Jackson Racing Header

[Dres97]

Alright I got some questions about the Jackson Racing Header.
#1 If i bought this header and didnt want to sawp out the cat for the extension could I?
#2 Would it be worth buy the header if could do this?
#3 Does anyone know where to get a good Carb leagal highflow Cat?

[FCobra94]

I have been wondering the same thing too. If all that is possible, I was also wondering what the gains would be like on the K20A3 w/o the supercharger...

[bioevolve]

On the K20A3, probably about 7-12whp gain.
You don't have to use 2nd section of the header, but would have to get an aftermarket cat and have flanges welded on it to fit the header and catback side of the exhaust, more money.
My suggesion, is not to buy the race header if you are going to use a cat.
The results would be about the same with a regular header.

[Tenacious G]

you kind of defeat the purpose of shelling out all that money for a race header if you're just going to pair it with a cat, even if it's a high-flow cat.