The top 5 intake brands enthusiasts actually trust for the FG2/FA5 (2006-2011) Honda Civic Si — ranked by community reputation and fitment reliability.
2006-2011 Honda Civic Si · Intake
InstantFetched 3d ago · Refreshes in 57d
Injen
Injen's SES intake is the most popular choice among 8th-gen Si owners for proven fitment, minimal rasp, and solid power gains with excellent build quality.
Widely available through major performance retailers.
AEM
AEM's V2 intake for the 8th-gen Si is trusted by the community for reliability and consistent performance; their filter design is particularly praised for the K-series engine.
Widely available through major performance retailers.
Skunk2
Skunk2's intake system is well-regarded on Si forums for fitment accuracy and quality construction, with a loyal following in the Honda tuning community.
Widely available through major performance retailers.
K&N
K&N's short-ram intake for the Civic Si offers accessible performance and easy installation, though generally considered less refined than top competitors.
Widely available through major performance retailers.
DC Sports
DC Sports intakes appear frequently in 8th-gen Si builds and are respected for solid construction, though they have a smaller following than Injen or AEM.
Widely available through major performance retailers.
Adds live pricing, recent forum sentiment, and fitment notes from real-time search.
Curious what to expect? Here's a sample report for VA (2015-2021) Subaru WRX.
Sign in to save this vehicle to your garage and get notified of price changes.