Nissi Dash 18 gunmetal
Just put em AEM CAI CAR SOUNDS AND ACCELERATES MORE AGGRESSIVELY
The one in gunmetal I purchased used a snap on thermal scope and engine is running 40 deg cooler hood is cool too the touchAEM website lists 2 models for your 2018 Altima, Model 21-713C and model 21-713P.
Which one did you purchase? The 713C is finished in gunmetal grey, and the 713P is polished.