SC PROJECT STR-1 FULL SYSTEM 3-1 EXHAUST FOR TRIUMPH TRIDENT 660 (2021-22)

SC PROJECT STR-1 FULL SYSTEM 3-1 EXHAUST FOR TRIUMPH TRIDENT 660 (2021-22)

The Triumph Trident 660 stands out as one sc-project-str-1…dent-660-2021-22/ of the top entry-level naked bikes. It’s sporty, practical, and filled with character—thanks to its punchy triple-cylinder engine. For riders who crave more power, sharper throttle response, and aggressive styling, the SC-Project STR-1 Full System 3-1 Exhaust is the perfect upgrade.

This isn’t just an aftermarket slip-on. It’s a complete performance system developed from SC-Project’s race experience in Moto2 and WorldSBK. With this system, the Trident becomes louder, lighter, and far more responsive.

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Design & Construction: Lightweight and Purpose-Built

The STR-1 is crafted from aerospace-grade stainless steel for the headers and collector pipes. This ensures high durability while saving weight. The muffler is made of lightweight titanium and finished with a carbon fiber end cap. This not only enhances heat resistance but also delivers a race-ready appearance.

This full system replaces the entire factory setup—headers, mid-pipe, and silencer. The new design improves the bike’s weight distribution and adds a sharper silhouette. Compared to the OEM exhaust, the STR-1 is noticeably slimmer and more compact.

The matte finish and laser-etched SC-Project logo give it a premium look. Its aggressive stance fits perfectly with the Trident’s modern and sporty aesthetic.

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Sound: The Triple’s Voice, Unleashed

The Trident’s triple engine already has a distinct character. But the stock exhaust muffles its potential. With the STR-1 installed, the bike comes alive.

At idle, the sound is deep and muscular. As the revs rise, it builds into a raw, rally-inspired growl. It’s bold and aggressive, but not harsh or overbearing.

SC-Project includes a removable dB killer. You can ride quietly for daily commutes or remove it for track days and spirited weekend rides. Either way, the STR-1 gives your Trident the voice it deserves.

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Performance: Real Gains You Can Feel

This isn’t just a sound upgrade. The STR-1 is a true performance system. It removes the factory catalytic converter and opens up the flow path. That means better engine breathing and a noticeable boost in responsiveness.

Key benefits include:

• Quicker throttle response in real-world riding

• Smoother torque delivery across the rev range

• Better acceleration, especially in the mid-range

• Lower engine temperatures due to less backpressure

You’ll feel the difference immediately. The bike revs more freely and responds faster to throttle input. Even without tuning, the ride feels more exciting and connected.

For optimal results, pairing the STR-1 with an ECU remap is recommended. This helps maximize performance and ensure ideal fuel-air ratios.

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Weight Savings: Lighter Bike, Better Handling

Shedding weight is one of the most effective ways to improve performance. The STR-1 removes several kilos from the bike—especially from the high and rear-mounted sections of the stock system.

That translates to:

• Sharper handling during quick transitions

• Better chassis balance, particularly in corners

• Reduced rider fatigue, especially on longer or spirited rides

The weight savings improve agility, making the Trident even more enjoyable in tight urban spaces or winding backroads.

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Installation: Simple and Seamless

Despite being a race-inspired system, the STR-1 is easy to install. It bolts directly onto the Trident’s original mounting points. No cutting or welding is required.

SC-Project provides all the necessary brackets, gaskets, and instructions. Most experienced riders or mechanics can complete the job in 1–2 hours.

Once fitted, the system blends beautifully with the bike’s lines. It doesn’t interfere with panniers, footrests, or other accessories.

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Street Legality & Considerations

The STR-1 is primarily designed for track use. It doesn’t include a catalytic converter and may not meet road legality standards in some regions.

However, in areas with relaxed regulations, many riders use this exhaust on the street without issue. Be sure to check your local laws before installation.

For those focused on performance, a custom ECU tune can unlock the full potential of the STR-1 system.

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SC-Project Heritage: Race-Proven Performance

SC-Project is a name trusted in the world’s top racing championships. From MotoGP to Dakar, their exhausts are engineered to deliver power, durability, and precision.

When you install the STR-1 on your Trident, you’re not just getting an exhaust. You’re adding a piece of that race-bred DNA to your machine. Every weld, every bend, and every decibel is the result of years of development at the highest level of motorsport.

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Final Thoughts: A High-Impact Upgrade

If you want your Triumph Trident 660 to sound better, ride sharper, and feel more alive, the SC-Project STR-1 is one of the best upgrades you can make. It brings together performance, style, sound, and quality in one aggressive, race-inspired package.

Why the STR-1 Stands Out:

✅ Titanium and stainless steel construction
✅ Big weight savings for improved handling
✅ Race-inspired, aggressive exhaust tone
✅ Gains in torque and throttle response
✅ Easy, no-hassle installation
✅ Trusted by professional racing teams

Whether you’re chasing lap times or just want your Trident to turn heads, the STR-1 full system transforms your ride from mild to wild.

Weight	9 kg
Dimensions	55 × 33 × 25 cm
Preferred Finish	Carbon Fiber, Matt Black