2025 Streetifighter V4 Termignoni Slip ons – Underseat Exhaust Kit
Upgrade your motorcycle’s performance and style with the 2025 Streetfighter V4 Termignoni Slip ons Underseat Exhaust Kit, engineered for riders who demand race-level precision and unmatched aesthetics. Designed to fit directly onto the original front headers, this semi-complete system delivers aggressive sound, optimized airflow, and a significant weight reduction compared to stock components.
The installation of this Termignoni underseat exhaust involves removing the catalytic converter and the OEM rear header assembly, replacing them with a high-flow stainless steel mid-pipe included in the kit. This modification improves exhaust gas evacuation, unlocking better throttle response and enhanced power delivery.
Each silencer is constructed from premium stainless steel and features a titanium sleeve, titanium mounting bands, and carbon fiber front and rear end caps for a distinctive racing look. The exhaust tubing is stainless steel, while the included carbon fiber heat shields feature a laser-etched “titanium” marking and a riveted metal Termignoni logo, emphasizing authenticity and craftsmanship.
This kit also includes the Termignoni T800+ UpMap device with a dedicated cable and your first performance map. The map will be available from August 2025, allowing you to fine-tune your ECU for maximum gains in horsepower, torque, and overall rideability.
Whether you’re chasing podium finishes or simply want your bike to sound and perform like a true race machine, this 2025 Streetfighter V4 Termignoni Slip-ons exhaust system offers a perfect blend of Italian engineering, premium materials, and cutting-edge performance technology.
Key Features:
- Racing underseat design for aggressive style and sound
- Titanium sleeves, carbon fiber end caps & heat shields
- Stainless steel tubing with high-flow mid-pipe
- Lighter than oem
- Includes T800+ UpMap tuner and first ECU map (August 2025 release)
- Direct fit for OEM front headers
Experience the sound, performance and style that only Termignoni can deliver.
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