Apexi N1-X Evolution Extreme Muffler - FRS/BRZ/86 WRX/STI Brake Lines 030) that makes them the

030) that makes them the fastest responding wideband air/fuel ratio controllers in independent testing*

Black finish

Made to install directly to stock front bumper

5 psi) using ISO-octane at 52° C (125°F)

Apexi N1-X Evolution Extreme Muffler - FRS/BRZ/86 WRX/STI Brake Lines 030) that makes them theThe 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