This is a Exhaust Manifold Backpressure damper that aids in the ability to measure backpressure on your turbocharged vehicle. This item is for the damper only but to completely install this you might require fittings, line, and a sensor.
Sp...
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Shane · December 14, 2025
EMAP Backpressure Damper
Just bought two of these for my race car. Perfect size for easy and convenient placement. It would be nice if they were powder coated or anodized, but for the price, they are a very nice product.