2018 Honda Civic Si Header Panels
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- Replace®Lower Grille Air DeflectorHonda Civic Si 2018, Lower Grille Air Deflector by Replace®. Designed utilizing the latest technology, this grille air deflectors by Replace features premium quality and will perform better than advertised. Perfect for your vehicle and...Designed with the latest software and manufactured with modern toolingMade from same materials as original part$90.56 - $91.19
- ReplacementLower Grille Air DeflectorHonda Civic Si 2018, Lower Grille Air Deflector by Replacement. Standard Line. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this...Expertly crafted from premium materialsDesigned to match rigorous quality standards$45.18 - $116.54
- Replace®Lower Radiator Support Air Duct (Standard Line)Honda Civic Si 2018, Lower Radiator Support Air Duct by Replace®. Standard Line. Thoroughly designed to stringent OE specifications, these Replace air ducts ensure maximum air flow. They have the same look and provide the same fit as...Factory original quality for lessDirect replacement$37.56
- K-Metal®Lower Grille Air DeflectorHonda Civic Si 2018, Lower Grille Air Deflector by K-Metal®. Make your vehicle perfect in every detail with K-Metal grille air deflectors designed with ultimate quality and durability in mind. Reliable function that will meet your...Designed with the latest software and manufactured with modern toolingMade from same materials as original part$185.90 - $188.65