EXHAUST
Natural
Blue anodized
TITANIUM POWERCORE
SLIP-ON MUFFLERS
Incredible horsepower gains with 99 dB sound level or less
Titanium construction with American TIMETAL ® canister and rear end cap
Designed with FMF’s exclusive Factory Forward Engineering – lowering the center of gravity and centralizing mass
Utilize advanced multistage packing material and a Hi-Flo stainless steel formed front end cap and mid-pipe
PowerCore 4 HEX features a unique canister design; internal shape of core uses Hi-Flo technology that provides enhanced sonic evacuation for
higher flow and increased power
Removable spark arrestor included and optional 94 dB insert available separately; see page 22
Natural or blue anodized muffler body
SUG. RETAIL .......................... $379.99
FITS MODEL
DESCRIPTION
P ART #
FITS MODEL
DESCRIPTION
P ART #
HONDA
YAMAHA
CRF250R 04-05
Natural
1821-0393
WR250F 07-14
Natural
1821-0579
CRF250R 11-13
HEX design, natural
1821-1552
Blue anodized
1821-0580
CRF250X 04-09/12-13
Natural
1821-0393
YZ250F 06-09
Natural
1821-0579
CRF450R 05-08
Natural
1821-0394
Blue anodized
1821-0580
KAWASAKI
YZ250F 10-13
HEX design, natural
1821-1573
KX450F 12-15
HEX design, natural
1821-1561
HEX design, blue anodized
1821-1574
SUZUKI
WR450F 07-11
Natural
1821-0579 HARDWARE &
RM-Z250 13-15
HEX design, natural
1821-1564
Blue anodized
1821-0580 MERCHANDISING
RMZ450 11-12
Blue anodized
1821-1423
YZ450F 06-09
Natural
1821-0579
Natural
1821-1527
Blue anodized
1821-0580
RMZ450 13-15
Blue anodized
1821-1526
HEX design, natural
1821-1566
HEX design, blue anodized
1821-1567
To avoid blueing, consider properly tuning the vehicle; however, the vehicle must always remain within the legal standards for emissions controls as
defined by EPA, CARB and any other applicable state laws.
DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.
SEE PAGE 4 FOR IMPORTANT EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND WARRANTY INFORMATION.
2017 PARTS UNLIMITED OFFROAD