![Apexi N1-X Evolution Extreme Catback Exhaust 2017-2021 Honda Civic Si [FC1/FC3] (164KH002) 1641 maximizing compatibility and performance](https://cdn.shopify.com/s/files/1/0592/8642/1591/files/ShowProductImage_39a8f0f3-da3b-4f29-8880-d7dd82e52a39.jpg?v=1727361799)
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maximizing compatibility and performance
Analog systems feature dial gauges with manual pushbutton adjustment
ECO Mode: 7 levels
The aFe Control kit even includes rear
Apexi N1-X Evolution Extreme Catback Exhaust 2017-2021 Honda Civic Si [FC1/FC3] (164KH002) 1641 maximizing compatibility and performanceThe N1 Evolution Extreme is based on the proven performance basics of the N1 muffler which emphasizes optimum, exhaust efficiency utilizing a straight thru layout design. Equipped with an internal hybrid silencer uniting power and free flowing characteristics with effective functional sound resonance. A newly adopted muffler tip completes the tail end of the exhaust that serves both purposes of function and form. Constructed with a light weight
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