A must have for any tuner enthusiast – the air intake system. All engines regardless of size and manufacturer require three ingredients for combustion: air, fuel and spark. Thus, increasing the airflow into an engine via an intake system will result in greater performance (horsepower), better throttle response and that signature suction noise. 
Below, is a step-by-step explanation on how the KIA Forte Koup went from breathing through a metaphorical straw to this full air intake system provided by Turbokits.com
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Preparation:
- Slide Outerwears pre-filer sleeve over intake filter
Step 1: Remove rubber hose connected to the air box pipe
- Carefully loosen and remove the rubber hose connected to the air box pipe.
- Next, slide off all clips around the air box
Step 2: Remove top portion of the air box unit
- Carefully wiggle the top portion of the air box unit and remove it along with the air filter inside it.
Step 3: Remove two (2) 10mm bolts securing intake feeder
Step 4: Remove two (2) 10mm bolts located at the base of the air box / ECU combo unit and wiggle out until free.
Step 5: Install ECU bracket
- As part of the intake kit, a bracket is supplied to fasten the ECU unit securely. Use the supplied hardware consisting of three (3) nuts / bolts to secure the ECU to the bracket and tighten.
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Step 6: Mount ECU unit with bracket in the factory position.
Step 7: Install silicone sleeve on throttle body with clamp and tighten.
Step 8: Drop in intake aluminum pipe mating one end (with the breather end) to the throttle body and the other end tucked behind the left fog light.
Step 9: Apply the two (2) pieces of reflective heat tape to the radiator hose just under the intake pipe.
*Note: This step is not mandatory, but highly recommended.
Step 10a: Tighten all clamps
Step 10b: Install air hose (PCV vent) from the intake to the valve cover (male to male ends)
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Step 11: Life vehicle to access splash shield, remove bolts covering the plastic undercarriage panel and move aside.
Step 12: Fit air filter onto aluminum intake pipe
Step 13: Tighten air filer clamp
Step 14: Re-assemble splash shield
Step 15: Test for secure fitment and that no pieces are loose. Start engine and rev a few times to assure that install does not interfere with any other parts of the vehicle.
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