whipples stage 1 engine kit for 469's
 

anyone try this stage 1 kit on their 496 engines yet? this kit claims 10% hp increase , kit includes ( programming,air filter and themostat) for $995 .

Yes, I spent all my money getting my boat or I would have gotton the supercharger to start with. I gained a few MPH and I don't have to spend an hour at the boat ramp cleaning the black $h!t off the back of my boat. I think headers will be next and then Lung surgery for the floating chariot!!