PRO CIRCUIT T-4 Silencer CRF450R 2005 /CRF450X 2005-2015 4H05450 1821-0175 Sprocket Shaft Extension Measurements given are for rim

Measurements given are for rim diameter and actual width of the rim strips

Improves power and performance

Use with stock Honda rear turn signals

FOR CLOSED COURSE COMPETITION USE ONLY

Just what your GSXR1000 needs to clean up the tail section from Gravesport

PRO CIRCUIT T-4 Silencer CRF450R 2005 /CRF450X 2005-2015 4H05450 1821-0175 Sprocket Shaft Extension Measurements given are for rimDesigned to be used with OEM stock head pipes or Pro Circuit head pipes Ultra responsive performance Incredible horsepower gains when compared to stock Developed to increase the horsepower and torque throughout the power curve Aluminum stainless construction for reduced weight and increased durability Strong mounting bracket(s) for increased durability Designed for easy disassembly and re packing when needed Removable USFS approved spark arrestor 2005