Turblown FD3S RX-7 Cast Upper Intake Manifold

Turblown Cast Aluminum Upper Intake Manifold is designed for modified turbo rotary engines looking to maximize their power gains. Vehicles above the 400rwhp, especially those with larger ports gain noticeable power increases averaging around 5-10+%. 

This is a direct bolt in unit, that will bolt to the OEM 13BREW lower intake manifold, or any after market LIM using the OEM FD3S flange. FC3S engines require an adapter, and FD3S throttle body( not supplied). 

Key features:

• Dyno proven models featuring many variations to achieve best all around performance( not just top end RPM ).  This unit is guaranteed to make more HP over the OEM. 
• All oem emissions removed( for off road use only**) 
• Oem s6 FD idle air control motor retained for all oem throttle body models.
• Pre drilled for GM style air temp sensor ( 3/8" NPT)
  
• Water/alcohol meth jet bung pre machined 1/8 NPT (1x), 4x vacuum/boost ports

UIM purchase will bolt to OEM FD lower, or FD Excessive LIM.  FC UIM only requires S6 adapter plate( not supplied ), removal of OEM TMIC, an FD3S throttle body & TPS. Engine tuning is required.