New Benelli TNT125 & 135 Tornado+Naked De Cat Down-Pipe Exhaust header UK Made Ø32

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If you’re searching for a premium benelli tnt exhaust upgrade that combines performance, weight savings, and refined sound, the New Benelli TNT125 & 135 Tornado+Naked De Cat Down-Pipe Exhaust Header is engineered to transform your ride. Manufactured in the UK from high-quality T304 stainless steel, this Ø32mm header is designed specifically for riders who demand more from their Benelli TNT 125 and 135 models without compromising on quality or road legality.

About the Benelli TNT Exhaust System

This British-made benelli tnt exhaust downpipe represents a significant upgrade over the standard factory exhaust header. Crafted from premium T304 stainless steel with a 32mm diameter bore, this de-cat front pipe has been precision-engineered to fit exactly as the OEM component whilst delivering superior performance characteristics. The removal of the restrictive catalytic converter box allows for dramatically improved exhaust gas flow, which translates directly into noticeable power gains and throttle response improvements.

What sets this exhaust header apart is the inclusion of a specially designed Powerbomb baffle. This innovative feature allows the system to produce a sportier, more aggressive exhaust note than the standard setup whilst remaining within road-legal sound limits. For riders who want enhanced performance and a refined exhaust tone without attracting unwanted attention from law enforcement, this represents the perfect balance.

The complete kit includes all necessary fitting brackets and retains the lambda sensor hole in the pipework, meaning you can simply refit your OEM standard oxygen sensor without any modification or additional purchases. This attention to detail ensures a straightforward installation process that can be completed with basic mechanical knowledge and standard tools.

Key Performance Benefits of This Benelli TNT Exhaust Upgrade

One of the most impressive aspects of this benelli tnt exhaust system is the substantial weight reduction it offers. The standard Benelli TNT downpipe weighs approximately 3.4 kilograms, whilst the Quill Performance replacement weighs just 1.4 kilograms – an impressive weight saving of 2.0 kilograms. On a lightweight motorcycle like the TNT 125 or 135, removing two kilograms from the front of the bike noticeably improves handling characteristics, acceleration, and overall agility.

Beyond weight savings, the improved exhaust gas flow provided by the de-cat design and optimised 32mm diameter bore helps your engine breathe more efficiently. This results in improved power delivery across the rev range, with particular gains in mid-range torque and top-end horsepower. The system has been carefully developed by Quill Performance Exhausts to deliver maximum power gains without requiring any fueling modifications or ECU remapping, though a remap can unlock even further potential if desired.

Why Choose This Benelli TNT Exhaust Over Standard?

• Significant weight reduction: Save 2.0kg compared to the factory downpipe, improving power-to-weight ratio and handling
• Enhanced gas flow: De-cat design removes restrictive catalytic converter for improved engine breathing
• Premium materials: T304 stainless steel construction offers superior corrosion resistance and longevity
• Road-legal sound: Powerbomb baffle provides sporty tone whilst remaining within legal decibel limits
• Direct fit: Installs exactly as standard using OEM gaskets and mounting points
• Lambda sensor compatible: Pre-drilled sensor hole allows simple refitting of your standard oxygen sensor
• UK manufactured: Precision-built in Britain to exacting quality standards
• No fueling changes required: Engineered to work with standard ECU mapping

The downpipe connects directly to your standard rear silencer using the existing gasket. For optimal sealing, Quill Performance recommends applying a normal household silicone-based sealant inside any joints to ensure a completely gas-tight seal. This simple step prevents any potential exhaust leaks and ensures maximum performance from your new system.

Installation and Fitment Details

Installing this Benelli TNT downpipe is straightforward for anyone with basic mechanical aptitude. The system is designed as a direct replacement for the standard header, utilising all existing mounting points and brackets. The included fitting bracket ensures secure installation, whilst the lambda sensor hole allows you to maintain proper engine management functionality by refitting your OEM oxygen sensor.

For riders looking to upgrade other aspects of their motorcycle’s performance, Quill Performance Exhausts offers a comprehensive range of exhaust components across multiple manufacturers. If you ride a larger capacity bike, you might be interested in our Kawasaki Z1000 2010-2019 de-cat pipe, which offers similar performance benefits for that model.

Understanding the technical aspects of exhaust system design can help you appreciate the engineering that goes into performance upgrades like this. For those interested in learning more about how exhaust systems affect engine performance, Cycle World offers an excellent technical explanation of exhaust theory and design principles that apply across all motorcycle applications.

Frequently Asked Questions About This Benelli TNT Exhaust

Will this exhaust require a remap or fueling changes?
No, Quill Performance Exhausts are manufactured to give maximum power without the need to alter the fueling. However, a custom remap can unlock additional performance if desired.

Is this exhaust road legal?
Yes, whilst the system is louder than standard, it incorporates a Powerbomb baffle designed to keep sound output within road-legal limits.

Will this fit both TNT 125 and TNT 135 models?
Yes, this downpipe is compatible with both Benelli TNT 125 and TNT 135 Tornado and Naked variants.

What gaskets and hardware do I need?
The system uses your standard OEM gasket where it connects to the rear silencer. All necessary brackets are included, and we recommend using silicone sealant for optimal sealing.

How much performance gain can I expect?
Whilst exact figures vary depending on other modifications and conditions, riders typically report noticeable improvements in throttle response, mid-range torque, and top-end power, along with the substantial weight saving benefits.

Investing in a quality benelli tnt exhaust upgrade transforms your riding experience through improved performance, reduced weight, and enhanced sound character. The New Benelli TNT125 & 135 De Cat Down-Pipe from Quill Performance represents exceptional value, combining British manufacturing quality with practical performance gains that you’ll feel every time you twist the throttle.

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