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2017-2021 Honda Civic Si 1.5T Cobra Cold Air Intake System - Big Bore

In stock
Availability – Made to Order (See Lead Times)
Regular price $430.00
Product INFO
  • Vendor PRL Motorsports
  • SKU PRL.PRL-HC10-INT-CAI-D
MAF Housing
In stock
Usually ships within 24 hours
Cobra Sport
⚠️ Cobra Sport Manufacturing & Shipping Notice

Cobra Sport exhaust systems are handmade to order in the United Kingdom.

Estimated manufacturing time is typically 7–10 working days, plus additional shipping time from the UK.

Delivery times may vary depending on international shipping and customs processing.

Please note: SBX Performance is not responsible for any tariffs, duties, customs fees, or import taxes associated with this order. Any applicable charges are the responsibility of the customer.
VETERAN & FIRST RESPONDER DISCOUNT

Veterans, Active-Duty Military, First Responders Discount

FASTER SHIPPING

99% of orders leave the warehouse within 1-3 days of payment

EASY RETURN POLICY

Returns accepted within 30 days of purchase

PRL Motorsports' Cobra Cold Air Intake System is one of the most highly regarded intakes for the 2017-2021 Honda Civic Si 1.5T — and for good reason. Its CNC-machined billet aluminum MAF housing is designed to deliver factory-spec fuel trims (within -4% of factory STFT & LTFT) for optimal drivability and performance, using a 4-inch volume from the air filter into the MAF housing.

Features

  • Big Bore CNC-machined billet aluminum MAF housing
  • Factory-spec fuel trims (-4% of factory STFT & LTFT)
  • 4-inch air filter-to-MAF volume
  • Big Bore MAF basemap calibrations available in both Hondata and KTuner
  • Compatible with Two Step Performance (TSP) and Phearable calibrations via the "Race MAF" option

Fitment & Notes

  • Fits all 2017-2021 Honda Civic Si 1.5T, including the Honda Sensing package
  • Big Bore MAF-specific calibration is required for the Big Bore MAF housing
  • Canadian models require USDM windshield washer reservoir conversion
  • Not for sale in the State of California
  • Not compatible with factory CVT cooler (Spain, Turkey, etc.)