4-Stroke
FMF Exhausts
BETA Models (Enduro)
Silencers
Titanium Body Anodized, Carbon Fibre End Cap
Factory 4.1 Header
Years
PC4/Q4 06-1966 06-9934 06-1966 06-9934 06-1966 06-1966
350 RR 350 RR 390 RR 390 RR 400 RR 400 RR
2010 - 18 2020 - 25 2017 - 18 2020 - 25 2010 - 13
06-1972 06-9933
.FMF.F
06-9934
.FMF.F
06-9934
06-9933 06-1967
2014
430/480 RR 430/480 RR
2015 - 16 2017 - 18 2020 - 25
06-1967 06-1967 06-9942 07-6002 06-1967 07-6002 06-9942 06-1967 06-1967
06-1966 06-9934
Factory F4.1 RCT
430 RR 450 RC 450 RR 450 RX 480 RR 498 RR 520 RR 520 RR
.FMF.F
06-9934 07-4002
2025
.T41
The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our Factory Forward Engineering - moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory.
2010 - 14 2024 - 25 2020 - 25 2010 - 14 2010 - 13
06-1966
.T41
07-4002 06-9934
.FMF.F
06-9934 06-1966 06-1966 06-1966
2014
GASGAS
Stainless Steel and Aluminium Construction
Silencers
Factory 4.1 Header
Models (Enduro)
Years
PC4/Q4 06-1747
EC 250F EC 250F EC 250F EX 250F EC 350F EX 350F EX 450F
2010 - 11
06-1746 06-1960
2012 2021
.FMF.F
06-9924 06-9907 06-9924 06-9907 06-9907
06-9924 06-9908 06-9924 06-9907 06-9907
2021 - 23
.F4
06-9904 06-9921 06-9905 06-9906
2021
.FMF.F
2021 - 23 2021 - 23
.F4 .F4
When designing the PowerCore 4 HEX, we looked at our top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability all at a price that won’t break the bank. Powercore 4 Hex
HONDA Models (Enduro)
Silencers
Factory 4.1 Header
Years
PC4/Q4 06-1684 06-1684 06-060 06-061 06-060 06-062 06-063 06-063 06-063 06-062 06-1944 06-9913 * * * * * * * * 06-1939 06-9914 06-1717 06-1717 06-1717 06-9915
2004 - 25 2000 - 03
* *
CRF 50F
XR 50
CRF 70F CRF 70F
2004
2005 - 12 2001 - 03 2004 - 13 1986 - 90 1993 - 00 1986 - 00 2001 - 03 2013 - 18 2019 - 26 2014 - 18 2019 - 25 2003 - 17 2003 - 17
XR 70
CRF 80/100F
Megabomb Header
XR 80 XR 80 XR 100
The science behind the Megabomb header may be our greatest engineering accomplishment to date. You can pay an engine builder thousands or bolt on a Megabomb for as much as a 3hp boost! Plus, the megabomb actually reduces noise levels by as much as 1.5dB. The megabomb header will have you pulling holeshots and dusting all the boys on the way up Competition Hill. Simply bolt it on and go faster.
XR 80/100 CRF 110F CRF 110F CRF 125F CRF 125F CRF 150F CRF 230F CRF 230F CRF 250F
*
.FACT
06-9913
07-6016
*
.FACT
06-9914
06-9935
06-1940 06-1940
2019
2019 - 25
CRF 250L Rally
2017 - 20 06-1697.RAL
CRF 250X
2004 - 17 1996 - 04 2005 - 09 2012 - 17 2019 - 25 1988 - 98
06-1696 06-151 06-1724 06-1724 06-9911
06-230
Powerbomb Header
XR 400
CRF 450X CRF 450X CRF 450X XR 600 XR 600 XR 650L XR 650L XR 650R XR 650R
.FMF.F4 .FMF.F4
06-1724 06-1724 06-9911
06-231 06-231 06-9912 06-182 06-182 06-182 06-182 06-191
The redesigned PowerBomb is a four-stroke header that incorporates FMF’s patented PowerBomb module at a
precise location in the initial stage of the header. By positioning this “Bomb” at a key point in the system, increased performance and flow is achieved through the expansion and contraction of exhaust sonics through the system. Result is a flow increase of nearly 10%! The outer chamber in the Powerbomb allows the air to expand, cool and ramp back up at a higher velocity. Additionally, the PowerBomb is a “pre-muffler” of sorts which helps to lower the bikes sound output by providing more sound absorbing surface area for the sound medium (exhaust gases).
.FMF.F
2000
1993 - 09 2012 - 20 2000 - 05 2006 - 07
06-067 06-067 06-164 06-164
*Includes header pipe
CRF250/450 Single Silencer Conversion Side Panel Left hand side panel to be used when converting your Honda CRF dual silencer back to a single silencer. For use on CRF250R 2014- 17 & CRF450 2013-16 models. Part No. .S/PANEL 06-1975
*Please visit our website for current prices
E-mail: sales@oro2u.com
www.oro2u.com
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