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FMF Racing Powercore 4 Slip-On Mufflers

5.0 out of 5 stars 5 Customer Reviews

FMF Racing Powercore 4 slip-on mufflers are designed for closed course competition. Built to provide you with improved torque, increased horsepower, and rugged durability, they deliver race-inspired performance. They are made of durable stainless steel and aluminum construction, along with advanced packing material for maximum longevity. They also offer an optional 96 dB quiet insert. Get the power you crave for your ride with these FMF Racing Powercore 4 slip-on mufflers.

Showing In Stock Items. Show All 26 Items.

Results 1 - 23 of 23

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 041579

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

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Estimated Ship Date: Today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 041274

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: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 042308

Muffler, Powercore 4, Hexagon, Aluminum/Stainless Steel, Natural, Turndown Outlet, Kawasaki, Each

Part Number: FMF-042308

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 044228

Muffler, Powercore 4, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, Yamaha, Each

Part Number: FMF-044228

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 044222

Muffler, Powercore 4, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, Yamaha, Each

Part Number: FMF-044222

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 043376

Exhaust, Powercore 4 and Powercore 4 S/A Muffler, Slip-On Aluminum

Part Number: FMF-043376

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 044404

Muffler, Powercore 4, Aluminum/Stainless Steel, Natural, Turndown Outlet, Yamaha, Each

Part Number: FMF-044404

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 043379

Exhaust, Powercore 4 and Powercore 4 S/A Muffler, Slip-On Aluminum

Part Number: FMF-043379

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 044263

Muffler, Powercore 4, Oval, Aluminum/Stainless Steel, Natural, Wrapped perforated Core, Yamaha, Each

Part Number: FMF-044263

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 044141

Muffler, Powercore 4, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, Yamaha, Each

Part Number: FMF-044141

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 044224

Muffler, Powercore 4, Oval, Wrapped Perforated Core, Aluminum/Stainless Steel, Natural, Yamaha, Each

Part Number: FMF-044224

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 045521

Muffler, Powercore 4, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, BETA, Each

Part Number: FMF-045521

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 045589

Muffler, Powercore 4, Hexagon, Aluminum/Stainless Steel, Natural, Turndown Outlet, fHusqvarna, KTM, Each

Part Number: FMF-45589

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 041273

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: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 041514

Muffler, Powercore 4 Slip-On, Hexagon, Aluminum/Stainless Steel, Natural, Turndown Outlet, for use on Honda®, Each

Part Number: FMF-041514

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 042319

Muffler, Powercore 4 Slip-On, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, Kawasaki, Each

Part Number: FMF-042319

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 042327

Muffler, Powercore 4, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, Kawasaki, Each

Part Number: FMF-42327

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 044220

Muffler, Powercore 4, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, Yamaha, Each

Part Number: FMF-044220

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 044300

Mufflers, Powercore 4, Oval, Wrapped Perforated Core, Aluminum/Stainless Steel, Natural, Yamaha, Each

Part Number: FMF-044300

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 041276

Muffler, Powercore 4, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, for use on Honda®, Each

Part Number: FMF-041276

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 042123

Muffler, Powercore 4, Oval, Aluminum/Stainless Steel, Natural, Turndown Outlet, Kawasaki, Each

Part Number: FMF-042123

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 044423

Muffler, Powercore 4 Slip-On, Hexagon, Aluminum/Stainless Steel, Natural, Turndown Outlet, Yamaha, Each

Part Number: FMF-044423

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

FMF Racing Powercore 4 Slip-On Aluminum Inch Muffler 045553

Muffler, Powercore 4 Slip-On, Hexagon, Aluminum/Stainless Steel, Natural, Turndown Outlet, Husqvarna, KTM, Each

Part Number: FMF-045553

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

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