Apexi N1 Catback Exhaust - 2006-2011 Honda Civic Si Sedan *Discontinued Track Suspension It complements the factory lines

It complements the factory lines while adding a subtle yet impactful upgrade

If the cap doesn't seal tight after install

you can build a custom CAN protocol using RaceStudio 3’s CAN Builder feature

Featuring a vibrant retro racing pattern with the iconic HKS-style logo

Apexi N1 Catback Exhaust - 2006-2011 Honda Civic Si Sedan *Discontinued Track Suspension It complements the factory linesThe N1 series muffler has become a staple of the import tuning industry. The N1 was the first of its kind to incorporate the classic angled muffler design that has became so familiar with today's street cars. Born from our involvement in the grueling N1 endurance series, the N1 exhaust system pairs a straight through design racing muffler with free flowing, mandrel bent piping (60. 5mm N A, 80mm for turbo applications). The combination has resulted in