This is the stock Plastic Tuned Pipe used on the 2.5 T-Maxx.
This is the muffler that attaches to the header.
FEATURES: Black plastic construction
Pre-installed pressure fitting
INCLUDES: One Tuned Pipe for the Traxxas T-Maxx.
REQUIRES: Nothing. This is a direct replacement part.
SPECS: Length: 114mm (4.49?!?)
Diameter of exhaust outlet (inner): 6mm (0.24?!?)