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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 33 Items.
Muffler, Powercore 4, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, for use on Honda®, Each
Part Number: FMF-041584
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Turbo S-Tube, Stainless Steel, Natural, Oval, 2.500 in. Center Inlet, 2.500 in. Center Outlet, 18.000 in. Overall Length, Each
Part Number: STW-TM4S25C25C
Not Yet Reviewed
Estimated Ship Date: Jul 3, 2026 if ordered today
Estimated Ship Date: Jul 3, 2026 if ordered today
Muffler, 2.00 in. Offset Inlet, 2.00 in. Offset Outlet, Opposite Side, 18.00 in. Overall Length, Oval, Stainless Steel, Turbo, Each
Part Number: STW-TM4S2O2OPS
Not Yet Reviewed
Estimated Ship Date: Jul 3, 2026 if ordered today
Estimated Ship Date: Jul 3, 2026 if ordered today
Muffler, Powercore 4, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, Kawasaki, Each
Part Number: FMF-042161
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Muffler, Turbo S-Tube, Stainless Steel, Natural, Oval, 2.500 in. Offset Inlet, 2.500 in. Offset Outlet, 18.000 in. Overall, Same Side I/O, Each
Part Number: STW-TM4S25O25OSS
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 15, 2026 if ordered today
Estimated Ship Date: May 15, 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 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Q4 HEX MFLR KAW
Part Number: FMF-042410
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Muffler, 2.00 in. Offset Inlet, 2.00 in. Center Outlet, 18.00 in. Overall Length, Oval, Stainless Steel, Chambered, Each
Part Number: STW-TM4S2O2C
Not Yet Reviewed
Estimated Ship Date: Jun 30, 2026 if ordered today
Estimated Ship Date: Jun 30, 2026 if ordered today
Muffler, Turbo S-Tube, Stainless Steel, Natural, Oval, 2.250 in. Offset Inlet, 2.250 in. Offset Outlet, 18.000 in. Overall, Same Side I/O, Each
Part Number: STW-TM4S22O22OSS
Not Yet Reviewed
Estimated Ship Date: Jun 30, 2026 if ordered today
Estimated Ship Date: Jun 30, 2026 if ordered today
Muffler, Powercore 4, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, for use on Honda®, Each
Part Number: FMF-041582
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Muffler, Turbo S-Tube, Stainless Steel, Natural, Oval, 2.500 in. Center Inlet, 2.500 in. Offset Outlet, 18.000 in. Overall Length, Each
Part Number: STW-TM4S25C25O
Not Yet Reviewed
Estimated Ship Date: Jun 30, 2026 if ordered today
Estimated Ship Date: Jun 30, 2026 if ordered today
Muffler, Powercore 4, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, for use on Honda®, Each
Part Number: FMF-041580
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 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 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Q4 4-Stroke Quiet Series Exhaust Slip-On
Part Number: FMF-44435
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Muffler, Q4 Hex S/A Slip-On, Hex, Aluminum, Natural, Turndown Outlet, Kawasaki, Each
Part Number: FMF-042368
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Exhaust, Stainless Steel Q4 Spark Arrestor, Stainless Steel
Part Number: FMF-042388
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Muffler, Q4 Hex S/A Slip-On, Aluminum, Natural, Turndown Outlet, Husqvarna, KTM, Each
Part Number: FMF-045627
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
