Motorcycle Exhaust Systems

Motorcycle Exhausts

Shop J&P Cycles for an aftermarket motorcycle exhaust that'll be heard before it's seen. We stock an exhaustive collection (see what we did there?) of components that will let you upgrade your bike from the headers all the way back to the muffler. Choose from a full exhaust system for an all-in-one solution or select a slip-on to help bring your monster to life. We carry parts from some of the best brands on the planet, including Akrapovic, Bassani, Cobra, Drag Specialties, Freedom Performance, Paughco, Rinehart, Vance & Hines and much more.

While you're shopping, we'd like to share a few tips for purchasing your new motorcycle exhaust. J&P Cycles recommends that you consult documentation from the U.S. EPA along with your respective local and state regulatory agencies to confirm compliance for the motorcycle exhaust you are considering. We also suggest changes to carburetor jetting and use of an aftermarket fuel injection control module. As always, our team of knowledgeable and dedicated technicians are here to help you with your exhaust questions — before and long after the sale.

Motorcycle Exhaust FAQ's

What's the difference between a slip-on exhaust and a full system?
A "slip-on" exhaust just replaces the muffler (the "can") at the end of the pipe. It's an easy, 30-minute install that's all about improving the look and sound. A "full system" exhaust replaces everything, from the engine's exhaust ports all the way back. This is a bigger, more expensive install, but it's where you get real performance and weight-saving gains.

Will a new exhaust give my bike more horsepower?
A slip-on? Not really. It's almost entirely for sound. A full system? Absolutely. A well-designed 2-into-1 or 4-into-1 system is engineered to create "scavenging," a back-pressure effect that helps pull more air and fuel into the engine, giving you a real, noticeable boost in power.

Do I need to re-tune my bike after installing a new exhaust?
For a slip-on, usually, no. Since you're only changing the muffler, the bike's stock fuel map can almost always handle it. For a full system, 100% yes. A full system flows way more air, which will make your bike run too lean. You must get a fuel tuner (like a Power Commander) to add more fuel and keep your engine safe.

Are aftermarket exhausts louder than stock?
Yes, 99% of the time, an aftermarket exhaust is significantly louder than your stock one. The whole point is to "uncork" your bike's sound. Many come with a removable "baffle" or "dB killer" insert that you can use to quiet it down a little, but you should always expect a "rowdier" sound.

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Motorcycle Exhaust

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Motorcycle Exhausts

Motorcycle Exhaust FAQ's