High Performance Big Bore Muffler Exhaust Pipe Assembly for Honda XR50 CRF50 XR 50 CRF 50 Chinese 70cc 110cc 125cc Dirt Pit Bike SDG SSR
Condition: New
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Availability:
In Stock.
Arrives
Jul 31 – Aug 4
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Features
- Complete high performance big bore exhaust system
- This is a complete one piece exhaust system from the head pipe to the tail section. This will make your bike breath with any engine modifications, and also sounds great with a stock bike.This PIPE makes your mini have that deep throaty sound like the big CRF's and gives your mini better throttle response and more power
- Fits Honda XR50, CRF50 and their copies
- Fits Chinese made 70cc, 110cc, and 125cc pit bikes
- Big bore 38.18mm big head
Brand: Kids ATV Parts Inc
Material: Aluminum
Vehicle Service Type: Motorcycle
Shape: Round
Installation Type: Clamp-On
Brand Name: Kids ATV Parts Inc
Manufacturer Part Number: IN-M0021
Manufacturer: Kids ATV Parts Inc
Compatible with Vehicle Type: Motorcycle
Installation Type: Clamp-On
Shape: Round
Material Type: Aluminum
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Jul 31 – Aug 4
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
Bought this for a ‘Flywing MX 100’ dirtbike. It’s a bit of weird model; it copied the Suzuki PW80 frame, but uses a clone Honda motor (aka Lifan engine). The stock configuration uses a 2 stroke exhaust, even though the engine is a 4 stroke (🤷♂️) I knew it wouldn’t be a “bolt on and go” product. To make it fit, all I had to do was slightly increase the 2nd bend in the header by about 15 degrees! It fit nicely afterwards, and sounds way, way better than the stock system. For $40 and a little effort, this is definitely a good value!
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Reviewed in the United States on April 22, 2021 by Ed
Very nice exhaust has a deep sound to it but fit great and mounted right up to my 140cc engine
Reviewed in the United States on May 17, 2025 by Logan T
This is a great buy for the money, I recently bought a crf50 with a blown engine, I put in a piranha 125 engine in it and ordered this big bore exhaust to match, the packaging wasnt the greatest but it looks pretty good and seems to be decent quality, bolted right up, fitment was good and it sounds very deep and throaty, sounds like crf450 lol for a $40 full exhaust system you really can't beat this, I definitely recommend!
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Reviewed in the United States on March 8, 2019 Reviewed in the United States on March 8, 2019 by Jordan G.
If you are looking for a budget exhaust system for your Honda Mini Trail bike this is it. It will not work right out of the box, but that should be expected. You will need a way to cut the pipe and the heat shield. I used a standard pipe cutter you can buy at any big box home improvement store and a angle grinder. Before you cut the pipe, you will need to heat the the pipe with a torch and bed the pipe slightly down so the muffler does not end up touching the seat. For my application I removed the heat shield and cut the pipe several inches past the last heat shield nut. I also used the pipe cutter to trim the exhaust muffler flange by about a half inch. As others have mentioned you will need a M6 set screw that is not included to mount the muffler on the pipe. Then use the angle grinder to trim the heat shield to fit. With about 60 minutes of work you will have a great muffler on your mini bike. Don't forget that you will still need a exhaust ring that you can also buy on Amazon.
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Reviewed in the United States on September 11, 2022 Reviewed in the United States on September 11, 2022 by Bob W.
Easy install, sounds good but leaks around the rivets pretty bad. Will need to drill them out, open it up and seal it. Rear plastic also hits the pipe and melts a bit. Going to wrap the pipe and see if that fixes it.
Reviewed in the United States on March 8, 2023 Reviewed in the United States on March 8, 2023 by robert koller
Sounds great on a 1973 Z50AE with a newer disign head
Reviewed in the United States on November 27, 2025 by Collin D.
With a little bending it fits perfectly on my 1964 Honda c200. Sounds really good. Very impressed with the price
Reviewed in the United States on January 13, 2025 Reviewed in the United States on January 13, 2025 by Bs
Put this on an older china quad, I had to heat it with a torch and tweak it in 2 places. I knew going into this that I'd have to modify it for my application as the quad I have has been discontinued for nearly 10years. The construction seems good, the chrome plating is better than average for a china part, and the welds a nice and not gloopy. My only gripe could be that I wish the muffler had been 2-3 inches longer. Overall it was $40 well spent
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Reviewed in the United States on November 24, 2020 by Adam T.