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Harley Exhaust

If you own a Harley, you have chosen a truly iconic American bike. If you want to show your love of your hog and your respect for its long, amazing history, one good way to do it is with a top exhaust system. Whether you are looking for performance pipes to make your H-D go faster, custom chrome to make it even more of a show-stopper than it already is or simply have to do that overdue repair to its exhaust system, you can get whatever you need for the job at Dennis Kirk. We stock more than 2,100 Harley-Davidson exhaust systems, parts and slip-ons. This equipment will do more than just keep you going. It will keep you rolling in style and speed.

It doesn’t hurt that an aftermarket motorcycle exhaust from Dennis Kirk costs significantly less than what you will find at the dealer while meeting or exceeding OEM standards. Because exhaust work is seldom exhausting, you can also save big money by not having to pay high shop rates if you choose to work on your motorcycle’s exhaust pipes yourself or have a friend help.

Whether you are looking for new motorcycle pipes, a custom Harley exhaust or something else, Dennis Kirk can get it to you fast. We stock the most and pride ourselves on our superior service, quick turnaround and fast shipping.

It doesn't matter if you are looking for an Akrapovic exhaust, a set of pipes from Vance & Hines or equipment from any of the other leading Harley aftermarket parts makers, you will find it here at Dennis Kirk. Having trouble finding exactly what you are looking for? Call our knowledgeable customer service staff for quick answers. Our technical support staff can also give you free advice if you have a question about a mechanical issue.

You won’t have to run to your local hardware or parts store either, because Dennis Kirk also stocks all the exhaust hardware, bolts, clamps and gaskets you will need to do the job right. Sit back and order easily from our online Harley parts store and have what you need delivered right to your door. Spend the time you save enjoying and riding your Harley.

FAQs on Harley Exhaust

What's the loudest Harley exhaust?

The loudest Harley exhausts are usually full aftermarket systems with straight pipes and no baffles, like true duals. Larger pipe diameters and larger baffles/less baffles will make an exhaust louder. Popular examples include brands like Vance & Hines, Bassani, and Rinehart Racing. These systems produce aggressive sound levels but may exceed noise regulations in some areas. Loudness often comes at the cost of comfort and legality. Always check local noise laws before upgrading.

How to make Harley Davidson exhaust louder?

You can make a Harley exhaust louder by removing or replacing baffles, adding slip-on mufflers, or installing a full aftermarket exhaust system. Straight pipes offer the most volume but may not be street legal. Tuning your engine after modifications helps maintain performance. Remember that louder exhaust also increases noise and vibration. Choose modifications that balance sound, performance, and legality.

How loud is too loud for a Harley exhaust?

Noise limits vary by state and city, but most regulations set a cap around 80–95 decibels. Anything over this may be considered too loud for street use and could result in fines. Excessive noise can also cause rider fatigue and hearing damage. A safe balance preserves performance without breaking the law. Always check local regulations before modifying exhaust systems.

Do I need to tune my Harley after changing exhaust?

Yes, tuning is generally recommended after changing a Harley exhaust. Exhaust modifications can affect air-fuel ratios, impacting performance and reliability. A proper tune ensures optimal combustion and avoids engine damage. Many aftermarket exhausts require a custom tune for best results. Tuning can be done using a fuel tuner management system or a performance jet kit for carbureted engines.

Can you make stock Harley exhaust louder?

Yes, you can make stock Harley exhaust louder by removing or modifying baffles and slip-on components. This increases sound but may affect performance and compliance with noise laws. Some riders also use aftermarket inserts or tuners to enhance tone without replacing the entire system. It’s a simpler option compared to a full exhaust replacement. Always check regulations and consider performance impacts before modifying.