EXHAUST
FACTORY 4.1 RCT
SLIP-ON MUFFLERS
  • RCT (Resonance Chamber Technology) features a patented core shape that
  • lowers decibels while maintaining maximum power output
  • Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the
  • entire range of power
  • FMF’s Factory Forward Engineering centralizes mass and is less prone to crash damage
  • Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws
  • Compatible with stock header or FMF header
  • Meet AMA and FIM sound requirements
  • QuietCore 94db insert included
  • Spark arrestor included in muffler
  • Available in natural titanium or blue anodized finish with titanium or carbon fiber end caps
  • Made in the U.S.A.
  • SUG.
    SUG.
    FITS MODEL
    DESCRIPTION
    PART #
    RETAIL
    FITS MODEL
    DESCRIPTION
    PART #
    RETAIL
    HONDA
    KAWASAKI (CONT)
    CRF250R 11-13
    Stainless steel slip-on muffler w/ carbon fiber end cap 1821-1385 $449.99
    KX450F 09-11
    Stainless steel slip-on muffler w/ carbon fiber end cap 1821-1392 $424.99 CONTROLS
    Titanium slip-on muffler w/ carbon fiber end cap
    1821-1212 599.99
    Stainless steel/ aluminum slip-on muffler
    1821-1398 399.99
    CRF250R 14-15
    Single slip-on muffler RCT, titanium, carbon fiber end
    Titanium slip-on muffler
    1821-1225 499.99
    cap and UFO side panel
    1821-1599 2 599.99
    Anodized titanium slip-on muffler
    1821-1226 499.99
    Single slip-on muffler RCT, titanium, and UFO side panel 1821-1600 2 599.99
    Titanium slip-on muffler w/ carbon fiber end cap
    1821-1227 549.99 BODY
    Single slip-on muffler, aluminum, carbon fiber end cap,
    KX450F 12-15
    Stainless steel slip-on muffler w/ carbon fiber end cap 1821-1393 424.99
    and UFO side panel
    1821-1601 2 499.99
    Stainless steel/ aluminum slip-on muffler
    1821-1399 399.99
    Dual mufflers, anodized Ti, carbon fiber end caps
    1821-1597 899.99
    Titanium slip-on muffler
    1821-1335 499.99
    Dual mufflers, stainless/ aluminum, carbon fiber end caps 1821-1598 699.99
    Anodized titanium slip-on muffler
    1821-1336 499.99 GRAPHICS
    CRF450R 09-10
    Stainless steel slip-on muffler
    1821-1065 1 449.99
    Titanium slip-on muffler w/ carbon fiber end cap
    CRF450R 11-12
    1821-1337 549.99 & SEATS
    Stainless steel slip-on muffler w/ carbon fiber end caps 1821-1386 449.99
    KX450F 16-17
    Stainless steel slip-on muffler w/ carbon fiber end cap 1821-1726 424.99
    Stainless steel aluminum slip-on muffler
    1821-1390 424.99
    Anodized titanium slip-on muffler w/ carbon fiber
    Titanium slip-on muffler
    1821-1215 549.99
    end cap
    1821-1728 549.99
    CRF450R 13-16
    Dual mufflers, stainless steel w/ carbon fiber end cap
    1821-1470 699.99
    KTM
    Dual mufflers, blue anodized titanium w/ carbon fiber
    250/ 350/ 450
    Stainless steel/ aluminum slip-on muffler
    1821-1634 374.99
    end caps
    1821-1471 899.99
    SX-F 07-15, XCF Stainless steel slip-on muffler w/ carbon fiber end cap 1821-1633 399.99
    Stainless steel/ aluminum single slip-on muffler
    07-15, XCFW
    Titanium slip-on muffler
    1821-1630 449.99
    w/ carbon fiber end cap and UFO side panel
    1821-1541 2 499.99
    08-14, SMR
    Anodized titanium slip-on muffler w/ carbon fiber
    Blue anodized titanium single slip-on muffler w/ carbon
    07-10
    end cap
    1821-1631 499.99
    fiber end cap and UFO side panel
    1821-1542 2 599.99
    250/ 350/ 450
    Titanium single slip-on muffler and UFO side panel
    1821-1543 2 599.99
    SX-F/XC-F 16-17 Anodized titanium slip-on muffler w/ carbon fiber end cap 1821-1698 499.99
    CRF450R 17
    Dual mufflers, stainless steel w/ carbon fiber end caps 1821-1813 774.99
    250/ 450
    Stainless steel/ aluminum slip-on muffler
    1821-1718 374.99
    Dual mufflers, anodized Ti, carbon fiber end caps
    1821-1814 949.99
    SX-F FE 15
    Stainless steel/ aluminum slip-on muffler w/ carbon
    CRF450X
    fiber end cap
    1821-1719 399.99
    05-09/12-14
    Stainless steel/ aluminum slip-on muffler
    1821-1563 399.99
    Titanium slip-on muffler
    1821-1720 449.99
    HUSQVARNA
    Anodized titanium slip-on muffler
    1821-1721 449.99
    FE 250/ 350 14-16 Stainless steel/ aluminum slip-on muffler
    1821-1634 374.99
    350 EXC-F 12-15,
    1821-1416 449.99 ACCESSORIES
    Stainless steel slip-on muffler w/ carbon fiber end cap 1821-1633 399.99
    500 EXC 12-15 Titanium slip-on muffler
    Titanium slip-on muffler
    1821-1630 449.99
    SUZUKI
    Anodized titanium slip-on muffler w/ carbon fiber end cap 1821-1631 499.99
    RM-Z250 10-12
    Stainless steel slip-on muffler w/ carbon fiber end cap 1821-1400 424.99
    FC 250/ 450 14-15, Stainless steel/ aluminum slip-on muffler
    1821-1640 374.99
    Titanium slip-on muffler w/ carbon fiber end cap
    1821-1232 549.99
    FE 501 14-15
    Stainless steel slip-on muffler w/ carbon fiber end cap 1821-1641 399.99
    RM-Z250 13-17
    Stainless steel slip-on muffler w/ carbon fiber end cap 1821-1477 424.99 SUSPENSION
    Titanium slip-on muffler
    1821-1642 449.99
    Stainless steel/ aluminum slip-on muffler
    1821-1476 399.99
    Anodized titanium slip-on muffler
    1821-1643 449.99
    Titanium slip-on muffler
    1821-1478 499.99
    Anodized titanium slip-on muffler w/ carbon fiber
    Anodized titanium slip-on muffler
    1821-1479 499.99
    end cap
    1821-1644 499.99
    Anodized titanium slip-on muffler w/ carbon fiber end
    FC 250/ 350 16
    Stainless steel/ aluminum slip-on muffler w/ carbon
    cap
    1821-1480 549.99
    fiber end cap
    1821-1719 399.99
    RMZ450 11-17
    Stainless steel slip-on muffler w/ carbon fiber end cap 1821-1401 424.99
    Titanium slip-on muffler
    1821-1720 449.99
    Stainless steel/ aluminum slip-on muffler
    1821-1405 399.99
    Anodized titanium slip-on muffler
    1821-1721 449.99
    Anodized titanium slip-on muffler
    1821-1236 499.99
    TC 250 12-13
    Anodized titanium slip-on muffler w/ carbon fiber end cap 1821-1448 549.99
    RMX450Z 10
    Titanium slip-on muffler w/ carbon fiber end cap
    1821-1237 549.99
    TE250 10-12,
    YAMAHA
    TE310 11
    Stainless steel/ aluminum slip-on muffler
    1811-2624 424.99
    YZ250F 10-13
    Stainless steel slip-on muffler w/ carbon fiber end cap 1821-1406 424.99
    TE310 10/
    Stainless steel/ aluminum slip-on muffler
    1821-1410 399.99
    TE510 09
    Stainless steel/ aluminum slip-on muffler
    1811-2621 424.99
    Anodized titanium slip-on muffler
    1821-1261 499.99
    TC449 11-13
    Titanium slip-on muffler
    1821-1318 499.99
    Titanium slip-on muffler w/ carbon fiber end cap
    FC 450 16
    Stainless steel/ aluminum slip-on muffler
    1821-1718 374.99
    1821-1262 549.99 ENGINE
    YZ250F 14-17
    Stainless steel/ aluminum slip-on muffler w/ carbon
    Stainless steel/ aluminum slip-on muffler w/ carbon
    fiber end cap
    1821-1610 3 449.99
    fiber end cap
    1821-1719 399.99
    Titanium slip-on muffler
    1821-1611 599.99
    Titanium slip-on muffler
    1821-1720 449.99
    Anodized titanium slip-on muffler
    1821-1721 449.99
    Anodized titanium slip-on muffler w/ carbon fiber end cap 1821-1612 599.99 FUEL/AIR
    YZ450F 10-13
    KAWASAKI
    Stainless steel slip-on muffler w/ carbon fiber end cap 1821-1407 399.99 SYSTEMS
    Stainless steel/ aluminum slip-on muffler
    1821-1411 374.99
    KX250F 09-16
    Stainless steel slip-on muffler w/ carbon fiber end cap 1821-1391 424.99
    Titanium slip-on muffler
    1821-1265 449.99
    Stainless steel/ aluminum slip-on muffler
    1821-1397 399.99
    Titanium slip-on muffler w/ carbon fiber end cap
    1821-1267 499.99
    Titanium slip-on muffler
    1821-1220 499.99
    YZ450F 14-17
    Stainless steel slip-on muffler w/ carbon fiber end cap 1821-1535 449.99
    Anodized titanium slip-on muffler
    1821-1221 499.99
    Titanium slip-on muffler
    Titanium slip-on muffler w/ carbon fiber end cap
    1821-1222 549.99
    1821-1536 599.99 MERCHANDISING
    Anodized titanium slip-on muffler w/ carbon fiber end cap 1821-1537 599.99
    KX250F 17
    Stainless steel/ aluminum slip-on muffler w/ carbon
    fiber end cap
    1821-1796 424.99
    1 No spark arrestor.
    2 Includes left-side rear number plate by UFO, designed for use with a single muffler,
    Titanium slip-on muffler
    1821-1797 499.99
    Titanium slip-on muffler w/ carbon fiber end cap
    1821-1798 549.99
    PART #0520-1300 (also available separately).
    3 QuietCore not included.
    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