APEXi N1 EVO Exhaust (Type-B), Subaru Impreza WRX / Sti Sedan 11-14 (161RF018J) 1553 Compatible with multiple ECU types

Compatible with multiple ECU types for upgrade

And when cruising

Testing showed no power increase in adding the downpipe

The Snow Performance Low Level Indicator Switch (Unmounted) (SNO-40035) provides a reliable alert system for monitoring low water-methanol levels from the cab of any vehicle

and improve wet braking

APEXi N1 EVO Exhaust (Type-B), Subaru Impreza WRX / Sti Sedan 11-14 (161RF018J) 1553 Compatible with multiple ECU typesThe 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