We have just finished prototyping a header for the 451. It is designed to be a bolt on application that will work with either the stock muffler or one of our after market ones. These are race applications only and are not smog legal. Our first run has already been sold to Smart Madness so you can contact them to get your car ready to go do some autocross events. The header is a stepped header, unlike most other headers out there that uses a standard size tube to the collector, we really went all out and started with a smaller primary tube and then stepped it up a size even before the collector. This gives the exhaust the best possible performance. I have attached a picture to show what it would look like but keep in mind this is a prototype and it is not shown in ceramic coating. Speaking of ceramic coating, that is the only way they will be sold, so that we keep the temperatures down to a minimum.
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