4.6L General DiscussionThis section is for non-tech specific information pertaining to 4.6L (Modular) Mustangs built from 1996 to 2004.
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Whats up with the 130mph speedo and 5000rpm redline I would keep hunting if I was you.
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03GT(auto) 3:73s, V1 s-trim, 339hp/358rwtq @5psi
06 TBSS(DD) H/C/E 439rwhp/439rwtq
02 RC-51 pc, slip ons
PROUD Iraq/Afghanistan war Vet 4 deployments total the wife is an Army/war vet also.
A lot of places I have seen that do emissions testing fail you if you have LT's, even if you do have cats. And obviously having no cats will fail you.
I have always passed my emissions with long tubes and high flow cats. It all depends on what type if emissions inspection is done. Some places do codes/computer only others do visual inspection and some do both. I live in a county that does codes/computer only so i pass with flying colors even with tubes, so it all depends on the inspecting station and regulations.
In search of new #s and me to stop being a lazy *** and do some work.
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