Exhaust System
Fits: Aprilia RS4 125 2011 - 2020 models

• This system uses larger diameter tubing in place of the more restrictive and much heavier OEM Aprilia item. Designed for riders who want a more light weight traditional looking system.

• Replaces the heavy OEM system. Silencer Baffle / DB killer is removable.

• No modifications required, ie Re-mapping, Power commander.

• Silencer mounting kit, clamps and brackets included.

• Header/Down pipe Material : 304 grade polished stainless steel.

• Silencer Material : 304 grade polished stainless steel + 3K Weave Carbon Fibre 

• Silencer Body Length excluding tips : 400mm

• Silencer Code : 400ST

• See our Silencer Specifications for length & noise levels.

• 2 Year Black Widow Unlimited Mileage Warranty.