Traxxas T-Maxx 3.3 4x4 1/10 Nitro Monster Truck - RedProGraphix Painted Body Pre painted body with applied decals Tough front and rear tube bumpers Adjustable wheelie bar TRX 3. 3 Racing Engine Large bore piston and sleeve deliver extreme power Oversized dual stage air filter Polished aluminum dual chamber tuned exhaust pipe Slide carburetor Knife edged connecting rod Large aluminum blue anodized cooling head Super light piston and rod High performance ball bearings Traxxas Stability Management (TSM)