- SAVE $79.58$320.41$399.99K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 11HP: Compatible with 1.5L, L4, 2017-2019 Honda Civic Si, 69-1504TRAmazon
- SAVE $50.00$449.99$499.99K&N Cold Air Intake Kit: High Performance, Increase Horsepower: Compatible with 1999-2000 HONDA (Civic Si) 69-1010TPAmazon