2021 Honda CRF450R Exhaust Upgrade Parts
9 parts listed for your 2021 Honda CRF450R for a complete exhaust upgrade. Choose your trim on product pages to confirm exact fit. A moderate DIY project - estimated 2-5 hours.
Headers
(2)primary
Mufflers
(7)primary
FMF Racing
Part # 041603
FMF Racing Factory 4.1 RCT Anodized Titanium S/O
$990.71
FMF Racing
Part # 041600
FMF Racing Honda CRF450R/RX 21-24 Powercore 4 Hex Muffler
$440.31
FMF Racing
Part # 041601
FMF Racing Honda CRF450R/RX 21-24 Q4 S/A Muffler
$495.35
FMF Racing
Part # 041605
FMF Racing Honda CRF450X / RX 21-24 Anod Factory 4.1 RCT Complete System w/ TI MB Header
$1513.59
FMF Racing
Part # 041602
FMF Racing Honda CRF450X / RX 21-24 SS Alum Factory 4.1 RCT SO Muffler w/ R. Carbon Cap
$743.03
FMF Racing
Part # 041604
FMF Racing Honda CRF450X / RX 21-24 SS Aluminum Factory 4.1 RCT Complete System w/ TI MB Header
$1155.83
Wiseco
Part # VES038
Wiseco 13-20 Honda CRF450R Steel Exhaust Valve
$54.91
Exhaust Upgrade for Other Honda CRF450R Years
Other Jobs for Your 2021 Honda CRF450R
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2021 Honda CRF450R?
A complete exhaust upgrade on the 2021 Honda CRF450R typically requires headers, mufflers. This page groups parts commonly associated with that year, make, and model; confirm your trim on product pages for exact fit.
How long does a exhaust upgrade take on a 2021 Honda CRF450R?
A exhaust upgrade typically takes 2-5 hours and is rated as moderate difficulty. Actual time may vary depending on your experience and the specific parts being replaced.
Can I do a exhaust upgrade myself?
A exhaust upgrade is a moderate DIY project. If you have some mechanical experience and the right tools, you can handle it. Otherwise, consider having a professional do the work.
Are these parts guaranteed to fit my 2021 Honda CRF450R?
These parts are listed for the 2021 Honda CRF450R using manufacturer fitment data. Some products fit every trim, while others require trim confirmation. Use your trim in My Garage or the product page fitment checker to confirm exact fit.
What brands make exhaust upgrade parts for the 2021 Honda CRF450R?
We carry exhaust upgrade parts from trusted brands including FMF Racing and Wiseco. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 2021 Honda CRF450R?
The cost of a exhaust upgrade for the 2021 Honda CRF450R depends on the parts and brands you choose. Browse the parts on this page to see current pricing. Doing the work yourself saves significantly on labor costs.