Customer Ratings
FMF Q4 Full Exhaust w/MegaBomb Pipe Spark Arrestor Silencer Honda CRF450RL 21-25
This combo kit includes:
FMF Part # 041578 - Q4 HEX Slip-On Exhaust Pipe
&
FMF Part # #041577 - MegaBomb Header Pipe.
These part numbers are intended for a CRF450X 2019+, BUT will work with the removal of one small exhaust tab on the silencer as pictured. If you are not okay with this slight modification then please do not purchase. Please see finished pictures for a confident purchase!
FMF is the leader in high performance quiet technology and our Q4 HEX is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you don’t need to hear the power, just feel the power!
-Less sound equals more ground
-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
-MADE IN THE USA
Item ID:041578
Type:Slip-On
Configuration:Single
Const:Aluminum
Finish: Anodized Black
Midpipe:Stainless Steel
Endcap:Stainless Steel
Spark Arrestor:Screen Insert (included)
Carb Warning:no
Quiet Insert:Included
Weight:5.8 lbs.
Item ID:041577
Type:Header
Carb Warning:no
Header Const:Stainless Steel
Header Type:MegaBomb
Weight:1.8 lbs.
APPLICATIONS
Make Model Year
HONDA CRF450RL 19-24