Kawasaki KLZ Versys 1000 2012 – 2019 Stainless De-cat exhaust pipe & clamps

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If you’re looking to enhance the performance and reduce the weight of your motorcycle, this Kawasaki Versys exhaust upgrade is the perfect solution for riders of the KLZ Versys 1000 manufactured between 2012 and 2019. Our precision-engineered stainless steel de-cat exhaust pipe and clamps offer a straightforward way to eliminate the restrictive catalytic converter, delivering noticeable improvements in throttle response, sound, and overall riding experience.

About the Kawasaki Versys Exhaust De-cat System

The Kawasaki KLZ Versys 1000 is a versatile adventure tourer beloved by riders who demand reliability and performance across varying terrain and conditions. However, like many modern motorcycles, it comes fitted with a heavy catalytic converter that restricts exhaust flow and adds unnecessary weight to the bike. Our aftermarket de-cat pipe addresses these limitations head-on.

This CNC mandrel-bent 50mm diameter link pipe is manufactured from high-grade T304 stainless steel, ensuring exceptional durability and resistance to corrosion. The mandrel bending process maintains a consistent internal diameter throughout the pipe, eliminating any restrictions and allowing exhaust gases to flow freely. This results in improved engine efficiency and a more responsive power delivery, particularly noticeable in the mid-range.

What You Will Receive with Your Kawasaki Versys Exhaust Upgrade

When you order this de-cat system, you’ll receive a complete kit that includes the precision-manufactured de-cat exhaust pipe specifically designed for the Kawasaki KLZ Versys 1000, along with all necessary clamps for secure installation. The pipe is designed to replace the factory catalytic converter section that sits between your OEM headers and rear silencer.

The beauty of this system is that it requires no welding whatsoever. The supplied clamps ensure a secure, leak-free connection that can be installed and removed without permanent modifications to your motorcycle. This makes it an ideal choice for riders who may want to revert to the standard configuration in the future, or simply prefer not to commit to irreversible alterations.

Key Features and Benefits of This Kawasaki Versys Exhaust De-cat Pipe

• Dramatic Weight Reduction: The standard OEM catalytic converter weighs a substantial 4.2 kilograms, whilst our aftermarket de-cat pipe weighs just 0.5 kilograms. This represents a weight saving of 3.7 kilograms from a centralised location on the motorcycle, contributing to improved handling and agility.
• Premium T304 Stainless Steel Construction: Our de-cat pipe is manufactured from T304 grade stainless steel, which offers superior corrosion resistance compared to mild steel alternatives. This ensures your investment will maintain its appearance and structural integrity for years to come, even when exposed to the elements.
• CNC Mandrel Bent for Optimal Flow: Unlike crush-bent pipes that can create internal restrictions, our mandrel-bent design maintains a consistent 50mm internal diameter throughout, maximising exhaust gas flow and reducing back pressure.
• No Welding Required: The complete kit includes all necessary clamps for a secure installation without the need for welding equipment or specialist skills, though some cutting of the original headers is required.
• Compatible with Standard or Aftermarket Silencers: Whether you’re running the factory rear silencer or have already upgraded to an aftermarket option, this de-cat pipe will integrate seamlessly with your existing setup.
• MOT Considerations: In the UK, motorcycles are tested for noise emissions rather than exhaust emissions during MOT testing. Provided you retain a road-legal silencer, your Versys should still pass MOT inspection after installing this de-cat pipe.

Installation and Fitment of Your Kawasaki Versys Exhaust System

Installing this de-cat pipe does require cutting your standard OEM headers at the specified position to remove the catalytic converter section. We provide detailed pictures and comprehensive instructions to guide you through this process. Whilst this is typically performed in a workshop environment, a mechanically competent person with appropriate tools should be capable of completing the installation.

You’ll need basic hand tools including spanners, a cutting tool suitable for stainless steel (such as an angle grinder or reciprocating saw), and a means of supporting the motorcycle safely whilst you work. The entire process can typically be completed in a few hours, depending on your experience level and working conditions.

Once the original catalytic converter section has been removed, the new de-cat pipe simply slots into place between the cut header pipes and your existing rear silencer. The supplied clamps are then tightened to create secure, gas-tight seals at both connection points. We recommend using high-temperature assembly paste on the joints to ensure optimal sealing and to facilitate future removal if required.

Why Choose Quill Performance Exhausts for Your Kawasaki Versys Exhaust Needs?

At Quill Performance Exhausts, we specialise in manufacturing high-quality aftermarket exhaust components for a wide range of motorcycles. Our products are designed and manufactured in-house, allowing us to maintain strict quality control throughout the production process. Each component is inspected before dispatch to ensure it meets our exacting standards.

We understand that motorcyclists demand products that offer genuine performance benefits whilst maintaining reliability and durability. That’s why we use only premium materials and proven manufacturing techniques. Our experience in the exhaust industry means we can offer expert advice and support should you have any questions about fitment or installation.

If you’re working on other Kawasaki models, you might also be interested in our Kawasaki Z1000 2010-2019 de-cat pipe or our Kawasaki Z900 RS de-cat exhaust system, both manufactured to the same exacting standards as this Versys application.

Performance Gains and Sound Enhancement

Removing the catalytic converter from your Kawasaki Versys exhaust system delivers several tangible performance benefits. The most immediate improvement is a reduction in exhaust back pressure, which allows the engine to expel spent gases more efficiently. This translates to improved throttle response, particularly noticeable when accelerating from low to mid-range RPM.

Many riders also report a more satisfying exhaust note after removing the catalytic converter. Whilst the change isn’t as dramatic as fitting an aftermarket silencer, the removal of the restrictive cat-box does allow more of the engine’s natural sound characteristics to come through, giving your Versys a slightly deeper, more purposeful tone without becoming antisocially loud.

For detailed technical information about catalytic converters and their function in motorcycle exhaust systems, Motorcyclist Online offers an excellent technical guide that explains the engineering principles involved.

Frequently Asked Questions

Will this affect my motorcycle’s warranty? Modifications to the exhaust system may impact manufacturer warranty coverage. We recommend checking your warranty terms or consulting your dealer before proceeding with any modifications.

Do I need to remap my ECU after fitting this de-cat pipe? Whilst not strictly essential, an ECU remap or fuel controller can help optimise performance after removing the catalytic converter. Many riders notice improvements even without remapping, but a professional tune can maximise the benefits.

Is this legal for road use? In the UK, removing a catalytic converter from a vehicle originally fitted with one may have legal implications. This product is sold for off-road, track, and competition use. Buyers should familiarise themselves with local regulations before installation.

How difficult is the installation? The installation requires cutting the original exhaust headers, so some mechanical aptitude and appropriate tools are necessary. If you’re uncomfortable performing this work yourself, we recommend having the installation completed by a qualified motorcycle technician.

Transform your Kawasaki KLZ Versys 1000 with this premium quality de-cat exhaust system and experience the benefits of reduced weight, improved flow, and enhanced performance that Quill Performance Exhausts is renowned for delivering.

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