My Garage
We have updated our Privacy Policy. Please click here to review the updates.Accept
Looking for something else?
$350.99
$389.99
Save
$39.00
10%
Fastlane
Ships Free to Cycle Gear Stores!
The Cycle Gear Difference
- 30-Day Best Price Guaranteed
- Free Shipping Over $49
- No-Hassle ReturnsView Details
Related Categories
FMF Q4 HEX Spark Arrestor Slip-On Exhaust Yamaha YZ250F
The FMF Q4 HEX has always been in a league of its own and proves you don’t need to settle for a plugged up moto muffler hampered by an insert when you can have a compliant muffler engineered for power and performance.
Features:
- Less sound equals more ground (helps keep our riding areas open)
- Meets USFS and FIM World Enduro sound regulations
- Power gains throughout the entire RPM range
- Spark arrestor included
- Pounds lighter than stock
- Rugged design for off-road endurance
- Only US manufacturer to offer dedicated quiet exhaust systems
- Can be used with stock or FMF Header
- Weight: 5.9 lbs
- 100% Made in the USA
Read More
This Product Fits:
This item is also available for 128 other models:
- Beta
- 350 RR 2011-2017
- 350 RS 2012-2014
- 390 RR 2017
- 390 RR-S 2018
- 400 RR 2010-2014
- 400 RS 2011-2014
- 430 RR 2017
- 450 RR 2010-2014
- 450 RS 2011-2014
- 480 RR Race Edition 2017-2018
- 498 RR 2012-2014
- 520 RR 2011-2014
- 520 RS 2012-2014
- Honda
- CRF250L 2013-2016
- CRF250L 2017-2020
- CRF250L Rally 2017-2020
- CRF250R 2011-2013
- CRF250R 2014-2017
- CRF450R 2011-2012
- CRF450R 2013-2016
- CRF450R 2017-2020
- CRF450R Works Edition 2019
- CRF450RX 2017-2020
- CRF450X 2005-2017
- CRF450X 2019-2021
- Husqvarna
- FC250 2014-2015
- FC250 2016-2018
- FC250 2019-2021
- FC350 2015
- FC350 2016-2017
- FC350 2019-2021
- FC450 2014-2015
- FC450 2016-2017
- FC450 2019-2021
- FC450 Rockstar Edition 2018-2020
- FE250 2017-2019
- FE250 2014-2016
- FE350 2017-2019
- FE350 2014-2016
- FE450 2017-2019
- FE450 2015-2016
- FE501 2014-2016
- FE501 2017-2019
- FX350 2017-2018
- FX350 2019-2021
- FX450 2017-2018
- FX450 2019-2021
- TE310 2012-2013
- TXC 310 2012-2013
- KTM
- 250 SX-F 2016-2018
- 250 SX-F 2009-2015
- 250 SX-F Factory Edition 2015-2017
- 250 XC-F 2016-2018
- 250 XC-F 2019-2021
- 250 XC-F 2009-2015
- 250 XCF-W 2009-2016
- 350 EXC-F 2012-2015
- 350 EXC-F 2017
- 350 SX-F 2016-2018
- 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-R 2008
- 450 SMR 2013
- 450 SX-F 2016-2018
- 450 SX-F 2019-2021
- 450 SX-F 2007-2015
- 450 SX-F Factory Edition 2015-2017
- 450 SX-F Factory Edition 2018-2021
- 450 SX-F Factory Edition 2012-2014
- 450 XC-F 2016-2017
- 450 XC-F 2019-2021
- 450 XC-F 2009-2015
- 450 XCR-W 2008
- 450 XC-W 2009-2016
- 500 EXC 2012-2016
- 500 XCF-W 2012-2014
- 500 XC-W 2013-2016
- 505 SX-F 2008
- 505 XC-F 2008-2009
- 530 EXC 2009-2011
- 530 EXC-R 2008
- 530 XCR-W 2008
- 530 XC-W 2009-2010
- Kawasaki
- KLX250 2018-2020
- KLX250S 2009-2015
- KLX250SF 2009-2015
- KX250 2019-2020
- KX250F 2009-2016
- KX250F 2017-2018
- KX450 2019-2021
- KX450F 2009-2011
- KX450F 2012-2015
- KX450F 2016-2018
| Product Style | Item # | Store SKU | Manufacturer Product # | Availability |
|---|---|---|---|---|
| Product Style Stainless Steel/Aluminum/Stainless Steel | Item # 894547 | Store SKU | Manufacturer Product # 44387/044387 | Availability Available: Requires 3-5 business days of lead time prior to shipment |