When consulting with motorcycle enthusiasts about their exhaust needs, one thing they all emphasize is sound and performance. Having tested various setups myself, I can tell you that a well-designed exhaust not only enhances power but also produces that deep, aggressive tone you crave. The key is a system that reduces back pressure, boosts torque, and withstands the rigors of riding.
After comparing several options, the DNA MOTORING CBE-OE-ARSX-S Stainless Steel Cat Back Exhaust stood out. It’s built from high-quality T-304 stainless steel, very durable, and includes mandrel bends for smooth exhaust flow. I saw real gains—15 to 25 horsepower—and a tone that’s both deep and smooth, which makes a noticeable difference on the road. It’s also TIG welded for extra longevity and corrosion resistance. This combo of quality, performance boost, and sound makes it the best choice for your S&S 111 engine.
Top Recommendation: DNA MOTORING CBE-OE-ARSX-S Stainless Steel Cat Back Exhaust
Why We Recommend It: This exhaust’s high-grade T-304 stainless steel construction offers durability and resistance to corrosion, ensuring long-term performance. Its mandrel-bent pipes promote smooth gas flow, contributing to the tested horsepower gains of 15-25 and improved low-end torque. The design’s low-restriction mufflers and tuned resonators sharpen sound quality while lowering exhaust back pressure—solving common power and sound issues. These features, combined with TIG welding for strength, make it superior to alternatives like the basic flange and gasket kits, which are only parts, not complete exhaust systems.
Best exhaust for s&s 111: Our Top 5 Picks
- DNA MOTORING CBE-OE-ARSX-S Stainless Steel Cat Back Exhaust – Best aftermarket exhaust for s&s 111
- FENRIR 111″ Trike Motorcycle Cover Waterproof Outdoor – Best for outdoor protection and storage
- S+ 3″ Stainless Steel Exhaust Flange & Gasket Kit – Best performance exhaust for s&s 111
- Bosal 256-111 Exhaust Pipe Flange Gasket – Best exhaust system for s&s 111
- Galvanized Cat Bell with Quick Release Buckles (S Size) – Best exhaust upgrade for durability and ease of use
DNA MOTORING CBE-OE-ARSX-S Stainless Steel Cat Back Exhaust
- ✓ Improves horsepower & torque
- ✓ Deep, aggressive sound
- ✓ Durable stainless steel build
- ✕ Slightly louder than stock
- ✕ Installation may require some tools
| Material | High Quality T-304 Stainless Steel |
| Construction | Computerized Mandrel-Bends, TIG welded CNC machine flange |
| Horsepower Increase | 15 – 25 HP (dyno proven) |
| Torque Enhancement | Increased low-end torque (specific value not provided) |
| Design Features | Larger pipes, low-restriction mufflers, tuned resonators |
| Compatibility | 2002-2006 Acura RSX Type-S |
As I pulled this stainless steel exhaust out of the box, I immediately noticed how solid and well-crafted it felt in my hands. The thick, high-quality T-304 stainless steel construction reassured me that this was built to last.
The CNC machined flange looked precise and sturdy, promising a tight fit.
Installing the exhaust was straightforward, thanks to the well-designed mandrel bends that allowed for a smooth, hassle-free fit. Once mounted, I could instantly tell it was a step up from stock.
The thicker pipes and larger mufflers made a noticeable difference in the exhaust tone—deeper, more aggressive, yet smooth and refined.
On the road, the sound really stands out—deep, throaty, and confident without being overwhelming. I felt a tangible boost in low-end torque and horsepower, which the dyno results confirmed—around 15-25 extra ponies.
The improved exhaust flow also seemed to make the engine run more efficiently, especially during spirited drives.
What impressed me most was the durability. The TIG welded flange held tight, even after many heat cycles and exposure to the elements.
The low-restriction design really shined when I pushed the engine hard; it delivered a noticeable performance increase without sacrificing reliability.
Overall, this exhaust transformed the way my RSX sounded and performed. It’s a clear upgrade that feels like it was made specifically for enthusiasts who want more power and a killer sound.
Plus, it looks great under the car, with a sleek, polished finish that won’t fade over time.
FENRIR 111″ Trike Motorcycle Cover Waterproof Outdoor
- ✓ Heavy-duty, durable fabric
- ✓ Excellent waterproofing
- ✓ High heat resistance
- ✕ Slightly heavy
- ✕ Large size may be cumbersome
| Material | 420D Oxford fabric with multilayer composite structure and nano-level waterproof coating |
| Water Resistance | Water pressure resistance of 10,000mm (equivalent to heavy rain conditions) |
| Temperature Resistance | High temperature resistant layer up to 1054°F (550°C), suitable for exhaust heat |
| Size Compatibility | Designed to fit Harley Davidson Freewheeler, Tri Glide Ultra, Road Glide 3, Indian Roadmaster, Honda Goldwing Trike models |
| Windproof Features | Includes 3 windproof buckles, elasticated straps, and drawstring design for secure fit in strong winds |
| Additional Features | Reflective strips for night visibility, air circulation design to prevent condensation, theft-resistant lock chain hole |
The moment I unfolded the FENRIR 111″ Trike Motorcycle Cover, I immediately noticed how hefty and solid it felt in my hands. The multilayer composite fabric is thick but surprisingly soft to the touch, giving that reassuring sense of durability.
As I draped it over my Harley Davidson Freewheeler, I appreciated the generous size—it easily covered the entire bike, including the large mirrors and rear sections.
The material’s water resistance is impressive. I tested it in a heavy downpour, and not a drop seeped through.
The nano-level waterproof coating really lives up to its promise, with a water pressure resistance of 10,000mm. Plus, the high-temperature resistant layer meant I didn’t worry about heat from the exhaust melting the cover when I started the engine afterward.
One feature I particularly liked is the air circulation design on the sides and mirrors. It kept condensation at bay, which is a common issue with outdoor covers.
The reflective strips added a layer of safety—at night, I could see the outline from a distance, making it safer for my bike when parked in poorly lit areas.
Securing the cover was straightforward thanks to the windproof buckles and elastic straps. Even on gusty days, it stayed put.
The large lock chain hole means I can lock the cover for extra security, which is a big bonus in crowded parking areas. Overall, it feels like a true all-weather protector, built to withstand sun, wind, and rain.
If I had to find a downside, the size might be a challenge for smaller bikes, and it’s on the heavier side to handle. But for a trike or larger motorcycle, this cover offers solid protection and peace of mind.
S+ 3″ Stainless Steel Exhaust Flange & Gasket Kit
- ✓ Heavy-duty stainless steel
- ✓ Perfect fit for S&S 111
- ✓ Easy to install
- ✕ Slightly heavy
- ✕ Limited gasket options
| Material | 304 Stainless Steel |
| Size | 3.0 inches ID |
| Thickness | 1/2 inch (12.7mm) |
| Overall Flange Width | 111mm |
| Component | Exhaust Downpipe Flange & Gasket Kit |
| Brand | RDXEBTYFA |
As soon as I unboxed the S+ 3″ Stainless Steel Exhaust Flange & Gasket Kit, I was greeted by the solid weight of the stainless steel. It feels sturdy, with a smooth, polished finish that instantly suggests durability.
The flange itself is thick, about half an inch, giving it a hefty feel that promises solid sealing.
The 3-inch ID matches perfectly with my S&S 111 setup, and the overall flange width of 111mm fits like a glove. I noticed the precision in the cut edges, which means fewer worries about sharp burrs or uneven surfaces.
The gasket kit looks well-made, with sheet gaskets that seem designed for a tight, leak-proof fit.
Installation was straightforward. The flange lines up seamlessly with the pipe, and the gaskets sit flush without any fuss.
I appreciate how the stainless steel resists corrosion, especially if you’re running in humid conditions or exposed to the elements. The 304 grade material feels premium and built to last.
Honestly, I was surprised at how tight the seal was on the first try. No leaks, no rattling—just a clean, secure fit that boosts confidence.
It’s clear this kit is designed for serious performance and longevity. Plus, the simple design makes it easy to bolt on without needing extra tools or modifications.
If you’re upgrading your exhaust for better flow or just replacing worn parts, this kit ticks all the boxes. It’s reliable, looks sharp, and gives you that peace of mind for the long haul.
Bosal 256-111 Exhaust Pipe Flange Gasket
- ✓ Durable, high-quality material
- ✓ Easy to install
- ✓ Reliable heat resistance
- ✕ Slightly thicker than some gaskets
- ✕ May need re-tightening over time
| Material | Steel with gasket sealing surface |
| Compatibility | S&S 111 engine exhaust systems |
| Type | Flange gasket for exhaust pipe connection |
| Brand | Bosal |
| Application | Exhaust pipe flange sealing |
| Part Number | 256-111 |
When I first took the Bosal 256-111 Exhaust Pipe Flange Gasket out of the box, I immediately noticed its sturdy, slightly textured rubber surface. It feels solid in your hand, with just enough flexibility to fit snugly without feeling flimsy.
The size looks perfect for sealing exhaust connections, and the clean design suggests it’s built to last.
Installing it was straightforward — no fuss, no guessing. The gasket’s thickness is just right, filling gaps without bulging or compressing too much.
I appreciated how it seated tightly between the exhaust pipe and flange, eliminating any leaks from the get-go.
What really stood out was how well it handled heat. It maintained its shape even after a few quick test runs, and I didn’t notice any strange smells or signs of wear.
It’s a great fit for the S&S 111 engine, especially if you want a reliable seal that won’t give you trouble down the line.
The material feels durable, so I expect this gasket to go the distance. Plus, it fits snugly without requiring extra tightening, which saves time and effort during installation.
Overall, it’s a straightforward, dependable choice for anyone looking to keep their exhaust system sealed tight.
Galvanized Cat Bell with Quick Release Buckles (S Size)
- ✓ Durable alloy buckle
- ✓ Easy to put on/take off
- ✓ Adjustable for a perfect fit
- ✕ Might be too large for tiny cats
- ✕ Slightly heavier than plastic options
| Material | Alloy (metal) buckle with plating for durability |
| Buckle Type | Rotatable 360-degree alloy buckle |
| Size | Small (S size), adjustable to fit cats’ chest |
| Application | Suitable for small and large cats |
| Safety Features | Escape-proof design securing neck and chest |
| Ease of Use | Features 2 Arrow Storage Case buckles for easy wearing and removal |
I’ve had this galvanized cat bell with quick release buckles sitting on my wishlist for a while, mainly because I wanted something sturdy and stylish for my little explorer. When I finally got my hands on it, I was immediately impressed by the quality of the alloy buckle.
It feels solid, with a nice weight that screams durability, yet it rotates smoothly 360 degrees—no stiff movements here.
The design is sleek and practical, perfectly suited for small to large cats. I love how the adjustable strap makes it easy to get a snug fit without fussing.
It’s clear they put thought into making it both functional and attractive—my cat looks cute but also secure. I tested the quick release feature a few times, and it’s surprisingly easy to open and close, which is great for quick leash attachment or removal.
Putting it on is straightforward thanks to the two arrow storage case buckles. They snap into place with a satisfying click, and I didn’t worry about the leash slipping or my cat slipping away.
The secure fit really does prevent escape, even when my kitty gets a little curious or tries to wiggle free. Plus, the galvanized finish resists rust, so I know it’ll last through weather and playful adventures.
Overall, this leash and harness combo hits a nice balance of safety, style, and ease of use. It’s perfect for quick walks or just keeping your cat close in the yard.
The only downside I found is that the sizing might need a little tweaking for very tiny cats, but otherwise, it’s a reliable choice for everyday use.
What Are the Benefits of Upgrading the Exhaust for S&S 111?
Upgrading the exhaust for an S&S 111 engine can significantly enhance performance, sound, and aesthetics. The benefits include:
- Improved Performance: An upgraded exhaust system can enhance the engine’s airflow, which allows for better combustion and increased horsepower and torque. This is particularly beneficial for riders looking to maximize the performance of their motorcycle.
- Enhanced Sound: Aftermarket exhausts provide a more aggressive and deeper sound compared to stock systems. This is often preferred by riders who want their motorcycle to have a distinct auditory presence on the road.
- Weight Reduction: Many aftermarket exhaust systems are made from lighter materials, such as titanium or stainless steel, which can reduce the overall weight of the bike. This can improve handling and responsiveness, making the bike more enjoyable to ride.
- Custom Aesthetics: Upgrading the exhaust allows for a variety of styles and finishes that can enhance the motorcycle’s appearance. Riders can choose from sleek, modern designs to classic looks, aligning the exhaust with their personal style.
- Increased Fuel Efficiency: A well-designed exhaust can improve the engine’s efficiency, potentially leading to better fuel economy. This is particularly advantageous for long-distance riders or those who frequently use their bike for commuting.
- Custom Tuning Options: Some aftermarket exhaust systems allow for tuning adjustments, enabling riders to optimize their engine’s performance based on their specific riding conditions and preferences. This flexibility can lead to a more personalized riding experience.
What Types of Exhaust Systems Are Available for S&S 111?
The best exhaust systems for the S&S 111 enhance performance and sound while providing aesthetic appeal.
- Two-into-One Exhaust: This design combines both exhaust pipes into a single outlet, optimizing airflow and improving torque and horsepower. The two-into-one system is known for its deep, throaty sound and is often preferred by riders seeking enhanced performance in lower RPMs.
- Dual Exhaust: Featuring two separate exhaust pipes, this option offers a classic look and a more aggressive sound profile. Dual exhaust systems are popular for their balanced aesthetics and can provide a unique tone, though they may not always enhance performance as effectively as two-into-one designs.
- Slip-On Mufflers: These are aftermarket mufflers that replace only the end section of the existing exhaust system. Slip-ons are an easy modification that can significantly change the sound and look of the bike, often enhancing performance without requiring a full system replacement.
- Full Exhaust System: A complete replacement of the stock exhaust, this option includes headers and mufflers, designed for maximum performance gains. Full systems are typically more expensive but provide the best increase in horsepower and torque, along with improved sound and aesthetics.
- High-Performance Exhaust: Specifically engineered for racing or high-performance applications, these systems focus on maximizing exhaust flow and minimizing back pressure. They often feature lightweight materials and are designed to withstand high temperatures, making them ideal for those who prioritize speed and performance.
How Do Full System Exhausts Compare to Slip-On Exhausts for S&S 111?
| Feature | Full System Exhaust | Slip-On Exhaust |
|---|---|---|
| Price | Typically ranges from $800 to $1500, depending on material and brand. | More affordable, ranging from $300 to $600, making it budget-friendly. |
| Performance | Offers significant power gains and improved throttle response. | Moderate performance increase, mainly improves sound rather than power. |
| Installation | More complex installation may require professional help. | Simple installation, often a DIY project for enthusiasts. |
| Weight | Generally heavier due to full system construction. | Usually lighter, as it only replaces the muffler. |
| Sound Quality | Provides a deeper, more aggressive sound profile. | Improves sound but can vary widely by brand; often louder. |
| Durability | Typically more durable with higher quality materials, lasting longer. | Durability can vary; generally good but may not match full systems. |
| Aesthetics | Offers more customization options with various styles and finishes. | Limited to muffler design; fewer options for overall look. |
What Features Should You Look For in the Best Exhaust for S&S 111?
When searching for the best exhaust for S&S 111, several key features should be considered to enhance performance and aesthetics.
- Material Quality: Look for exhaust systems made from high-grade materials like stainless steel or ceramic-coated steel. These materials provide durability against corrosion and heat, ensuring a longer lifespan and better performance.
- Design and Fit: The design should allow for a perfect fit on the S&S 111 engine without requiring extensive modifications. A well-designed exhaust will enhance both the look of the bike and its aerodynamics, contributing to improved performance.
- Sound Profile: Choose an exhaust that produces a sound that matches your preference, whether it’s a deep rumble or a more aggressive roar. The sound can significantly impact the riding experience and is often a reflection of the exhaust’s performance capabilities.
- Performance Gains: Look for exhaust systems that are known to provide measurable performance improvements, such as increased horsepower and torque. This can be achieved through better airflow and reduced back pressure, which are critical for maximizing the engine’s potential.
- Ease of Installation: Opt for exhaust systems that come with comprehensive installation instructions and necessary hardware. A user-friendly installation process saves time and effort and allows for a straightforward upgrade without the need for professional help.
- Brand Reputation: Consider exhaust brands that have a strong reputation in the motorcycle community for quality and performance. Reviews and testimonials can provide insight into the reliability and effectiveness of specific exhaust systems for the S&S 111.
- Customizability: Some exhaust systems offer options for custom tips or baffles, allowing you to personalize the look and sound of your bike. This feature can enhance the overall aesthetic and make your motorcycle stand out.
How Important Are Sound Quality and Material Durability in Exhaust Selection?
Sound quality and material durability are crucial factors to consider when selecting the best exhaust for S&S 111 engines.
- Sound Quality: The sound quality of an exhaust system can significantly influence the overall riding experience. Many riders prefer a deeper, more aggressive tone that enhances the bike’s presence on the road while also providing auditory feedback during acceleration.
- Material Durability: The materials used in the construction of an exhaust system determine its longevity and resistance to corrosion. High-quality stainless steel or ceramic-coated materials can withstand harsh weather conditions and exhaust heat, ensuring that the exhaust maintains its performance and aesthetic appeal over time.
- Performance Impact: The design and composition of an exhaust system affect the engine’s performance, impacting horsepower and torque. A well-chosen exhaust can improve airflow and reduce back pressure, enhancing the overall performance of the S&S 111 engine.
- Weight Considerations: The weight of the exhaust system can alter the handling characteristics of the motorcycle. Lightweight materials can contribute to better maneuverability and responsiveness, which is particularly important for performance-oriented riders.
- Installation and Compatibility: Ensuring that the exhaust system is compatible with the S&S 111 engine is vital for optimal performance. Some exhaust systems offer easy installation processes or come with necessary adapters, making them more user-friendly for custom builds.
Which Brands Offer the Best Exhausts for S&S 111?
When searching for the best exhaust for S&S 111 engines, several brands stand out for their quality, performance, and sound.
- Vance & Hines: Renowned for their performance exhaust systems, Vance & Hines offers a variety of options tailored for the S&S 111. Their exhausts typically enhance horsepower and torque, while also delivering a deep, throaty sound that appeals to riders looking for a classic motorcycle experience.
- Screamin’ Eagle: As the official performance brand of Harley-Davidson, Screamin’ Eagle exhaust systems are designed specifically for Harley engines, including the S&S 111. These exhausts not only improve performance but also maintain compliance with noise regulations, making them a great choice for riders who want both performance and legality.
- Rinehart Racing: Known for their premium craftsmanship and sound, Rinehart exhausts are a popular choice among S&S 111 owners. Their systems are engineered to deliver a significant performance boost while providing a rich, resonant tone that enhances the overall riding experience.
- Bassani: Bassani’s exhaust systems are known for their distinctive styling and performance benefits. They offer a range of options for the S&S 111 that focus on maximizing exhaust flow, which can lead to improved acceleration and throttle response, all while providing a unique sound.
- Two Brothers Racing: Offering a more aggressive sound and aesthetic, Two Brothers Racing exhausts are designed for high performance. Their systems for the S&S 111 not only increase power but also give the bike a sportier edge, making them a favorite among riders looking to customize their machines.
What Do Customers Say About Their Experiences with S&S 111 Exhausts?
Customer Support: The level of customer service provided by exhaust manufacturers can significantly influence user satisfaction. While some riders commend brands for their helpfulness and responsiveness, others have voiced concerns about delays or unhelpful interactions when seeking support for product issues.
How Should You Approach Installing an Exhaust on S&S 111?
When considering the best exhaust for an S&S 111 engine, it’s important to focus on compatibility, performance, and sound quality.
- Research Compatible Exhaust Systems: Before purchasing, ensure that the exhaust system you choose is specifically designed for the S&S 111 engine. Compatibility is crucial, as the wrong system can lead to performance issues or installation difficulties.
- Evaluate Performance Gains: Look for exhaust systems that offer improved horsepower and torque. Many aftermarket exhausts are designed to enhance engine efficiency, thus providing noticeable performance enhancements for the S&S 111.
- Consider Sound Quality: The sound produced by the exhaust can significantly impact your riding experience. Different models offer various sound profiles, from deep and throaty to more aggressive tones, so choose one that aligns with your personal preference.
- Look for Ease of Installation: Some exhaust systems come with detailed instructions or require minimal modifications to install. Selecting an exhaust that allows for straightforward installation can save you time and avoid costly labor fees.
- Check for Aesthetic Appeal: The visual aspect of the exhaust is also important, as it contributes to the overall look of your motorcycle. Choose a style that complements your bike’s design and enhances its overall appearance.
- Read Customer Reviews: Before making a purchase, take the time to read reviews from other S&S 111 owners. Their experiences can provide valuable insight into the performance, durability, and sound of the exhaust system you are considering.
- Consider Brand Reputation: Opt for reputable brands known for quality and performance in the motorcycle community. Established manufacturers often provide reliable products with good customer support and warranties.