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2017-2021 Honda Civic Si 1.5T Short Ram Air Intake System

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Regular price $359.00
Product INFO
  • Vendor PRL Motorsports
  • SKU PRL.PRL-HC10-INT-SRI-B
MAF Housing
Pre-Order
Ships when available
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Returns accepted within 30 days of purchase

The PRL Motorsports Short Ram Intake System is a compact induction upgrade for the 2017-2021 Honda Civic Si 1.5T. Built around the same CNC-machined billet aluminum MAF housing as PRL's acclaimed Cobra intake, it is engineered to deliver factory-spec fuel trims (within -4% of factory short- and long-term fuel trims) for optimal drivability, with the Standard Bore housing requiring no tuning. The system uses a 4" air filter and is offered with a Standard Bore or Big Bore MAF housing, both retaining the factory MAF sensor.

Performance Testing

Gains of 15 horsepower and 12 ft-lb of torque over stock with the Standard Bore housing and no tune; up to 20 horsepower and 15 ft-lb with the Big Bore housing running a Big Bore MAF basemap on Hondata or KTuner. Long- and short-term fuel trim testing shows consistent trims within -4 LTFT. Note that short ram intakes on this chassis are sensitive to heat soak, so PRL recommends the Cobra Cold Air Intake for maximum sustained gains.

Features

  • Fits all 2017-2021 Honda Civic Si 1.5T
  • CNC-machined billet aluminum MAF housing (Standard or Big Bore)
  • Standard Bore requires no calibration; Big Bore MAF basemaps available for Hondata and KTuner
  • Retains factory MAF sensor
  • Convertible to a Cold Air Intake via optional conversion kit