$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

Fall Clearance Sale - Save Today on The Parts You Need!

Availability

FMF Exhaust

FMF Racing Q4 Hex S/A Slip-On Mufflers

5.0 out of 5 stars 1 Customer Reviews

FMF Racing is the leader in high performance quiet technology and their Q4 HEX S/A slip-on mufflers are the next evolution in off-road exhaust. These slip-on muffle
FMF Racing is the leader in high performance quiet technology and their Q4 HEX S/A slip-on mufflers are the next evolution in off-road exhaust. These slip-on mufflers employ intricate chambers, baffles and proprietary multistage packing material which makes them the best performing quiet muffler available. With the Q4 you don't need to hear the power, just feel the power! FMF approached the design process of the Q4 HEX with the goal of achieving more power, while keeping noise levels to a minimum. After countless hours of testing, FMF proved you don't have to settle for a plugged up, horsepower-robbing moto muffler t
FMF Racing is the leader in high performance quiet technology and their Q4 HEX S/A slip-on mufflers are the next evolution in off-road exhaust. These slip-on mufflers employ intricate chambers, baffles and proprietary multistage packing material which makes them the best performing quiet muffler available. With the Q4 you don't need to hear the power, just feel the power! FMF approached the design process of the Q4 HEX with the goal of achieving more power, while keeping noise levels to a minimum. After countless hours of testing, FMF proved you don't have to settle for a plugged up, horsepower-robbing moto muffler to remain sound compliant. Key features: * Rugged design for off-road endurance * 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

Showing In Stock Items. Show All 12 Items.

Results 1 - 9 of 9

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 042388

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 042388

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 042388

Exhaust, Stainless Steel Q4 Spark Arrestor, Stainless Steel

Part Number: FMF-042388

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 14, 2025 if ordered today

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 045646

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 045646

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 045646

Muffler, Q4 Hex S/A Slip-On, Aluminum, Natural, Turndown Outlet, Husqvarna, KTM, Each

Part Number: FMF-045646

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 14, 2025 if ordered today

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 042393

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 042393

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 042393

Spark Arrestors, Stainless Steel Q4 Spark Arrestor

Part Number: FMF-042393

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 16, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 16, 2025 if ordered today

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 044442

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 044442

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 044442

Muffler, Q4 Hex S/A Slip-On, Aluminum, Natural, Turndown Outlet, Yamaha, Each

Part Number: FMF-044442

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 16, 2025 if ordered today

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 044435

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 044435

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 044435

Q4 4-Stroke Quiet Series Exhaust Slip-On

Part Number: FMF-44435

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 14, 2025 if ordered today

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 045667

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 045667

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 045667

Q4 Hex S/A Muffler

Part Number: FMF-45667

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 16, 2025 if ordered today

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 044452

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 044452

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 044452

Muffler, Q4 Hex S/A Slip-On, Aluminum, Natural, Turndown Outlet, Yamaha, Each

Part Number: FMF-044452

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 16, 2025 if ordered today

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 045627

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 045627

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 045627

Muffler, Q4 Hex S/A Slip-On, Aluminum, Natural, Turndown Outlet, Husqvarna, KTM, Each

Part Number: FMF-045627

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 16, 2025 if ordered today

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 042368

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 042368

FMF Racing Q4 Hex S/A Slip-On Aluminum Inch Muffler 042368

Muffler, Q4 Hex S/A Slip-On, Hex, Aluminum, Natural, Turndown Outlet, Kawasaki, Each

Part Number: FMF-042368

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 16, 2025 if ordered today

  • 1
  • Page 1 of 1

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify