Stillen Supercharger estimates???

Kyle@STILLEN

The warranty right now will be on the kit components. Whether or not we extend that warranty to the engine depends on what we can work out with the insurance companies.

On the exhaust. You can prepare your car with a cat back but I would not recommend buying headers yet. In the past we have found that a supercharger can lose a pound of boost or so because of the decrease in back pressure. Until we can test the supercharger with the headers I would recommend not buying any brand of headers.

KEVTEX

Losing a pound of boost doesn't necessarily mean any power is lost. A supercharger at a given rpm will put out more cfm at a lower boost pressure. If back pressure is reduced by use of low restriction exhaust components, then one would expect more air to enter the engine. More air along with appropriate amounts of fuel should yield more horsepower.

Kyle@STILLEN

You are correct, in the past we had customer's install headers and they saw a drop in boost but because of the more efficient exhaust flow they did not necessarily see a loss in power. In fact, many times people reported that the headers felt like they improved acceleration.

With that being said, because we are in the very early stages of all of this, I am simply going to recommend not installing headers until we can test them.