This is the Exhaust Coupler for the Duratrax 835B Buggy, DTXD72**. FEATURES: Silicone construction, blue in color Connects manifold and tuned pipe INCLUDES: Exhaust Coupler (key #92) with two plastic Zip Ties (key #93) SPECS: Length: 1.8" (46.5mm) Diameter: 0.94" (23.8mm) jxs 08/16/12 ir/jxs