How Do I Put Slip On Pipes On My Harley: A Step-by-Step Guide

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So, you’re looking to upgrade your Harley-Davidson with some new slip-on pipes? Awesome! This is a fantastic way to boost your bike’s performance, enhance the sound, and give it a fresh look. I’ve been there, done that, and I’m here to walk you through the entire process. Installing slip-on pipes is a relatively straightforward project that most riders can tackle in their own garage.

You’ll save money on labor costs and gain a satisfying sense of accomplishment. Before you begin, gather your tools, choose your pipes, and get ready to transform your ride. This guide will cover everything from choosing the right pipes to the final tightening of the bolts. Let’s get started and make your Harley sound as good as it looks!

Remember, safety first! Always wear appropriate safety gear, including eye protection and gloves. Also, make sure your bike is cool before you start working on it. Now, let’s get into the details of how to put slip on pipes on your Harley.

Table of Contents show

Choosing the Right Slip-on Pipes

Before you even think about grabbing your tools, you need to pick the right slip-on pipes for your Harley. This is more than just aesthetics; it affects performance and sound. Here’s what to consider:

Compatibility

The most crucial factor. Make sure the pipes are designed to fit your specific Harley-Davidson model and year. Check the manufacturer’s website or product descriptions to confirm compatibility. If you’re unsure, consult a Harley-Davidson parts specialist. Using the wrong pipes can lead to performance issues and potential damage to your bike.

Sound

This is a big one. Slip-on pipes significantly alter the sound of your Harley. Consider what kind of sound you want – a deep rumble, a throaty growl, or something in between? Listen to sound clips online or, if possible, hear the pipes in person before you buy. Different pipe designs and materials produce different sounds. Some pipes are designed to be louder, while others focus on enhancing the low-end tones. Think about your local noise ordinances too!

Performance

Slip-on pipes can improve your bike’s performance, but the gains are usually modest compared to a full exhaust system. Look for pipes that are designed to optimize exhaust flow. Some pipes include features like stepped headers or baffles to enhance performance. Remember that simply changing the pipes might require a fuel management system adjustment, especially if you’re also adding a high-flow air filter.

Material and Finish

Slip-on pipes come in various materials, including chrome, stainless steel, and black ceramic. Chrome is classic but requires more maintenance to prevent rust. Stainless steel offers good durability and corrosion resistance. Black ceramic pipes are popular for their sleek look and heat resistance. Consider the finish’s durability and how it complements your bike’s overall style.

Budget

Slip-on pipe prices vary widely. Set a budget before you start shopping. Prices depend on the materials, brand, and features. Don’t sacrifice quality for price; choose pipes that offer a good balance of performance, sound, and durability within your budget. Consider the long-term value, as quality pipes will last longer and potentially improve your bike’s resale value. (See Also: Why Does My Dog Slip On Hardwood Floors )

Brands

Some popular brands include:

Vance & Hines: Known for their classic designs and aggressive sound.
Screamin’ Eagle (Harley-Davidson): Offers a wide range of pipes specifically designed for Harley models.
Cobra: Provides a balance of performance, style, and affordability.
Bassani: Offers high-performance pipes with a focus on sound and power.
Freedom Performance: Known for their unique designs and powerful sound.

Research reviews and compare different brands to find the best fit for your needs and preferences.

Tools and Materials You’ll Need

Now that you’ve selected your pipes, gather the necessary tools and materials. Having everything ready will make the installation process smoother and more efficient. Here’s a comprehensive list:

New Slip-on Pipes: Of course!
Wrench Set: Metric wrenches, including sizes commonly used on Harley-Davidsons (e.g., 9/16″, 1/2″, 14mm).
Socket Set: Metric sockets, including sizes for the exhaust bolts and any mounting hardware.
Torque Wrench: Essential for tightening bolts to the correct specifications. Over-tightening can damage threads, while under-tightening can cause leaks.
Penetrating Oil: To help loosen stubborn bolts.
Anti-Seize Compound: To prevent the exhaust bolts from seizing in the future.
Gloves: To protect your hands.
Eye Protection: Safety glasses or goggles.
Jack or Lift (Optional): Makes it easier to access the exhaust system.
Rags or Shop Towels: For cleaning and wiping up spills.
New Exhaust Gaskets: Highly recommended to ensure a proper seal and prevent exhaust leaks.
Owner’s Manual: To find torque specifications for your specific model.
Work Light: To illuminate the work area.
Impact Driver (Optional): Can be helpful for removing stubborn bolts.
Allen Wrenches: For any set screws or fasteners on the new pipes.

Step-by-Step Installation Guide

Now for the fun part! Follow these steps carefully to install your slip-on pipes:

Step 1: Preparation and Safety

Safety First: Put on your safety glasses and gloves. Make sure the motorcycle is stable and on a level surface.
Cool Down: Allow the engine and exhaust system to cool completely. Working on a hot exhaust system can lead to burns.
Loosen Bolts: Apply penetrating oil to the exhaust bolts and let it soak for a few minutes. This helps loosen any rust or corrosion.

Step 2: Removing the Old Pipes

Locate the Exhaust Bolts: Identify the bolts that secure the stock slip-on pipes to the exhaust headers. These are usually located near the exhaust ports on the engine.
Remove the Bolts: Use a wrench or socket to carefully remove the exhaust bolts. Be patient and apply even pressure to avoid stripping the threads. If a bolt is stuck, try tapping it gently with a hammer or using an impact driver.
Remove the Slip-On Pipes: Once the bolts are removed, carefully slide the old slip-on pipes off the exhaust headers. You may need to wiggle them or use a rubber mallet to help loosen them.
Remove the Mounting Hardware: If the slip-on pipes have any mounting brackets or clamps, remove them as well.
Inspect the Exhaust Headers: Check the exhaust headers for any damage or corrosion. Clean the headers with a wire brush if necessary.
Remove Exhaust Gaskets: Carefully remove the old exhaust gaskets from the exhaust ports. These are usually a crush-type gasket and will need to be replaced.

Step 3: Installing the New Pipes

Install New Exhaust Gaskets: Insert new exhaust gaskets into the exhaust ports. Make sure they are seated properly and flush with the ports. This is a critical step for preventing exhaust leaks.
Prep the New Pipes: Check the new slip-on pipes for any pre-installed hardware. Ensure that any mounting brackets or clamps are in place.
Slide on the New Pipes: Carefully slide the new slip-on pipes onto the exhaust headers. Make sure they are fully seated and aligned correctly.
Install Mounting Hardware: Install any mounting brackets or clamps that came with the new pipes.
Install the Bolts: Insert the new bolts (or reuse the old ones if they are in good condition) and tighten them by hand.
Torque the Bolts: Using a torque wrench, tighten the exhaust bolts to the torque specifications listed in your Harley-Davidson’s service manual. Tighten the bolts in a crisscross pattern to ensure even pressure.
Install Baffles/DB Killers (If Applicable): Some slip-on pipes come with removable baffles or dB killers to adjust the sound level. Install these according to the manufacturer’s instructions.

Step 4: Final Checks and Adjustments

Inspect for Leaks: Once the pipes are installed, start the engine and let it idle. Carefully check for any exhaust leaks around the exhaust ports and at the connections. You should be able to hear any leaks.
Check for Interference: Make sure the new pipes are not touching any other parts of the motorcycle, such as the frame, wiring, or suspension components.
Adjust Fuel Management (If Necessary): If you’ve also installed a high-flow air filter or if the pipes are significantly different from the stock pipes, you may need to adjust your fuel management system. This could involve remapping the ECM (Engine Control Module) or using a fuel management module. Consult a professional if you’re unsure.
Tighten All Fasteners Again: After a short ride (or after the engine has run for a while), re-check all the bolts and fasteners to ensure they are still tight.

Step 5: Finishing Up

Clean Up: Wipe down the new pipes with a clean cloth to remove any fingerprints or smudges.
Enjoy the Ride: Take your Harley for a ride and enjoy the improved sound and performance.
Maintenance: Regularly inspect your slip-on pipes for any signs of damage or leaks. Keep them clean and polished to maintain their appearance.

Troubleshooting Common Issues

Even with careful planning, you might encounter some issues during the installation. Here’s how to address common problems:

Exhaust Leaks

Exhaust leaks are the most common problem. They usually result from improper sealing at the exhaust ports or connections. If you hear a hissing sound, or feel exhaust fumes, check the following:

Gaskets: Make sure you installed new exhaust gaskets and that they are properly seated.
Bolt Torque: Ensure the exhaust bolts are tightened to the correct torque specifications.
Alignment: Check that the slip-on pipes are aligned correctly with the exhaust headers.
Damaged Components: Inspect the exhaust headers and slip-on pipes for any damage that could prevent a proper seal.

Difficulty Removing Bolts

Stuck or rusted bolts can be a challenge. Try these techniques:

Penetrating Oil: Apply penetrating oil and let it soak for a while.
Heat: Use a heat gun to gently heat the bolt. Be careful not to damage any nearby components.
Impact Driver: An impact driver can help loosen stubborn bolts.
Bolt Extraction Tools: If a bolt breaks, you may need to use a bolt extractor.

Pipes Don’t Fit Properly

If the pipes don’t seem to fit correctly: (See Also: Does Durabond 90 Skim Coat Slip On Plaster )

Double-Check Compatibility: Ensure you have the correct pipes for your Harley-Davidson model and year.
Alignment: Make sure the pipes are aligned correctly with the exhaust headers and mounting brackets.
Manufacturer Defects: Contact the manufacturer if you suspect a manufacturing defect.

Performance Issues

If you experience performance issues after installing the slip-on pipes:

Fuel Management: You may need to adjust your fuel management system.
Exhaust Leaks: Check for any exhaust leaks, as they can affect performance.
Incorrect Installation: Review the installation steps to ensure everything was done correctly.
Air Filter: Ensure that the air filter is clean and that it is not restricting airflow.

Maintenance and Care

Proper maintenance and care will extend the life of your slip-on pipes and keep them looking their best.

Regular Cleaning: Clean your pipes regularly with a suitable cleaner. Follow the manufacturer’s instructions. Avoid abrasive cleaners that can scratch the finish.
Inspection: Inspect your pipes periodically for any signs of damage, such as dents, cracks, or corrosion.
Tighten Bolts: Check the exhaust bolts periodically and tighten them if necessary.
Rust Prevention: If you have chrome pipes, use a chrome polish to protect them from rust. For stainless steel pipes, use a stainless steel cleaner.
Heat Shields: Make sure any heat shields are in good condition and properly secured to prevent burns.

Safety Precautions

Always prioritize safety when working on your motorcycle. Here are some essential safety precautions:

Wear Safety Gear: Always wear eye protection and gloves.
Cool Down Period: Allow the engine and exhaust system to cool completely before working on them.
Stable Surface: Work on a level and stable surface.
Proper Ventilation: Work in a well-ventilated area to avoid inhaling exhaust fumes.
Disconnect Battery (Optional): For electrical work, consider disconnecting the motorcycle’s battery.
Know Your Limits: If you’re not comfortable with a particular task, consult a professional mechanic.

Legal Considerations

Before you install new slip-on pipes, be aware of any legal considerations in your area. Noise regulations vary by location, and some pipes may not be street legal. Check your local laws and regulations regarding exhaust noise levels. Ensure that your pipes meet any required emissions standards. Failure to comply with these regulations can result in fines or other penalties.

Some states and municipalities have specific noise level limits for motorcycles. These limits are often measured at a specific distance from the exhaust. You may need to have your motorcycle tested to ensure that it complies with these regulations. Some pipes are designed to meet these noise level requirements, while others are intended for off-road use only.

Additionally, some areas have restrictions on the type of exhaust system that can be used. For example, some jurisdictions may prohibit the use of straight pipes or pipes that do not have baffles. Make sure to research the specific regulations in your area before purchasing and installing new slip-on pipes.

Fuel Management Considerations

Changing your exhaust system can impact your motorcycle’s air-fuel ratio. While slip-on pipes alone may not always require a fuel management adjustment, it’s something to consider. Here’s why and what to do:

Why Fuel Management Matters: (See Also: How To Adjust Skechers Slip On Bungeesneaker )

Airflow Changes: New pipes alter exhaust flow, which can affect how efficiently your engine breathes. This change in airflow can lead to a lean or rich fuel mixture.
Lean Conditions: A lean fuel mixture (too little fuel) can cause your engine to run hotter, potentially damaging engine components.
Rich Conditions: A rich fuel mixture (too much fuel) can decrease fuel economy and foul spark plugs.
Performance Optimization: Proper fuel management can optimize performance gains from your new pipes.

When to Consider Fuel Management:

Significant Changes: If you’re also upgrading your air filter or making other modifications that affect airflow.
Performance Goals: If you want to maximize performance gains from your new pipes.
Engine Behavior: If you notice any changes in engine performance, such as hesitation, popping, or reduced power.

Fuel Management Options:

ECU Remap: The most comprehensive solution, where a technician reprograms your Engine Control Unit (ECU) to adjust the fuel map.
Fuel Management Module: Devices like the Power Commander or Fuelpak that connect to your bike’s wiring harness and allow you to adjust the fuel mixture.
Dyno Tuning: For optimal results, consider dyno tuning, where a professional tunes your bike on a dynamometer to dial in the perfect fuel map.

Recommendation:

Consult a qualified motorcycle mechanic or tuner to determine if fuel management is necessary for your specific setup. They can assess your bike’s needs and recommend the best solution.

Final Thoughts

Installing slip-on pipes on your Harley-Davidson is a satisfying project that can significantly enhance your riding experience. By following these steps and taking your time, you can successfully complete the installation and enjoy the improved sound and performance of your bike. Remember to prioritize safety, use the right tools, and double-check all connections. Don’t hesitate to seek professional help if you’re unsure about any step. Enjoy the ride!

Installing slip-on pipes on your Harley-Davidson is a rewarding DIY project that can transform the sound and style of your bike. By carefully following the steps outlined in this guide, you can confidently replace your stock pipes with a new set. Remember to prioritize safety, choose the right pipes for your model, and double-check all connections for a secure and leak-free installation.

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With a little patience and the right tools, you’ll be cruising down the road with a Harley that sounds and looks exactly how you want it to. Enjoy the rumble and the enhanced performance! Remember to regularly inspect and maintain your new pipes to keep them in top condition for years to come.

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