Sinfully Slick Auto Spa is a car detailing service in Worcester, Massachusetts, at 49 Erie Ave, Worcester. Opening hours: Mon–Sat 9 AM–5 PM · Sun Closed. Listed services: Window tinting service, Identifies as veteran-owned and Wheelchair accessible entrance and LGBTQ+ friendly and Appointment required. Call (617) 990-4521 to check prices or availability before you go.