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Performance Mufflers & More
Give your ride a new attitude with mufflers from Flowmaster, Magnaflow, Thrush, Hushpower, Cherry Bomb, and more! We’ve got direct-fit and universal mufflers in...
Give your ride a new attitude with mufflers from Flowmaster, Magnaflow, Thrush, Hushpower, Cherry Bomb, and more! We’ve got direct-fit and universal mufflers in a variety of shapes, sizes, inlet diameters, and inlet/outlet quantities. Bring that throaty performance sound to your street machine or musclecar with a chambered muffler or choose the superior noise reduction of a turbo-style muffler. For all-out race performance, shop our selection of glasspack mufflers, straight-through racing mufflers, and resonators. What does a high performance muffler sound like? You decide with our huge in-stock selection of mufflers...
Give your ride a new attitude with mufflers from Flowmaster, Magnaflow, Thrush, Hushpower, Cherry Bomb, and more! We’ve got direct-fit and universal mufflers in a variety of shapes, sizes, inlet diameters, and inlet/outlet quantities. Bring that throaty performance sound to your street machine or musclecar with a chambered muffler or choose the superior noise reduction of a turbo-style muffler. For all-out race performance, shop our selection of glasspack mufflers, straight-through racing mufflers, and resonators. What does a high performance muffler sound like? You decide with our huge in-stock selection of mufflers for musclecars, street rods, race cars, trucks, SUVs, and more!
Related Parts: Exhaust Tubing | Exhaust Tips | Exhaust Clamps | Exhaust Hangers
Showing In Stock Items. Show All 58 Items.
Muffler, Powercore 4, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, for use on Honda®, Each
Part Number: FMF-041581
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Powercore 4, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, for use on Honda®, Each
Part Number: FMF-041579
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Powercore 4, Hexagon, Aluminum/Stainless Steel, Natural, Turndown Outlet, Kawasaki, Each
Part Number: FMF-042308
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Muffler, Powercore 4, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, Yamaha, Each
Part Number: FMF-044141
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Muffler, Powercore 4, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, Yamaha, Each
Part Number: FMF-044228
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Q4 HEX MFLR KAW
Part Number: FMF-042410
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Muffler, Powercore 4, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, Yamaha, Each
Part Number: FMF-044222
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Powercore 4 Hex Muffler Kx450
Part Number: FMF-42401
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Muffler, Q4 Hex S/A Slip-On, Aluminum, Natural, Turndown Outlet, Yamaha, Each
Part Number: FMF-044442
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Powercore 4 Hex Muffler
Part Number: FMF-45666
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Spark Arrestors, Stainless Steel Q4 Spark Arrestor
Part Number: FMF-042393
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Muffler, Powercore 4, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, for use on Honda®, Each
Part Number: FMF-041274
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Muffler, Powercore 4 Hex, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, Husqvarna, KTM, Each
Part Number: FMF-045645
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Muffler, Powercore 4, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, for use on Honda®, Each
Part Number: FMF-041273
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Muffler, Powercore 4, Hexagon, Aluminum/Stainless Steel, Natural, Turndown Outlet, fHusqvarna, KTM, Each
Part Number: FMF-45589
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Muffler, Powercore 4, Aluminum/Stainless Steel, Natural, Turndown Outlet, Yamaha, Each
Part Number: FMF-044404
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Exhaust, Powercore 4 and Powercore 4 S/A Muffler, Slip-On Aluminum
Part Number: FMF-043379
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Muffler, Powercore 4, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, for use on Honda®, Each
Part Number: FMF-041284
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Muffler, Powercore 4 Hex, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, Yamaha, Each
Part Number: FMF-044441
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Muffler, Powercore 4, Oval, Wrapped Perforated Core, Aluminum/Stainless Steel, Natural, Yamaha, Each
Part Number: FMF-044224
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Slip-Ons and Silencers, Powercore 4 and Powercore 4 S/A Muffler
Part Number: FMF-042392
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Q4 4-Stroke Quiet Series Exhaust Slip-On
Part Number: FMF-44435
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Muffler, Q4 Hex S/A Slip-On, Aluminum, Natural, Turndown Outlet, Husqvarna, KTM, Each
Part Number: FMF-045646
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Muffler, Powercore 4 Hex, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, Yamaha, Each
Part Number: FMF-044451
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Exhaust, Powercore 4 and Powercore 4 S/A Muffler, Slip-On Aluminum
Part Number: FMF-043376
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
