Hybrid Racing Cold Air Intake System (02-06 RSX & 01-05 Civic Si & 01-05 Civic K-Swap) RC 350 Single 4" Center Outlet

Single 4" Center Outlet

GMB 4359030

The Simpson Flex comes standard with our newest Comfort Fit cuffs and is offered in standard and custom sizing

Hassle-free

Hybrid Racing Cold Air Intake System (02-06 RSX & 01-05 Civic Si & 01-05 Civic K-Swap) RC 350 Single 4" Center OutletSpecific requirements, special design! Designing an intake system with a set of guidelines isn't hard to achieve. However, building an intake system that not only fits every engine combination while allowing that setup to produce more power is. We chose to narrow that field and focus on what we consider to be the best recipe for power gains. With the success of our eighth generation Civic Si intake system we used what we learned and created this