430 4-2-1 Header Design Interest List

Being frank, I think this ship has sailed.

Top Speed offer a very good budget option for $999
Supersprint offer the best performance (proven) and design for $+++

There are many options in-between.

I'm unsure where a new offering would fit in to the market?

 

The capristo design is a work of art in the way the bends are done. Some systems are dreadful with the bend being 2 cropped pipes welded together like a right angle.

 

I would be more interested in a service similar to this but in the US: https://quicksilverexhausts.store/collections/ferrari-f430-1/products/ferrari-f430-manifold-exchange-2004-09?variant=39986419531818

being in a state that requires smog checks and inspections, something like this let’s me fly under the radar but still solves the issues with the precats. Plus, it keeps the OEM look.

 

I can't seem ti find it using the search, but I could recall (maybe it wasn't on Ferrarichat) someone comparing the Challenge Header welds and thickness to the regular headers and the Challenge headers were beefier. I would rather get the challenge headers and grind off the part that says "For racing use only") and leave the Ferrari stamp since the headers look stock from the outside except for the engraving.


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You can always get a cheap set of cores off eBay. I guess it wouldn’t matter if they were cracked already if it’s just for a jig:

https://www.ebay.com/itm/254533198860?hash=item3b435c640c:g:rRsAAOSwMQ5eYpng&amdata=enc%3AAQAIAAAA4BbVAGr4Dw84VevPf9YOZiLc3qT2nIEzfKfTXxVBYqJNN8iOLTsemfLJZOljVZpYdVMrVHeMGQtmeNlFM%2F8m5wXgUQGj5kRSmYab8pB6MIV0CV8WBMEn%2B6hCfRWqJSqApC0a%2FZ4HCqZ7fzkJkKgk7k4WKqBcBJbXOJKw7PHnMSXBXo9nG09diBMfVJVnN%2Fc4O1rhFLvXXdaIbKQH6E1G5zQfgCRIpKuoYJMVptQsy9h%2B83sExmL08liGridm3Gz2Z50ZnuptQZOpCd3TzyFXDFiMBB%2BJuE5G%2FLn6Df%2FdPAfe%7Ctkp%3ABk9SR6KW_aH5YQ

 

Larini is also 4-2-1... British made, high quality, inconel shields... They were 4,400 shipped back in mid 2022


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Just for reference, this is what the OEM ones look like without a shield:

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My understanding is they are all made to order, I would assume they would make them anyway you want.
There's a member here with them, was it Dallas car nut?

 

On that quicksilver site they talk about primary pipes melting and show pictures of 355 manifolds which suffer this. Nothing to do with 430 manifolds. Beware, and the price per manifold!

 

Doing a little more reading, looks like for both 355 and 430 they just built custom headers that fit inside the old heat shields so no one notices. Pretty stealth.


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Why would you want 4-2-1 headers instead of 4-1? The big advantage of a flat crank V-8 is extraction is superior to a 90 degree crank V-8. Ours are two four cylinders on the same crank and theirs is 4 V twins on same crank. Best extraction is a 4-1 set-up, where each cylinder helps evacuate the gasses for the next one in order. A 4-2-1 system is not as efficient at doing that since it is mixing pulses in the common pipes.

 

Yup, unequal length pipes would negate much of the value of any header system.