Fits all 2017-2021 Honda Civic Type-R FK8
Fits all variant models including RHD, International Models, Etc.
Fits Factory Turbocharger Inlet Pipe ONLY
INSTALLATION:
PDF - 2017-2021 Honda Civic Type-R High Volume Intake System Install Instructions 
Patent No. D902,255
Important Notes:
- NO ECU CALIBRATION REQUIRED FOR STANDARD BORE MAF HOUSING
- BIG BORE MAF-SPECIFIC ECU CALIBRATION IS REQUIRED FOR BIG BORE MAF HOUSING
Technical Notes:
The Big Bore MAF housing option is the largest MAF housing on the market, rated at 600+ horsepower, and offers a 47% increase in airflow volume over the factory MAF housing or Standard Bore HVI MAF. Our engineers were able to profile the volute and locate the MAF sensor flange in the optimal location to help keep fuel trims extremely stable. This will require a calibration/MAF scaling and is more-so intended for customers looking to make over 450 horsepower.
Kit Includes:
- (1) 4-Ply Silicone Intake Hose
- (1) Injection Molded Evap Fitting
- (1) Two-Piece MAF Housing
- (1) Rotomold Air Box
- (1) 6" Air Filter
- (4) Stainless Steel Breeze Lined Clamps
- Stainless hardware
- Wire Loom
- Dress-Up Hardware Kit
Testing Data:
All testing was performed on the same day with a rather mild 55 degree Fahrenheit day and moderate humidity. We started all single dyno pulls at 174 degrees, while continuous (back-to-back) dyno pulls start at 174 degrees and end around 197 degrees. For our first comparison we tested the factory intake system on KTuner's stock equivalent ECU map versus our High Volume Intake System on KTuner's stock equivalent ECU map for an apples-to-apples comparison. Run 2 was the coolest (174 degree starting temp) for both setups. We saw an 11 - 12 horsepower peak gain and 32 horsepower gain throughout the mid-range over the factory intake system.
Continuous dyno pulls and testing under the same conditions produce identical gains time after time. Even our hottest runs, Run 4 (197 degree starting temp), showed a 5 horsepower peak gain and 26 horsepower gain throughout the mid-range over the factory intake system.
Continuous dyno pulls and testing under the same conditions produce identical gains time after time. Even our hottest runs, Run 4 (197 degree starting temp), showed a 5 horsepower peak gain and 26 horsepower gain throughout the mid-range over the factory intake system.
Next, we uploaded KTuner's Stage 1 ECU map with the factory intake system and our High Volume Intake System. The coolest runs, Run 2, showed an 8-9 horsepower peak gain and 25 horsepower gain throughout the mid-range.
The hottest runs, Run 5, showed a 9 horsepower peak gain and 18 horsepower gain throughout the mid-range.
One of our main focuses with this intake system was to offer a factory-like fuel trims (much like our 1.5T Cobra CAI & SRI) for optimal drivability and performance. We spent quite a bit of time designing what we determined is the best intake system/MAF housing on the market. Thus far we have seen Short Term Fuel Trims within +2-4% of the factory. We have a few more tricks up our sleeve, but are very happy and confident with what we have currently.
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