Overview
The PRL Motorsports Short Ram Air Intake System for the 2017–2021 Civic Si delivers unrestricted induction sound and increased airflow through a 4.0" oiled cone filter and precision CNC billet MAF housing specifically calibrated for the Si's L15B7 engine.
The system incorporates a laser-cut aluminum heat shield and 4-ply silicone couplers that smooth airflow directly into the turbo inlet. Available with Standard Bore (no tune required) or Big Bore MAF housing (custom calibration required).
Features
- 4.0" reusable oiled cone air filter
- Billet 6061-T6 aluminum MAF housing
- 4-ply reinforced silicone inlet hose
- Laser-cut aluminum heat shield
- Choice of Standard Bore (tune-free) or Big Bore MAF profile
What's Included
- (1) 4" reusable cone air filter
- (1) Billet aluminum MAF housing
- (1) 4-ply silicone intake hose
- (1) Heat shield assembly & mounting bracket
- Stainless steel hardware and hose clamps
Fitment
- 2017–2021 Honda Civic Si 1.5T (Coupe & Sedan)
- Compatible with 6MT models (including RHD and international variants)
Installation Notes
- Standard Bore: No ECU calibration required
- Big Bore: Custom ECU calibration required
- Installation guide (PDF): Download
PRL Motorsports Short Ram Air Intake System 2017-2021 Honda Civic Si 1.5T
PRL Motorsports Short Ram Air Intake System 2017-2021 Honda Civic Si 1.5T
SKU:PRL PRL-HC10-INT-SRI-B
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Shipping & Returns
Shipping charges are non-refundable.
30-day return window from delivery. Items must be unused, uninstalled, and in original packaging with tags/seals intact. Installed, modified, or used parts (including wheels and tires) can't be returned. Open-box, clearance, and overstock items are final sale.
A restocking fee may apply.
Please contact us for return authorization before shipping anything back.
Vehicle Fitment
- Honda Civic 10th Gen (2017-2020)
