Termignoni Underseat Exhaust System Ducati Streetfighter V4 2025-26

Product Information

Experience the pinnacle of racing performance and Italian engineering with the Termignoni Underseat Exhaust System for the Ducati Streetfighter V4.

Developed exclusively for track use, this full racing system combines Termignoni’s signature ItalianSound with class-leading power gains, improved handling dynamics, and aggressive underseat styling. Whether you’re building the ultimate track weapon or pushing performance boundaries, this system is designed to deliver uncompromising results.

Manufactured from high-grade stainless steel, the semi complete system replaces the stock exhaust, significantly reducing weight and boosting engine response. With a power increase of +27.7 HP at 14,200 rpm and +13 Nm torque gain, this is a serious upgrade for serious riders.

Key Features & Specifications

• Fitment: Ducati Streetfighter V4 MY 2025
  
• Material: Collectors: High-grade Stainless Steel. Silencers: Titanium
  
• Layout: Underseat race-style system
  
• Weight Saving: -3.1 kg vs OEM
  
• Power Gain: +21.2 HP peak @ 14,200 rpm
  
• Max Gain: +27.7 HP @ 14,200 rpm
  
• Torque Gain: +12.1 Nm peak @ 11,250 rpm
  
• Max Torque Gain: +13 Nm @ 11,100 rpm
  
• Finish: Satin stainless steel with underseat silencers
  
• DB Killers: Removable
  
• ECU Tuning: Includes T800+ UpMap and cable
  
• Homologation: Not homologated 

Why Choose the Termignoni Underseat Exhaust System for Your Streetfighter V4?

• Designed to drastically improve throttle response, power delivery, and handling on track
• Lightweight construction optimises mass centralisation with underseat layout
• Includes the T800+ UpMap with cable to unlock ECU remapping potential
• Delivers Termignoni’s unique and aggressive exhaust tone – the unmistakable ItalianSound
• Engineered exclusively for Ducati by Italy’s top exhaust brand

What’s Included?

• Semi complete Stainless Steel Collectors (Connects to front header pipes)
• Titanium silencers
• Underseat silencer section
• Link pipes and mounting hardware
• T800+ UpMap device with dedicated Ducati cable
• Removable db killers
• Installation instructions

Assembly Instructions and Warnings

Installation should be carried out by a qualified individual or technician to ensure optimal performance and safety. The included T800+ UpMap device allows easy ECU reprogramming via your smartphone. A stable internet connection is required for downloading maps.

Before installation:

• Ensure your bike is cool and on a stable stand
• Wear gloves and eye protection when handling and fitting the exhaust
• Follow the supplied instructions precisely
• Use only the map specified for this exhaust via the UpMap app
• Adjustments or tuning without the correct map may result in performance loss or engine issues