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

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

You can be notified upon their arrival by choosing the Type and Material options 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 Exhaust System Honda CRF450R / CRF450RX 2019-2020

$1,349.99
$1,499.99
Save $150.00 10%

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 Springfield Check Nearby Stores
Please select a to view availability.

The Cycle Gear Difference
  • 30-Day Best Price Guaranteed
  • Free Shipping Over $49
  • No-Hassle Returns View Details
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 Exhaust System Honda CRF450R / CRF450RX

The FMF Factory 4.1 RCT 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 track-side tuning
  • Removable spark arrestor included
  • Quiet insert included (94db)
  • Meets AMA and FIM sound requirements
  • Dual Muffler systems include MegaBomb header
  • Single Muffler system includes PowerBomb header 
  • 100% made in the USA

Weight:

  • Dual Titanium / Blue Titanium / Carbon end cap 8.2 lbs
Read More

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

This Product Fits:


Honda
CRF450R 2019, 2020
CRF450RX 2019, 2020

This item is also available for 78 other models:

Honda
CRF150R 2007-2019
CRF250R 2014-2017
CRF250R 2018-2020
CRF250RX 2019-2020
CRF450R 2013-2014
CRF450R 2015-2016
CRF450R 2017-2018
CRF450RX 2017-2018
Husaberg
FE350 2013-2014
Husqvarna
FC250 2014-2015
FC250 2019-2020
FC250 2016-2018
FC350 2015
FC350 2016-2018
FC350 2019-2020
FC450 2014-2015
FC450 2016-2018
FC450 2019-2020
FC450 Rockstar Edition 2018-2020
FE250 2014-2015
FE350 2014-2015
FX350 2017-2018
FX350 2019-2020
FX450 2017-2018
FX450 2019-2020
KTM
250 SX-F 2011-2012
250 SX-F 2013-2015
250 SX-F 2019-2020
250 SX-F 2016-2018
250 SX-F Factory Edition 2015-2017
250 XC-F 2013-2015
250 XC-F 2019-2020
250 XC-F 2016-2018
250 XCF-W 2014-2016
350 EXC-F 2012-2015
350 SX-F 2011-2012
350 SX-F 2016-2018
350 SX-F 2019-2020
350 XC-F 2011-2012
350 XC-F 2016-2018
350 XC-F 2019-2020
350 XCF-W 2014-2016
350 XCF-W 2012-2013
450 SMR 2013
450 SX-F 2011-2012
450 SX-F 2013-2015
450 SX-F 2016-2018
450 SX-F 2019-2020
450 SX-F Factory Edition 2012-2014
450 SX-F Factory Edition 2015-2017
450 SX-F Factory Edition 2018
450 XC-F 2013-2015
450 XC-F 2016-2018
450 XC-F 2019-2020
450 XC-W 2012-2016
500 EXC 2012-2015
500 XCF-W 2012
500 XC-W 2013-2016
Kawasaki
KX250F 2009-2016
KX250F 2017-2020
KX450F 2012-2015
KX450F 2016-2017
KX450F 2019-2020
Suzuki
RMZ250 2013-2018
RMZ250 2019-2020
RMZ450 2011-2017
RMZ450 2018-2020
Yamaha
WR250F 2015-2019
WR450F 2016-2018
WR450F 2019
YZ250F 2019-2020
YZ250F 2014-2018
YZ250FX 2015-2019
YZ450F 2020
YZ450F 2014-2017
YZ450F 2018-2019
YZ450FX 2016-2018
YZ450FX 2019
Product Style Item # Store SKU Manufacturer Product # Availability
Product Style MegaBomb Titanium/Blue Titanium/Carbon Fiber / Dual Muffler Item # 1641311 Store SKU Manufacturer Product # 041576/41576 Availability Out of Stock