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Hammerhead Performance Exhaust Kit for GY6

GY6 Performance Parts

If you're looking to take your go-kart or buggy to the next level, you're in the right place. From "mild" to "wild" we carry performance parts to fit most budgets and skill levels.   With our basic upgrades like roller weights and variators, you can fine-tune your engine's power delivery, providing a smoother and more responsive ride. Add add a high-flow UNI air filter kit so your engine can breathe easier, delivering more power and torque for better acceleration and top speed.

But that's not all - performance exhaust systems are also available for GY6 engines, allowing you to unlock even more horsepower and achieve a deep, throaty sound that will turn heads. Whether you're looking to upgrade your go-kart's top speed, acceleration, or overall performance, our performance parts are the way to go.

So why settle for stock performance when you can take your go-kart or buggy to the next level with high-quality performance parts? Whether you're a casual weekend warrior or a serious racer, GY6 performance parts will give you the competitive edge you need to get ahead of your riding buddies.
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Regular price $34.95
Sale price $34.95
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Our performance camshafts will change the power profile of your GY6 engine. There are different number codes for each type of camshaft. Generally speaking, the higher the number (e.g. A15), the mor...
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Regular price $29.99
Sale price $29.99
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Rectifier/Regulator Upgrade. For use with our 11-Pole stator.Keep in mind that this is an upgrade, which will work on any GY6 vehicle. However, you're responsible for researching the supporting wir...
Regular price $19.99
Sale price $19.99
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No rev limit. Advances ignition timing between 1500 - 3200rpm relative to stock CDIs. This produces a smoother idle & improves low-end throttle response. Simple Plug and Play installation.
Regular price $22.95
Sale price $22.95
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This stiffer transmission spring keeps your CVT transmission in lower gear longer, allowing higher RPMs at lower speeds. This extends the amount of throttle you can apply at low speeds, and ultimat...
Regular price $14.99
Sale price $14.99
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Changing out the rollers is one of the best bang-for-the-buck upgrades there is for 150cc GY6.Roller weights provide the up shifting forces for the CVT transmission by flinging outwards within the ...
Regular price $14.99
Sale price $14.99
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Unit price
per 
Changing out the rollers is one of the best bang-for-the-buck upgrades there is for 150cc GY6.Roller weights provide the up shifting forces for the CVT transmission by flinging outwards within the ...
Regular price $14.99
Sale price $14.99
Regular price
Unit price
per 
Changing out the rollers is one of the best bang-for-the-buck upgrades there is for 150cc GY6.Roller weights provide the up shifting forces for the CVT transmission by flinging outwards within the ...
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Regular price $335.00
Sale price $335.00
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Replaces the restrictive intake tract, filter, and exhaust system. Free of baffles or other internal restrictions. Mandrel bent header pipe. Deep throaty exhaust note. Built-in spark arrestor. Att...
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Regular price $139.99
Sale price $139.99
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This 155cc kit is the largest that can be used in the GY6 without machining of the cases. Perfect for rebuilding a worn out top end. Bolt-n-Go performance.See our other replacement and big bore kit...
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Regular price $144.99
Sale price $144.99
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60.3mm (+2.5 Oversize) Stroker Crankshaft for GY6 engines.Why strokers are important when going BIGStroked engines not only have a larger displacement than a stock engine, but there is also a great...
Regular price $22.95
Sale price $22.95
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This spring is between the stocker and the 1500RPM spring, and is recommended for 150cc GY6 scooters. Adds tension to the belt, but doesn't keep you in low gear as long as the stiffer springs.
Regular price $22.95
Sale price $22.95
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This is the stiffest of all available springs. These are only recommended if you're a dedicated low-speed rider. Works best when most riding is through trails and hills. Adds a significant amoun...
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Regular price $34.95
Sale price $34.95
Regular price
Unit price
per 
Our performance camshafts will change the power profile of your GY6 engine. There are different number codes for each type of camshaft. Generally speaking, the higher the number (e.g. A15), the mor...
Sold Out
Regular price $34.95
Sale price $34.95
Regular price
Unit price
per 
Our performance camshafts will change the power profile of your GY6 engine. There are different number codes for each type of camshaft. Generally speaking, the higher the number (e.g. A15), the mor...
Sold Out
Regular price $48.99
Sale price $48.99
Regular price
Unit price
per 
This switch fits in most 150 buggies without modification. 2 keys are included. You'll find these on vehicles that have lights that come on with the engine, not when the switch is turned.The key is...
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Regular price $34.95
Sale price $34.95
Regular price
Unit price
per 
Our performance camshafts will change the power profile of your GY6 engine. There are different number codes for each type of camshaft. Generally speaking, the higher the number (e.g. A15), the mor...