Hey all, I didn't see a thread specific to the 4.6L engine, so I thought I would post here. I have two questions in one. I rebuild and repair engines for a living for a high performance engine company, so I know alot about engines and such, but I was hoping to get some concrete numbers, if anyone has any.
I have a 1994 Grand Marq with the 4.6L. I was wondering what kind of improvements I would get from removing the CAT? Also, what kind of improvement would I get if I installed dual exhaust?
I just wanted to make sure it is worth the cost. If it's a small improvement on performance and mileage, then I won't do it. If it's a good amount of improvement, then I would invest the money.
Thanks!
I have a 1994 Grand Marq with the 4.6L. I was wondering what kind of improvements I would get from removing the CAT? Also, what kind of improvement would I get if I installed dual exhaust?
I just wanted to make sure it is worth the cost. If it's a small improvement on performance and mileage, then I won't do it. If it's a good amount of improvement, then I would invest the money.
Thanks!
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