The QuickSilver Sport System with Sound Architect Valves gives your Defender P400 the sound you expected from the factory.
• Valve control for the perfect sound.
• Stainless Steel mandrel bent tubing.
• Improved throttle response.
• Fantastic burbles and pops on the overrun.
• Civilised to sports car in an instant.
• The 4 x straight carbon fibre tail pipes and mirrored traverse box are a huge improvement to the rear view.