Menu
Shop By Category
Stores
0 items
Cart
We have updated our Privacy Policy. Please click here to review the updates. Accept

This product is vehicle specific. Click here to select your bike to ensure fitment.

We're sorry but all Material options for this product are currently out of stock.

You can be notified upon their arrival by choosing the Material option you are interested in and then entering your email in the box below.

Looking for something else?

Out of Stock

FMF Factory 4.1 RCT Slip-On Exhaust Honda CRF450X 2019-2021

Read 3 Reviews Write a Review
Titanium/Blue Titanium/Carbon Fiber Fullscreen Zoom
$494.99
$549.99
Save $55.00 10%
Fastlane

Blemished/Refurbished

This item is available as a Blem/Refurb. These are items that cannot be sold as "New" merchandise and are limited to stock on hand. See the product details for a description of the product's condition.

Ships Free to Cycle Gear Stores!

Ship to an Address:
Please select a to view availability.

Add to Cart Qty

Pick-up in Store:
Cycle Gear Pacheco Check Nearby Stores

Reserve for Pickup
Add To Wish List
The Cycle Gear Difference
  • 30-Day Best Price Guaranteed
  • Free Shipping Over $49
  • No-Hassle Returns View Details

Related Categories

This product is legal in California only for racing vehicles which may never be used, registered or licensed for use upon a highway.

FMF Factory 4.1 RCT Slip-On Exhaust Honda CRF450X 2019-2021 Resources

FMF Factory 4.1 RCT Slip-On Exhaust Honda CRF450X

The FMF Factory 4.1 RCT Slip-On incorporates the latest in FMF Resonance Chamber Technology both internally and externally. In addition, FMF has achieved a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering which moves the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from aerospace grade materials that meet FMF’s exacting specifications and is manufactured 100% in their Southern California factory.

Features:

  • Massive power gains throughout the RPM range
  • Huge weight savings over stock exhaust
  • RTS (Rapid Tuning System) for quick and easy trackside tuning
  • Removable spark arrestor included
  • Quiet insert included (94db)
  • Weight: 5 lbs
  • Can be used with FMF or stock OEM Header
  • 100% made in the USA
Read More

This product is vehicle specific. Click here to select your bike to ensure fitment.

This Product Fits:

Honda
CRF450X 2019, 2020, 2021

This item is also available for 110 other models:

Gas Gas
EX 250F 2021
EX 350F 2021
EX 450F 2021
MC 250F 2021
MC 450F 2021
Honda
CRF250R 2011-2013
CRF250R 2014-2017
CRF250R 2018-2021
CRF250RX 2019-2021
CRF450R 2011-2012
CRF450R 2013-2016
CRF450R 2017-2018
CRF450R 2019-2020
CRF450RX 2017-2018
CRF450RX 2019-2020
CRF450X 2005-2017
Grom MSX125 2014-2015
Husaberg
FE250 2013-2014
FE350 2013-2014
FE501 2013-2014
Husqvarna
FC250 2014-2015
FC250 2016-2017
FC250 2019-2021
FC350 2015
FC350 2016-2017
FC350 2019-2021
FC450 2014-2015
FC450 2016-2017
FC450 2018-2021
FC450 Rockstar Edition 2018-2020
FE250 2017
FE250 2014-2016
FE350 2017
FE350 2014-2016
FE450 2017
FE450 2015-2016
FE501 2014-2016
FE501 2017-2019
FX350 2017
FX350 2019-2021
FX450 2017
FX450 2019-2021
TC449 2011-2013
KTM
250 EXC-F 2017
250 SX-F 2016
250 SX-F 2019-2021
250 SX-F 2009-2015
250 SX-F Factory Edition 2015-2017
250 XC-F 2016-2017
250 XC-F 2019-2021
250 XC-F 2009-2015
250 XCF-W 2009-2015
350 EXC-F 2017
350 SX-F 2016
350 SX-F 2019-2021
350 SX-F 2011-2015
350 XC-F 2016-2018
350 XC-F 2019-2021
350 XC-F 2011-2015
350 XCF-W 2012-2016
400 XC-W 2009-2010
450 EXC 2009-2011
450 EXC-F Six Days 2017-2019
450 EXC-R 2008
450 SMR 2013
450 SX-F 2016
450 SX-F 2018-2021
450 SX-F 2007-2015
450 SX-F Factory Edition 2015-2017
450 SX-F Factory Edition 2018
450 SX-F Factory Edition 2012-2014
450 XC-F 2016-2017
450 XC-F 2019-2021
450 XC-F 2009-2015
450 XC-W 2009-2015
500 EXC 2017
500 EXC 2012-2016
500 EXC-F 2018-2019
500 XCF-W 2012-2014
500 XC-W 2013-2015
505 SX-F 2008
505 XC-F 2008-2009
530 EXC 2009-2011
530 EXC-R 2008
530 XC-W 2009-2010
Kawasaki
KX250 2019-2020
KX250F 2009-2016
KX250F 2017-2018
KX450 2019-2021
KX450F 2009-2011
KX450F 2012-2015
KX450F 2016-2017
Suzuki
RMZ250 2010-2012
RMZ250 2013-2018
RMZ250 2019-2021
RMZ450 2011-2017
RMZ450 2018-2021
Yamaha
WR250F 2015-2018
WR450F 2019
WR450F 2016-2017
YZ250F 2010-2013
YZ250F 2019-2020
YZ250F 2014-2018
YZ250FX 2020
YZ250FX 2015-2018
YZ450F 2010-2013
YZ450F 2018-2021
YZ450F 2014-2017
YZ450FX 2019-2020
YZ450FX 2016-2017
Product Style Item # Store SKU Manufacturer Product # Availability
Product Style Titanium/Blue Titanium/Carbon Fiber Item # 1805071 Store SKU Manufacturer Product # 041587 Availability Out of Stock