35 microns

Tapered Main Runner Inside Diameter

Inlet and Outlet V-Band Clamps

Turblown Cast FD3S Lower Intake Manifold 1.3L - 13B REW 250% INCREASED HOLDING CAPACITY OVERThese are in stock. If you have a Stockport, Bridgeport, or street ported engine you need the side port model. Key features: Dyno proven models featuring many variations to achieve best all around performance( not just top end RPM ). Units are equal length, and equal bend for proper balance between rotors. Tapered runner design, only slightly oversized from OEM. Does not hurt throttle response or bottom end midrange performance. 6 injector for semi