Sport M4 Roll Bar

The Hard Dog Sport M4 Roll Bar is a significant chassis enhancement, built from robust 1.75" diameter tubing with a .120" wall thickness and 3/16" mounting plates. It bolts directly to the six factory hoop anchor points, replacing the original aluminum cross brace and hoops for increased structural integrity. This M4 Sport model features additional support from two rearward braces, secured with grade 8 bolts and self-locking nuts. The main hoop of the M4 Sport bar utilizes the same structural attachments as the factory hoop, with options for double diagonal main hoop braces or no diagonals. The roll bar offers full seat travel and tilt, and the soft top version provides 3-1/4" more interior height than the factory metal hoops. Available finishes include a durable black powdercoat or polished stainless steel. Note that roll bars can reduce head clearance, and padding is highly recommended for street-driven vehicles. The M4 Sport roll bars are designed for the 2016-2025 Mazda MX-5 Miata ND series.