Choosing the right exhaust system for your Triumph Bonneville means striking the right balance between sound, performance, aesthetics and compliance. In this guide by FCR Accessoireswe help you select the line or muffler that will bring out the character of your Modern Classic, with concrete advice and links to our dedicated parts.
Why change the exhaust system on your Bonneville
Triumph's original lines emphasize compliance and noise attenuation. The result: a muffled sound, a sometimes heavy package and an engine that could breathe more freely. An exhaust system FCR Accessoires provides better gas flow management, weight reduction and a nobler sound signature, true to the spirit of the Bonneville.
- Smoother, more torquey mid-range.
- Allègement global du système d’échappement.
- Deep, mechanical and controlled sound.
- Clean lines that reinforce the Modern Classic style.
Understanding the role of exhaust
The Exhaust System channels, cools and dampens gases. Its design influences backpressure, and therefore torque availability, revving and engine character. A good Bonneville exhaust system promotes a smooth flow without disturbing the original engine mapping. This is the philosophy behind FCR Accessoiresphilosophy: achieve significant gains while preserving Triumph's DNA.
Complete line or silencer
There are two options, depending on your objectives, your budget and your desire for transformation.
Silencer only
Fitted on the original line, it improves the tone and refines the styling, without modifying the manifold.
- Fast, reversible assembly.
- More present, warmer sound.
- Reworked aesthetics at lower cost.
Complete line
Replacement of the entire system, from manifold to silencer, for a more pronounced sonic, visual and dynamic transformation.
- Optimized flow and reduced weight.
- Greater engine homogeneity.
- Coherent, streamlined design.
The right sound for a Triumph
On a Bonneville, the soundtrack adds to the emotion. At FCR Accessoireswe give priority to a low, clean sound, free from hum and aggression. Removable baffles let you modulate the intensity. For urban use, we prefer a contained volume; on the road, we open up to take advantage of a more present grain.
🎧 Listen to the sound: open video
Aesthetics and finishes
An exhaust system must extend the Modern Classic line: curved tank, slim Seat , short mudguards. Our curves respect the original proportions and reinforce the Bonneville's overall balance.
Compatibility and mounting
The lines FCR Accessoires lines for Triumph are designed by model generation to ensure plug-and-play installation. Kits include all necessary brackets and fixings. Removable baffles allow you to adapt the sound intensity to suit your use.
- Modern Classics after 2016 Street Twin, Speed Twin 900, Bonneville T100 and T120.
- Bobber 1200 and Speedmaster dedicated configuration with sound options.
- Simple installation, with no need to modify the frame or wiring harness.
Our FCR Accessoires lines for Triumph
Exhaust System Triumph Modern Classics
Compatible with Triumph after 2016: Street Twin, Speed Twin 900, Bonneville T100, Bonneville T120. Dimensions: H 455 mm, L 180 mm, W 490 mm. Material: stainless steel. Two finishes available. Removable baffles to modulate sound level. Optional 3rd probe added with support.
→ Discover: ligne-dechappement-triumph
Exhaust System Triumph Bobber 1200 & Speedmaster
Dedicated to the 1200 configurations. Dimensions: H 455 mm, L 180 mm, W 490 mm. Material: stainless steel. Two finishes available. Removable baffles, raucous and powerful sound, 3rd probe integrated with support.
→ Discover: ligne-dechappement-triumph-bobber
Triumph RS, Thruxton RS and Speed Twin
Performance-oriented development and precise response. Curves designed for a dynamic look and even breathing.
→ Discover: ligne-dechappement-triumph-rs
Ready-to-assemble ideas and models
Get inspired by our references FCR Accessoires for Triumph Bonneville and Modern Classics:
→ Modern Classics line
→ Bobber 1200 & Speedmaster line
→ RS / Thruxton RS / Speed Twin line
FAQ
Do I need to reprogram my bike after fitting an FCR Accessoires exhaust system?
On a recent Bonneville, our lines are designed to work with the original mapping. Adaptation can further optimize response and smoothness, especially if the exhaust is combined with a more liberated air filter. Our teams can advise you on a case-by-case basis.
Are FCR Accessoires exhausts approved?
We offer CE-approved versions depending on the model, and "racing" versions for off-road customization projects. Check local regulations and the product description to choose the right configuration.
What's the difference between a single silencer and a complete line?
The silencer mainly modifies sound and aesthetics, with quick, reversible assembly. The complete line brings a more global gain: optimized flow, reduced weight, enhanced visual coherence.
Which model should I choose for my Triumph Bonneville?
For T100 and T120, the Modern Classics line is ideal. For Bobber 1200 and Speedmaster, opt for the dedicated Bobber & Speedmaster line. For Thruxton RS and Speed Twin, the RS line favors precision response.
Can the volume be modulated?
Yes. FCR Accessoires lines are equipped with removable baffles that allow you to adjust the intensity according to use. You'll enjoy a richer tone on the road, while remaining measured in the city.
What's in it for the optional 3rd probe mentioned on your lines?
We add an optional third probe with support to improve compatibility and readout of engine parameters according to configuration. This approach guarantees smooth, long-lasting and reliable operation.






