Best 2 Stroke Silencer for Bikes, Dirt Bikes, and Small Engines

#1 · Best Overall

1. Pro Circuit 304 Silencer

• Material: Aluminum
• Weight: 12 oz

Best for: Noise-conscious two-stroke riders.

Why it ranks #1: Recommended for most two-stroke applications; its longer body is described as reducing noise output while adding top-end performance.

Pro Circuit says its 304 silencer’s slightly longer body adds top-end performance while reducing noise output, making it a relevant option for riders weighing those two priorities. The brushed-aluminum body pairs with a stainless-steel inlet tube and end cap, and the maker recommends it for most two-stroke applications.

The slightly longer body is the feature Pro Circuit associates with added top-end performance, while the same description says it reduces noise output. Its brushed-aluminum body and stainless-steel inlet tube and end cap provide clear material details for buyers comparing construction. The listed dimensions are 13.93 × 2.51 × 7.4 inches and the listed weight is 12 ounces. Pro Circuit recommends the silencer for most two-stroke applications, but the supplied facts do not give specific vehicle fitment.

Skip it if you need explicit fitment for named small-engine sizes; BADASS SHARKS CYMP1042H lists 50cc–150cc applications.

This suits two-stroke riders considering a silencer whose maker emphasizes top-end performance and reduced noise output. The aluminum and stainless-steel construction is specified, but the listing’s broad application recommendation leaves specific vehicle compatibility to verify.

Listed on Amazon as: Pro Circuit 1051665 304 2-Stroke Silencer, 1 Pack

#2 · Best Lightweight Canister

2. FMF PowerCore 2 Silencer

Best for: Lightweight FMF silencer seekers.

Why it ranks #2: A dedicated two-stroke silencer with a 2.0-pound listed weight and an extruded aluminum oval canister with perforated core.

FMF’s PowerCore 2 pairs a lightweight, extruded-aluminum oval canister with a perforated core, a concrete construction combination for riders prioritizing a lighter silencer. The supplied description identifies it as a 2-stroke PowerCore 2, while its 2.0-pound listed weight gives buyers a useful handling reference.

The extruded-aluminum oval canister and perforated core are the named construction features behind this PowerCore 2 listing; together, they distinguish its body and internal core design without requiring assumptions about sound or power gains. At 2.0 pounds, the stated weight can help riders compare handling considerations with their existing setup. FMF provides the model and part number 025225, but the supplied facts do not specify vehicle fitment or connection dimensions, so compatibility needs separate confirmation.

Skip it if you need stated fitment for 49cc–100cc motorized bikes; MBGYL AMJYMZ0164 lists that engine range.

This suits riders seeking an FMF 2-stroke silencer with an extruded-aluminum oval body and perforated core. Its 2.0-pound weight is stated, but the supplied listing gives no fitment dimensions, making vehicle and connection checks essential.

Listed on Amazon as: 2-Stroke PowerCore 2 Silencer by FMF Racing

#3

3. MBGYL Flexible Silencer

• Compatible with Vehicle Type: Scooter

Best for: Flexible motorized-bike exhaust routing.

Why it ranks #3: Lists fitment for 49cc to 100cc two-stroke engines and a flexible stainless-steel pipe for multi-angle installation.

A flexible stainless-steel expansion pipe and bendable silencer give the MBGYL exhaust an adjustable routing approach for 49cc–100cc motorized bikes and other listed small engines. Its package also includes a mounting gasket and nut kit, giving an installer specified hardware alongside the muffler assembly.

The adjustable pipe and bendable silencer support multi-angle installation, which can help route the exhaust around different engine positions. MBGYL lists 49cc, 60cc, 66cc, 80cc, and 100cc 2-stroke engines, as well as motorized bicycles, gas motor bikes, pocket bikes, scooters, and pit dirt bikes. Reinforced flange welding and a flexible pipe body are described as anti-deformation features. The included gasket and nut kit provide mounting items, though no connection measurements are supplied.

Skip it if you need a stated 40mm mounting-hole distance and a 470mm pipe; FVRITO FV-PQG020-HMH provides those measurements.

This suits owners of listed 49cc–100cc small engines who need flexible exhaust routing and included mounting hardware. Because the supplied details give no connection measurements, check the bike’s interface and mounting layout before installation.

Listed on Amazon as: Flexible 2-Stroke Exhaust Muffler Silencer for 49cc-100cc Motorized Bike

#4

4. FVRITO Flexible Exhaust

• Material: Alloy Steel
• Compatible with Vehicle Type: Bike
• Weight: 0.95 kg

Best for: Angled small-engine exhaust installs.

Why it ranks #4: Fits listed 49cc to 100cc engines, with a bendable stainless-steel section and installation at different angles.

A flexible stainless-steel section and bendable silencer let the FVRITO exhaust be mounted at different angles, addressing routing constraints on small-engine builds. Its stated fitment covers 49cc–100cc 2-stroke engines, including motorized bicycles, pocket bikes, scooters, and pit or dirt bikes, helping buyers identify relevant applications.

The long expansion pipe’s flexible stainless-steel section and bendable silencer support multiple mounting angles, which can help when engine position dictates the exhaust route. FVRITO lists compatibility across 49cc, 50cc, 60cc, 66cc, 80cc, and 100cc 2-stroke engines, with several small-bike types named. The listing describes this as an aftermarket replacement, but provides no connection dimensions; check the existing mounting and exhaust interfaces before relying on the broad fitment wording.

Skip it if you need stated mounting-hole spacing and included installation hardware; FVRITO FV-PQG020-HMH lists both.

This is suited to small-engine owners whose exhaust route needs a flexible, angle-adjustable section. The listed range spans 49cc–100cc 2-stroke applications, but the product details give no connection dimensions, so compare the interfaces before planning installation.

Listed on Amazon as: FVRITO Stainless Steel Flexible Exhaust Muffler Pipe Silencer Gasket for 2 Stroke 49cc 60cc 66cc 80cc 100cc Engine Gas Motorized Bicycle Motor Bike Black

#5 · Best Included Hardware

5. FVRITO Expansion Chamber

• Material: black
• Compatible with Vehicle Type: Bike
• Weight: 1.01 kg

Best for: Motorized-bike kit replacement shoppers.

Why it ranks #5: Fits listed 48cc to 80cc engines and includes an exhaust pipe, gasket, nut kits, and spark plug.

A 470mm expansion-chamber pipe comes with a gasket, nut kit, and spark plug, making this FVRITO listing a parts-included replacement option for specified small 2-stroke engines. Its 40mm mounting-hole distance and named YD100, BT100, and Zeda80 applications give buyers concrete fitment details to check.

The 470mm overall length and 40mm mounting-hole distance help buyers compare the pipe with an existing motorized-bike setup before installation. FVRITO lists 48cc, 49cc, 50cc, 60cc, 66cc, and 80cc engines, including YD100, BT100, and Zeda80 2-stroke applications. A gasket, nut kit, and spark plug are included, so the package covers several listed installation or replacement items. The supplied material is described as black, not as a specific metal type.

Skip it if you need a 49cc–100cc flexible exhaust with multi-angle routing; FVRITO PQG022-TH lists that wider engine range and bendable pipe.

This suits motorized-bike owners with a listed 48cc–80cc engine and a matching 40mm mounting-hole layout. The included gasket, nuts, and spark plug add practical replacement parts, while its stated fitment does not extend beyond 80cc.

Listed on Amazon as: FVRITO Performance Exhaust Muffler Expansion Chamber Pipe Silencer Gasket for 2 Stroke 50cc 66cc 80cc Engine Gas Motorized Bicycle Motor Bike Black

#6

6. HXGXKBQ Expansion Chamber

• Compatible with Vehicle Type: Motorcycle

Best for: Flexible 49cc–80cc bike exhausts.

Why it ranks #6: Lists 49cc, 60cc, and 80cc two-stroke engines; its two-piece, spring-held design can flex rather than pull at exhaust studs.

A spring-held, two-piece design lets this HXGXKBQ exhaust flex and move rather than acting as a rigid pipe, a useful distinction for motorized-bike installations. Its stated 49cc, 60cc, and 80cc 2-stroke fitment and included gasket give buyers a defined engine range and one specified installation component.

HXGXKBQ says the two-piece construction is more adjustable than solid versions and can flex under spring tension, helping the exhaust move instead of tearing away at the exhaust studs. The listing also describes noise reduction and safe, effective exhaust-gas release as functions of the muffler tip. Fitment is stated for 49cc, 60cc, and 80cc 2-stroke motorized bicycles, and one gasket is included. No mounting dimensions are supplied, so check the existing connection and layout.

Skip it if you need a listed 100cc application and multi-angle flexible routing; FVRITO PQG022-TH specifies both.

This suits owners of listed 49cc, 60cc, or 80cc motorized-bike engines who value a spring-held exhaust that can flex. The included gasket helps with installation planning, but the listing gives no mounting dimensions for fit checks.

Listed on Amazon as: Performance Exhaust Muffler Expansion Chamber Pipe Silencer Gasket

#7

7. YLQYYH Mini Dirt Bike Muffler

• Compatible with Vehicle Type: Motorcycle

Best for: Mini dirt-bike replacement buyers.

Why it ranks #7: A specific mini dirt-bike option for 47cc to 50cc motorcycles, with a stated 39mm bolt spacing to check against the bike.

A stated 39mm bolt spacing makes this YLQYYH muffler easier to screen against a mini dirt bike’s mounting points before purchase. The listing targets 47cc, 49cc, and 50cc 2-stroke off-road motorcycles and pit bikes, with 50cc mini dirt-bike suitability called out directly.

YLQYYH identifies this as an exhaust pipe muffler for mini dirt bikes and lists 47cc, 49cc, and 50cc 2-stroke motorcycle applications. The 39mm bolt spacing is the main supplied installation measurement, giving buyers a direct mounting-point check. The specifications also state a 1.53-inch inlet connection, so compare both the mounting spacing and inlet with the existing setup. The listing supplies no material or package-component details, leaving those aspects unspecified in the provided information.

Skip it if you need a 49cc–100cc pipe for motorized bicycles and scooters; MBGYL AMJYMZ0164 lists that broader engine range.

This is a focused option for a mini dirt-bike or pit-bike owner within the listed 47cc–50cc range. Check its 39mm bolt spacing and 1.53-inch inlet against the existing exhaust before treating it as a replacement match.

Listed on Amazon as: Exhaust Pipe Muffler For Mini Dirt Bike 2-Stroke 47 49 50cc Motorcycle Off Road Motorcycle Pit Bike

#8

8. BADASS SHARKS 22mm Muffler

• Material: Aluminum
• Compatible with Vehicle Type: Motorcycle

Best for: 22mm inlet replacement shoppers.

Why it ranks #8: Lists 50cc to 150cc engine fit and a 22mm inlet, with an adapter and asbestos gasket included in the package.

A 22mm inlet paired with a supplied adapter and gasket gives this BADASS SHARKS muffler a clear installation-oriented appeal for compatible small motorcycles. Its stated 50cc–150cc engine range and listed NSR, TZR, and RGV fitments help buyers narrow the match before choosing a replacement silencer.

The 60 × 280mm aluminum muffler has a 22mm inlet, making those dimensions the key checks against an existing exhaust connection. BADASS SHARKS also lists NSR150, NSR250, P2, P3, P4, TZR125, TZM150, RGV250, and TSR200 fitments, alongside motorized bikes, ATVs, and dirt bikes. The included adapter and asbestos gasket provide parts for installation, while the broad vehicle wording does not replace checking the actual inlet and mounting arrangement on the bike.

Skip it if you need a flexible expansion pipe for angled routing; the FVRITO PQG022-TH lists a bendable stainless-steel section.

This suits riders replacing a silencer on a listed motorcycle or a compatible 50cc–150cc small vehicle. Check the 22mm inlet and mounting points first; the included adapter and gasket do not establish fit for every universal application.

Listed on Amazon as: BADASS SHARKS 22mm Exhaust Muffler 2-Stroke 50cc-150cc Dirt Bike Scooter

#9

9. ABCERRSI 28mm Muffler

• Material: Aluminum
• Compatible with Vehicle Type: ATV, Motorcycle, Scooter
• Weight: 1.2 lb

Best for: Low-midrange torque focused riders.

Why it ranks #9: A universal-style aluminum muffler with a 28mm connection and adapter ring support for 26mm or 30mm original interfaces.

A built-in porous baffle and spiral airflow channel distinguish this 28mm ABCERRSI slip-on, with the listing tying that structure to torque at 3000–6000rpm. Its adapter ring supports 26mm and 30mm original interfaces, giving buyers specific connection sizes to consider for dirt bikes, scooters, motorcycles, and ATVs.

The porous baffle and spiral airflow channel are listed as the basis for optimizing torque at low and medium speeds, with a stated 12% low-torque increase versus a straight-through type. That claim is specified for 3000–6000rpm, rather than as a general performance promise. The 28mm muffler also includes an adapter ring for 26mm or 30mm original interfaces, which can help match those connections; its aluminum construction and 1.2-pound weight are additional practical details for installation planning.

Skip it if you need a flexible pipe for multi-angle routing on a 49cc–100cc bike; MBGYL AMJYMZ0164 lists that adjustable design.

This fits riders considering a slip-on for low- and mid-speed use who have a 28mm connection or a supported 26mm or 30mm interface. Its listed torque benefit is specific to 3000–6000rpm, so weigh that range against your riding needs.

Listed on Amazon as: 1.1" Motorcycle Slip On Muffler,28mm Universal Muffler Exhaust Slip on Exhaust Pipe Clamp Pipe For Dirt Bike Street Bike Scooter ATV Racing

#10

10. FMF 10589 Silencer

• Material: Stainless Steel
• Compatible with Vehicle Type: Car
• Weight: 0.27 g

Best for: FMF packing replacement buyers.

Why it ranks #10: The listing identifies FMF two-stroke muffler packing rather than clearly describing a complete silencer assembly, making the use case less certain.

FMF identifies the 10589 as 2-stroke muffler packing, making it a focused option for owners maintaining an FMF silencer rather than shopping for a complete exhaust pipe. Its stainless-steel material and compact 15 × 5.5 × 3-inch listed dimensions give buyers concrete details to check against their service needs.

The product title calls this a silencer, while the supplied feature specifically identifies FMF 2-Stroke Muffler Packing (010589); that makes confirming whether packing is the needed service item important before ordering. Stainless-steel material is specified, and the listed 15 × 5.5 × 3-inch dimensions provide a size reference. The specifications also state a 4-inch outlet connection, so buyers should treat the listing as a narrowly described part rather than assuming it is a universal replacement muffler.

Skip it if you need a complete pipe with flexible routing; FVRITO PQG022-TH lists a bendable expansion pipe and silencer.

This is most relevant to an owner sourcing FMF 2-stroke muffler packing for maintenance. The supplied details do not describe a complete exhaust assembly, so verify that packing—not a replacement pipe or silencer—is the required part.

Listed on Amazon as: FMF Racing 10589 Silencer