AKRAPOVIC Slip-On Line Muffler - Titanium - Speed 400 S-T4SO1-HDT

If you're running a Triumph Speed 400 and want measurable gains in throttle response and mid-range power without compromising the bike's neo-retro aesthetic, the Akrapovic Slip-On Line muffler delivers both performance and style. This titanium system sheds 1.3 kg of unsprung weight while adding 0.7 kW and 1.9 Nm—real numbers, not marketing claims. Installation is straightforward and requires no ECU remapping, making this an accessible upgrade for riders who demand precision engineering over empty promises.

• Material: Sandblasted titanium outer
• Inner construction: Stainless steel
• Link pipe & end cap: Stainless steel
• Heatshield: Included, stainless steel
• Power gain: 0.7 kW @ 6,500 rpm
• Torque gain: 1.9 Nm @ 6,500 rpm
• Weight reduction: 39.5% (1.3 kg)
• Installation type: Bolt-on, plug-and-play
• Remapping required: No
• Certification: EC/ECE type-approved
• Fitment: Triumph Speed 400 only
• MPN: S-T4SO1-HDT