Slip-on exhausts are a popular upgrade for riders seeking a deeper sound, weight savings, and a cleaner look without a full exhaust system. This guide spotlights five compatible options that fit a broad range of 38-51mm inlet pipes, including dirt bikes, street bikes, cruisers, and touring bikes. Each product entry outlines compatibility, installation notes, and key features to help riders compare performance and style.
| Product | Brand | Key Feature | Inlet Diameter |
|---|---|---|---|
| Universal 1.5-2″ Inlet Hexagon Exhaust Muffler Pipe Slip On Scooter Motorcycle ATV Dirt Street Bike | Fast Pro | Universal 38-51mm, includes hardware | 38-51mm |
| Motorcycle Exhaust, Slip-on Carbon Fiber Muffler | Generic | Carbon fiber wrap, slip-on, includes accessories | 51mm |
| 36” Fishtail Slip-On Exhaust Pipe For Harley Touring | Generic | Harley-specific fit, classic fishtail | 1.75″ O.D. |
| SHARKROAD 4” Black Slip On Mufflers Exhaust Pipe For Harley Touring | SHARKROAD | Pair with hardware included, no baffle | Unknown (designed for Harley headers) |
| DREAPATS Universal Slip on Mufflers With Silencers | DREAPATS | Stainless steel, complete accessories | 38-51mm |
The following selections balance broad compatibility with recognizable brands and practical features. Each option is designed to bolt onto 38-51mm pipe diameters, making them suitable for a wide array of motorcycles, scooters, ATVs, and dirt bikes. The list includes both universal designs and model-specific fitments to cater to different rider needs and sound preferences.
Universal 1.5-2″ Inlet Hexagon Exhaust Muffler Pipe Slip On Scooter Motorcycle ATV Dirt Street Bike
The Universal Hexagon exhaust is a versatile slip-on designed for a wide range of bikes with pipe diameters between 38mm and 51mm. It ships with necessary hardware for installation, making it a straightforward upgrade for scooters, dirt bikes, street bikes, ATVs, and quads. Its 390mm length provides a balanced silhouette that preserves ground clearance on various chassis. A note on installation: instruction guidelines are not included, so riders should rely on standard muffler mounting practices or seek professional help if unsure.
Motorcycle Exhaust Slip-on Carbon Fiber Muffler
This carbon fiber slip-on provides a performance-focused upgrade with a clean aesthetic. Its overall length is 210mm and a 51mm inlet diameter, making it compatible with many modern sport and naked bikes. The product is designed as a slip-on, with a fast install using included springs and fixing rings. By reducing backpressure and weight, it can contribute to a crisper throttle response. It is described as easy to mount and remove, though users should verify compatibility with their specific model and exhaust header configuration.
36” Fishtail Slip-On Exhaust Pipe For Harley Touring
Designed specifically for 1995-2016 Harley Davidson Touring models, this fishtail exhaust aims to optimize fit on Street Glide, Electra Glide, Road Glide, and Road King variants. It uses a standard 1.75-inch O.D. header pipe and is not compatible with certain aftermarket headers. The product clarifies fit constraints with newer Harley Touring models and some Tri-Glide configurations. riders seeking a classic Harley appearance and a distinctive exhaust note may consider this option, ensuring that the header pipe diameter matches the stated 1.75 inches.
SHARKROAD 4” Black Slip On Mufflers Exhaust Pipe For Harley Touring
This pair of black slip-on mufflers is marketed for Harley Touring models from 2017 to 2023, including Road King, Street Glide, and Electra Glide lines. The set emphasizes easy installation and the absence of a baffle for a louder tone, simplifying the modification process for riders who prefer a baffle-free experience. It suits stock Harley headers but may not fit aftermarket headers, so compatibility with specific exhaust systems should be confirmed before purchase.
DREAPATS Universal Slip on Mufflers With Silencers
Made from stainless steel for improved heat resistance and corrosion resistance, these mufflers are compatible with 51mm/2-inch link pipes or downpipes. If the exhaust is 38-51mm, some modification and welding may be required for a proper fit. The package includes DB Killer/Baffle, springs, hooks, clamps, and a universal connector pipe, offering a complete upgrade solution for a wide range of bikes. Users should assess the need for modification based on their current exhaust setup and local regulations regarding sound levels.
PACEWALKER Slip On Muffler 1.5-2″ Universal
The PACEWALKER slip-on features a titanium alloy body with a stainless steel connector for durability and a removable DB killer to adjust sound output. It has an overall length of 365mm and is designed for 38-51mm inlet pipes. This makes it a flexible option for different sport, street, and dirt bikes, as well as scooters. The removable DB killer allows riders to tailor the exhaust note for road use or track days while complying with local noise regulations where possible.
Buying Guide: Key Purchase Considerations
- Fitment and diameter: Ensure the inlet diameter matches your exhaust piping (38-51mm is common for many bikes). Confirm the mounting style and hanger locations align with your frame and existing hardware.
- Sound and backpressure: Slip-ons can alter tone and exhaust flow. Carbon fiber and fishtail designs often produce distinct notes and weight savings, while no-baffle variants tend to be louder.
- Material and build: Stainless steel and carbon fiber components offer corrosion resistance and lighter weight. Stainless steel is typically more economical and durable for everyday riding.
- Installation complexity: Some exhausts include complete hardware, springs, and clamps; others require additional fabrication or professional installation. Consider your DIY skill level and tool availability.
- Compatibility with headers: Aftermarket and certain factory headers may differ in diameter or geometry. Verify that the chosen slip-on will fit your specific header pipe without modification where possible.
- Regulations and warranty: Local noise and emissions standards vary. Some slip-ons may affect warranty or require sensor compatibility on newer models. Check manufacturer guidelines and local laws.
- Maintenance and care: Stainless steel and carbon fiber finishes require occasional cleaning to preserve appearance and prevent oxidation. Inspect mounting hardware for tightness after riding seasons or track use.
- Performance vs. aesthetics: While many riders seek improved sound, some models emphasize weight reduction, while others focus on a classic look or a specific brand style. Balance form and function to suit your riding goals.
Across these options, riders should weigh compatibility with their bike’s exhaust system, desired sound level, and installation ease. The wide range of 38-51mm inlet compatibility ensures that both universal and model-specific slip-ons can offer meaningful upgrades without requiring a full exhaust replacement. For riders seeking a low-cost upgrade with straightforward installation, universal designs provide flexibility. For those prioritizing brand consistency and a traditional silhouette, Harley-specific fishtail and familiar slip-on styles may be preferable.