A boost-activated valved rear muffler section for the Boost Logic Magnum 4.5" exhaust.
- Muffler section only; reuses your existing tips
- Valves stay closed below about 7 psi of boost and open above it
- Averages about 10 dB quieter than the non-valved version
- Flows the same as the race exhaust when open
Fitment: Nissan R35 GT-R. Designed only for Boost Logic Magnum 4.5" exhaust systems.
For off-road use only.