Performance Exhaust Muffler Expansion Chamber Pipe Silencer Gasket for 2 Stroke 50cc 66cc 80cc 100cc Engine Gas Motorized Bicycle Motor Bike
Condition: New
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Availability:
In Stock.
Arrives
Sunday, Jun 28
Size: Split Pipe Muffler
Features
- Fitment: For 49cc 60cc 80cc 2-Stroke Engine Motor Motorized Bicycles Motorized Bike
- Feature: Muffler Exhaust Pipe.Durable and long service life.This muffler tip can not only reduce exhaust noise, also can release the exhaust gas safely and effectively.
- 2 Piece Design: 2 piece more adjustable than solid versions and safer on you and your motor mounts. Spring tension held together it is able if needed to flex and move instead of tearing away your exhaust studs
- Package include: 1 x Exhaust ,1 x Gasket ,2 x Springs
- Note: This is Performance Head Exhaust, if feeling it 's too loud you can add a muffler to the end of it.
Brand: HXGXKBQ
Material: Metal
Vehicle Service Type: Bike
Item Weight: 1 Kilograms
Shape: Split
Item Weight: 1 Kilograms
Compatible with Vehicle Type: Bike
Material Type: Metal
Shape: Split
Brand Name: HXGXKBQ
Manufacturer Part Number: 1
UPC: 787313484917
Manufacturer: Miao Machinery
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Jun 28
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: Split Pipe Muffler
Its under $40 cant complain on value. I love the design of this pipe!!! Can't say enough about it. The fact that it does come in two peices allows you to have the adjustment to fit any bike. The springs hold the two together very well but do not hold weight with the other mounting screws being the weight barring parts. Looks clean as hell too. I will post the sound once I get the new sproket in. The cannondale trail 8 bike I put this on has a super wide frame that most exhaust can't work. This pipe did amazing and has more room to play. Longevity items to test would be: *Paint durability (scratches very easy so I question heat resistance) *how parts hold together being a two peice (are their cons?)
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Reviewed in the United States on February 8, 2026 by Stephen b.
Size: Split Pipe Muffler
If you want your 2 stroke to be stupidly loud and the bane of your neighborhood, this thing is PERFECT for you. It fit fine on my 66cc 2 stroke bicycle kit engine. Power difference isn't anything crazy, but it sure is a lot easier than porting. you might need another bolt for the support bracket if the bolts on your clutch cover aren't long enough.
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Reviewed in the United States on April 18, 2026 by Dan
Size: Split Pipe Muffler
very loud .use the muffler that came with your kit and noise problem solved. and still have noticeable mid to upper power increase. 2 strokes love exspansion chambers. welds look like crap .recomended highly for you motorized bicycle fans.
Reviewed in the United States on June 26, 2025 by david
Size: Split Pipe Muffler
Had no fitting issues with this pipe. The workmanship is good and so are the welds. For those that say the spring mounts are welded out of alignment it may be that it was intended to pull on an angle in opposite directions as it works fine. Sure is hard to get the springs on. Better eat your Wheaties. The work I did to mount it was file the mounting flange flat and grind out just a bit of the weld to clear for the screw heads with washer. I made and aluminum 3/8 rod with 6mm stud in each end and screwed one side as a clutch cover bolt and made it longer to but a lock nut on the back. The other end is a washer, a rubber washer, the bracket then another rubber washer , steel washer and lock nut. I had to drill and file another hole in the bracket to line up with the stud. I have it mounted on a test bike that I test out ported motors. I can't comment on peak performance as I switch from gutted stock pipes and various carb combos. Like stock NT, a modified NT with key holed bore. A Bofang and a cheap HP carb. The key holed NT is taking a 3/8 end mill and cutting the top of the carb bore through to elongate it to increase the volume and flow. Just cut up to the point of your intake diameter on top. I will be fitting a screw in lawnmower muffler to the end of this pipe to easily remove and install at will. For the price I payed under 35.00 and I did not have to bend it to fit it is sure worth it.
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Reviewed in the United States on August 11, 2024 by Axel
Size: Split Pipe Muffler
Why did you pick this product vs others?: I was looking for an economy pipe for my motorized bike and this one looked good. Installing it was super easy. The springs give the pipe some needed movement, these motors vibrate like crazy. I'm still working on tuning it. I've got it on a 100cc motor and I have great low end power but it won't rev like it should and theres no power on the top end. I've tried jetting up and down and switched carbs and did the jet thing again. Seems to work best with a smaller jet (65) but still don't have the top end speed. It's a work in progress. More to come later.
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Reviewed in the United States on June 27, 2025 by Eddie S
Size: Split Pipe Muffler
Product worked great on my bike. Good fit but loud. You can put a silencer on it.
Reviewed in the United States on February 12, 2026 by Douglas W.
Size: Split Pipe Muffler
good day motorized bicycle gear heads, firstly it is true this is louder than your drill sargent, but people the power gains esp over flexable exhaust is crazy flex poopoo style held bike back badly and we all know factory pipe just dangeling down there waiting to ruin your day, its true most time either snaps studs or cause crash. now heres the trick replace factory with this remove allen bolt from clutch cover dig up same style thread bolt but a lil longer bolt up to cover with welded tab. remember that factory pipe sling it into vice cut about 2in from end. now with pipe still in vice heat evd withtorch straighten out as best as able slide that baby into end of this exhaust should fit snuggly use factory clamp to rig up stable mount to rear of bike and boom all the power from this awesome ppipe with no angry neighbors. forgot to mention this version imo is by far best one reason is its 2 piece so its more adjustable than solid versions and safer on you and your mmotor mounts reason is were its spring tension held together it is able if needed to flex and move instead of tearing away yourexhaust studs and ruining your ride and day. oh and its cheap ompared to most other restrictive flow pipes with its resonance chamber bike will be peppy and happy. what got to lose sellers got 30 day whateer warranty refund or replace cant beat it if dont like it return it and buy a diff. thanks stay safe out there,
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Reviewed in the United States on August 13, 2023 by Jamie S.
Size: Split Pipe Muffler
Good. Gave a performance boost. Easy to modify.
Reviewed in the United States on April 5, 2026 by Tara