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Lng tube headers

951 Views 8 Replies 6 Participants Last post by  LTorve
Is there any way to use long tube headers with stock cats (without offroad piping or high flow cats)? Can a shop cut in front of the cats for an install?
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I have that setup, Kook long tube headers, h high flow, Borla Stinger exhaust from Ford Racing. Heads Ported, exhaust and intake ports opened and shaped so there is greater air flow.
IMG 0113 - YouTube

V6 Kona Blue - YouTube

One vid is outside taken with my Iphone, the other is at Tilman Speed dyno pull to adjust belts, a/f ratio, fuel pressure and boost.
Sorry, forgot something, it is extremely loud when you hit the hammer-annoyingly thats your call. I put a little h20 in one pipe to show air flow.
You need all the air you can get, use it and get rid of in order to generate hp. If need be fit the exhuast to the note that suits you, but get the long tube headers. I love Kooks for the obvious reasons but also because of the solidly built flanges. Not true with most other long tube headers.

Good luck
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