Exhaust Muffler
The more efficiently your go kart exhaust exits, the better the engine will perform.
Extreme Motor Sales has a large selection of exhaust mufflers for your go-kart/ go cart.
High Performance Exhausts available for GY6 150cc Go Kart Cart Engines.
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Exhaust Muffler Gasket for 150cc and 125cc GY6 4-stroke QMJ152/157 QMI152/157 and QMB139 engines.
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Rear Muffler for 150cc and 125cc GY6 engine based scooters and vehicles.
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Adiabatic Rubber on Mufflers for 150cc and 125cc GY6 engines.
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Exhaust Cap Nuts for GY6 150cc/125cc and QMB139 50cc engines.
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This Premium Exhaust Gasket Set includes a premium metal gasket, 2 stainless steel exhaust studs and 2 steel exhaust cap nuts. Please select Exhaust Stud diameter from drop down menu.
- 50cc/90cc, 2-stroke Minarelli engines typically use 6mm studs
- 50cc, 4-stroke QMB139 engines typically use 6mm studs
- 150cc, 4-stroke GY6 Stock engines typically use 6mm studs
- 150cc, 4-stroke GY6 Modified engines typically use 8mm studs
*Please note: you should double check your stud size before ordering, the information above is only a general guide
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4-stroke Exhaust pipe gasket for QMB139 4-stroke 50cc and GY6 4-stroke 125cc and 150cc engines.
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4-stroke Exhaust pipe gasket for QMB139 4-stroke 50cc and GY6 4-stroke 125cc and 150cc engines.
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Exhaust gasket for 180cc GY6 Engines such as the cylinder head on our 180cc Big Bore Head Kit.
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The HammerHead Performance 150cc Exhaust Kit comes complete with a head pipe, aluminum muffler with a laser-etched HammerHead Performance logo, metal intake, upgraded UNI air filter, the pilot and main jet for the carburetor, as well as an anodized billet end cap to match the color of your go-kart.
This kit is guaranteed to retrofit any Hammerhead 150cc go-kart on the market and will probably retrofit most other brands of 150cc go-karts or other similar GY6-150cc engines that are mounted the same way as the Hammerhead 150 engines such as American SportWorks, Trailmaster, Carter Bros, Kinroad, SunL, Massimo, Blade, Roketta, etc...
Not only does this kit sound very throaty and clear, but it is guaranteed to increase your acceleration power, top end speed and overall performance. You will be very pleased with what this kit will do for your kart's performance and looks.
**Please note that it is up to the purchaser to figure out the best combination of jets for the carburetor** -
After-market, performance muffler for the 12hp or 12.5hp Hammerhead 150cc karts
This muffler comes with the header and all the necessary hardware to replace your stock muffler.
This is NOT the 150cc Go-Kart Performance Exhaust Kit. This is ONLY Header Pipe and Muffler ONLY!!!
The main and pilot jets, 2-stage UNI filter, and air intake elbow are sold separately. -
High Performance Racing Exhaust Black for 150cc GY6 and 250cc 4-stroke CN250 172mm engine based scooters, ATVs and off-road karts.
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Hammerhead Exhaust for 150cc / Muffler for 150cc - 6.000.074 replaces 14760, 14199, 6.000.152, 6.000.015, 15321, 6.000.229