2006-2011 Honda Civic Si — Exhaust

Fetched 3d ago · Refreshes in 57d

1. 1

   Injen

   Injen's SES exhaust systems are the most recommended bolt-on for the FN2/FA Civic SI community, offering proven fitment, quality construction, and a balanced tone without rasp.

   Widely available through major performance retailers

2. 2

   HKS

   HKS provides reliable catback and axleback options with strong reputation on Civic forums for durability and balanced performance gains on the K-series engine.

   Widely available through major performance retailers

3. 3

   Skunk2

   Skunk2 Racing's megapower RR exhaust is well-regarded in the Civic SI community for quality welds, fitment consistency, and a more aggressive tone.

   Widely available through major performance retailers

4. 4

   Mugen

   Factory Honda performance brand; Mugen exhausts for the Civic SI are known for excellent fitment and reliability, though availability and pricing are more limited than competitors.

   Limited availability; primarily through Honda dealers and specialized retailers

5. 5

   Fujita Engineering

   Fujita's SUS304 stainless catback systems are respected in the Civic SI community for craftsmanship and corrosion resistance, with solid long-term reputation.

   Widely available through major performance retailers