Hybrid Racing Silicone Radiator Hoses (12-15 Civic Si) Yellow Engine: K20A3 K20A2 K20Z1 K20Z2

Engine: K20A3 K20A2 K20Z1 K20Z2 K20Z3 K24A2 K24A4 K24A8 K24Z2 K24Z3 K24Z7

Here's an easy solution that adapts the factory fitting/sensor

and other similar designs

this muffler delete provides improved exhaust flow and a more responsive throttle

Hybrid Racing Silicone Radiator Hoses (12-15 Civic Si) Yellow Engine: K20A3 K20A2 K20Z1 K20Z2These high quality radiator hoses are the last youll ever need. Made with multi layer fiberglass reinforced silicone and finished with a durable silicone outer layer, theyre pressure and temperature resistant from 165 to 350F. Weve also altered the upper hose geometry to provide extra clearance for your cold air intake, eliminating interference and keeping everything clean. Speaking of clean, all you need is a little soapy water and a lint free rag to