This is the Large Wrap Around Pitts Muffler from J"TEC for use on the / DA50 Engine. / / FEATURES: Designed generally for inverted mounted engines / Uses the existing mounting bolt location and exhaust pattern / Light weight and offer large expansion chambers to help reduce noise / TIG welded for strength / / INCLUDES: One JTEC Wrap Around Pitts Muffler for the DA50 Engine / Two 5x35mm Mounting Bolts / / REQUIRES: Installation on the engine / / SPECS: Overall Width: 155mm (6") / Height (not including exhaust tubes): 150mm (5.9") / Length of Exhaust Tubes: 72mm (2.8")(may be cut shorter) / Tube Outer Diameter: 22.2mm (0.87")