The PLM Private Label Mfg. Axle-Back Exhaust for the Infiniti Q50 is the best value for enhancing your vehicle's performance and sound. Crafted from TIG-welded stainless steel piping, this axle-back system is a direct bolt-on replacement for the OEM factory exhaust. Featuring Helmholtz Resonators, it delivers a refined sport-luxury exhaust note without excessive noise. For the best performance and value, choose the original PLM axle-back exhaust and transform your Q50 driving experience.FeaturesIncludes gaskets and hardwareAdjustable exhaust tipsHelmholtz resonators2.5" stainless steel piping16 gauge 304 stainless steel Fully mandrel bend piping4.5" dual-layer exhaust tipsDirect bolt-on installation to factory exhaustMay not fit other aftermarket exhaust systemDoes not fit Q60.