Boost Logic R35 4″ Titanium exhaust Valved Section Upgrade
**This is only for the muffler section of the exhaust you must re-use your existing tips**
Our boost activated valve option features valves that remain closed under 7psi of boost which will keep your GTR quiet while cruising and idling. Once you exceed 7psi of boost, the valves open to provide the maximum airflow possible, allowing your engine to produce the most power possible. We have designed this upgrade in such a way to prevent any excess back pressure or power loss while the valves are closed. When the valves are open, this system flows as much as our standard race proven titanium exhaust system.