Supertrapp Stout 4" black

Art no.: 66-4617

Buy it now without account:

Non-Tunable, massive 4" body Slip-Ons.
Newly developed core.
Streamlined, internal Tapered, Billet Aluminum End Cap comes pre-installed.
The recessed fasteners in the End Caps are a sign of the true craftsmanship that went into the design of these pipes.
Newly shaped inlets flow better into the OEM head pipe.
2.4dB louder than stock @ 95.6dB
Newly-developed tapered core on 10-Up models
Heavy, broad spread power curve from idle
9.3 (16%) hp & 10.5 (14%) torque gain over stock
SAE-J2825 sound compliant
Compatible w/ SuperTrapp True Duals and OEM headers
black
SuperTrapp OEM # 147-65222