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 & track proven models featuring many variations to achieve best all around performance( not just top end RPM ) with no loss in throttle response.  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
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
supplied with stud/nut hardware, npt port plugs, and npt to barb fittings for vacuum/brake booster connections
These don't clear IGN1A  coil kits that fit ontop of the engine.
The purchase price reflects the current exchange rate, bank wire transfer fees, Japanese tax rates, and export fees at the time of purchase. 
A bank wire transfer will be sent to our manufacturer in Japan to begin processing your order once payment has fully cleared. Due to the nature of special made-to-order items, no changes, modifications, or cancellations may be made after the bank wire has been sent.
All body kits, aero components, and engines are special-order, made-to-order products. Duce International LLC / TRMNL Racing has no control over manufacturer production delays, supply chain interruptions, tariffs, freight carrier issues, customs delays, or international shipping conditions. 
Any quoted lead times are estimates only and are provided solely as a courtesy to the customer.
All products sold by Duce International LLC / TRMNL Racing are intended for OFF-ROAD and MOTORSPORT COMPETITION USE ONLY and may not be legal for use on public roads or highways in certain states or countries. The customer is solely responsible for determining compliance with all local,
state, federal, and international laws and regulations regarding vehicle use, emissions, safety, and installation.
Duce International LLC / TRMNL Racing shall not be held liable for improper installation, misuse, modification, racing incidents, loss of use, labor costs, delays, or consequential damages of any kind.