Apexi N1 Catback Exhaust - 2006-2011 Honda Civic Si Sedan *Discontinued RotopaX please select which version you

please select which version you require from the drop down menu below

Output Current: 4

The Boost Control Kit is an optional kit designed to control boost through the Power FC

If you study what the professional ax men of the last century preferred

Apexi N1 Catback Exhaust - 2006-2011 Honda Civic Si Sedan *Discontinued RotopaX please select which version youThe 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