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Our custom throttle porting is a fine addition to releasing every bit of horsepower from your performance upgrade. As you can see from the picture above the throttle body is nice and smooth with no rough areas visible. 

This in turn makes for smoother air flow while increasing air volume into the engine. We are seeing horsepower gains of 10 to 18 depending on performance upgrades. This is a big jump in horsepower from something so simple.

You do not need to have one of our performance packages install to have this done. If you would like this done for you GM vehicle. Just contact The Corvette Doctor.