Exhaust Systems
What Is a Valved Exhaust?
A valved exhaust lets you switch between quiet and loud on demand. How the valves work, how you control them, and who they actually...
Technical guides
Fitment, materials, dyno data and tuning answers from the people who build the parts. Written by AZ Motorsport in Québec.
A valved exhaust lets you switch between quiet and loud on demand. How the valves work, how you control them, and who they actually...
Many valved systems reuse your factory valve motors so your stock drive modes keep working. Here is how to check yours before you order.