Skunk2 Racing Ultra Street Intake Manifold - L15B for 2016-2021 Honda Civic (307-05-1000) 18475 It replaces your stock air

It replaces your stock air intake tube with a tube that is specially shaped for accelerated airflow

To tune these supercharger systems STILLEN works with UPRev software

to track-attack mode

and durability under racing conditions

Skunk2 Racing Ultra Street Intake Manifold - L15B for 2016-2021 Honda Civic (307-05-1000) 18475 It replaces your stock airUltra Series Manifolds ensure optimal intake performance for maximum horsepower gain versus traditional single piece intake manifolds. Our modular cast aluminum intake manifold can be easily disassembled for ease of porting, cleaning, and plenum volume changes via the use of our separately sold spacers. The expandable plenum gives the ability to perfectly curate intake air flow and volume for to maximize application potential. Skunk2 Ultra Series