Quick Answer: How To Remove Baffles From Harley Exhaust

Will removing baffles hurt my Harley?

Removing baffles on your motorcycle will not directly harm or damage the engine. However, it may result in the engine running leaner, causing a problem with its performance and complications to the emissions. Removing the baffle does not add any performance benefit or enhancements to the engine.

Does removing exhaust baffles affect performance?

Do Baffles Affect Performance? Baffles can impact performance output because they play a part in defining how restrictive a motorcycle exhaust is. Removing baffles will make exhaust less restrictive, whereas leaving them on makes exhaust more restrictive.

What happens when you remove baffles?

Removing the baffles will change how the engine runs. It will usually cause the engine to run leaner (less fuel), and a lean mixture burns much hotter that can cause damage. Removing the baffles will also mess up the power curve of the motor. Usually loosing power down low and gaining a slight amount up top.

Do Harleys need back pressure?

The most common part replaced on a new Harley-Davidson motorcycle is the exhaust system. A common belief is that by reducing back pressure in the exhaust system you will automatically gain horsepower. Unfortunately this is not the case.

What makes Harleys loud?

The secret of the unique sound of a Harleys lies in the design of the Harley-Davidson V-Twin two-cylinder engine. The pistons in most two-cylinder horizontal engines are timed to fire alternatively. This means one piston fires on each revolution of the crankshaft, i.e., every 360 degrees.

Is it illegal to remove baffles on motorcycle UK?

To start with, any new motorcycle on UK roads must comply with UK laws on noise and meet Euro 5 emissions regulations. The original exhaust system must carry the manufacturer’s name and part number; to comply with the law, you must not remove the baffle.

Do baffles reduce power?

For a quick answer – quiet baffles will not impact performance (horsepower or torque) as much. You could lose a small amount of high end power but nothing significant.

Will straight pipes hurt my motorcycle engine?

Will Straight Pipe Ruin Your Motorcycle Engine? Straight pipe will not ruin your motorcycle engine. The motorcycle engine is not exposed by a straight pipe and does not get impacted enough to the point that it will break or burn.

Do you need to tune your bike after exhaust?

Tuning is required for a full system exhaust because they improve the flow of gases in your motorcycle significantly. Thus, increasing the amount of oxygen in the combustion chamber. You need a tune – mainly to increase the amount of fuel injected into the combustion chamber.

What makes a motorcycle louder?

Motorcycles are so loud because of the size of the muffler most of them have, the length of the exhaust pipes, and the lack of residence time the air and exhaust have to slow down, and because the engine is open to air and atmosphere with no engine compartment encasing and stifling the sound.

Can you make stock Harley exhaust louder?

Making stock pipes louder is a less expensive alternative to purchasing an entire aftermarket exhaust kit. However, the only effective way to make that stock muffler louder is to remove the baffles, this can be done in four easy steps.

How do you remove baffles from a Harley Screamin Eagle exhaust?

Take the 14-gauge wire and shape it into a hook shape using the needle nose pliers. Then, slide the hook into one of the holes on the inside of the baffle. Clamp the vice grips to the baffle, and then hit the vice grips with the mallet. This is going to free up the baffle and allow it to be removed.

How do you remove the baffles from Vance and Hines exhaust?

How do you remove baffles? The easiest way to remove the baffle is to remove the screws and use a slide hammer with a hook at the end of it. Insert the slide hammer hook onto the end of the baffle, and remove it.

Will no back pressure hurt my engine?

As the pulses move along, they generate an exhaust flow. As Jason explains, a restrictive exhaust flow that builds up back pressure is only hurting the power your vehicle can deliver because it’s not working efficiently. However, a little back pressure is a good thing. In fact, it helps.

Does straight pipe hurt your engine?

Straight Pipes Can Damage Your Engine. Straight pipes, for example, can increase exhaust gas velocity. This will reduce engine performance to below 2,000 or 2,500 RPM and make your vehicle slower to launch from a stoplight. An upgraded exhaust system is a popular performance upgrade for vehicles.

What does back pressure do for a Harley?

By reducing backpressure, you slow exhaust velocity. Slowing exhaust velocity, you reduce scavenging, and that’s what causes all the popping and reversion loss.

How can I make my Harley sound deeper?

How To Make Your Motorcycle Exhaust Sound Deeper Replace or Modify the Stock Muffler. Stock mufflers suit a wide range of personalities and preferences. Remove the Baffles. Get a Full Performance Exhaust System. Shop Slip-On Mufflers at West End Motorsports.

Can you modify motorcycle baffles?

Modifying just the baffles, even completely removing the baffles will not hurt your engine in any way. It will probably reduce torque just a bit in the lower RPM range, as the exhaust/engines are designed as a unit.

How can I make my Harley sound better?

How to Make Harley Pipes Louder Retune the engine to make Harley pipes louder while improving performance. Remove the baffles or drill holes in them to increase air flow through the pipes. Attach slip on mufflers.