K&N Typhoon Performance Air Intake System Honda Civic SI 2017-2018 Vehicle Model_G37 Convertible The most cost effective design

The most cost effective design is the one in which the bolt strength is just great enough to handle its anticipated load plus a safety margin for the occasional overloads

this lightweight trunk lid reduces weight while maintaining structural integrity

Eliminates risk of crankshaft snout damage or backwards engine rotation

Part #: 37981056515BK

Matte Black Underside Finish:Clean

K&N Typhoon Performance Air Intake System Honda Civic SI 2017-2018 Vehicle Model_G37 Convertible The most cost effective designPart #: 69 1504TR The K&N 69 1504TR Typhoon air intake system is a free flowing, mandrel bent aluminum tube air induction system designed to fit specific Honda Civic Si models. The restrictive factory air filter and air intake housing are replaced by the K&N Typhoon air intake which is designed to dramatically reduce air flow restriction as it smoothes and straightens air flow. This allows your engine to inhale a larger amount of air than the factory