Turbosmart - Exhaust Manifold Absolute Pressure Canister 3AN to 1-8NPTTurbosmart Exhaust Manifold Absolute Pressure Canister 3AN to 1 8NPT Accurate data starts with stable pressure. The Turbosmart EMAP Pulsation Damper smooths out exhaust pressure spikes before they reach your sensor, delivering clean, consistent data for precise tuning and control. Turbocharged engines generate intense exhaust pulsations that can cause erratic EMAP readings. This damper filters those fluctuations using a series of calibrated internal