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Old 09-26-2006, 17:24   #1 (permalink)
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Dual exhaust for Crown Vic

The crown vic may not perform as well as a mustang, but it's what I have, and it still has the 4.6L modular V8 engine. I am referring to a 1997 Crown Victoria LX in asking my questions. I am looking for a simple way to upgrade to a dual exhaust. Let me specify; a cat-back dual exhaust. I would do a true dual exhaust but I have low funds and replaced the cat just a couple years back. I know many of the Crown Vics came with a dual exhaust stock. If I could find something like that used, or a new kit that would fit my car, that would be great. Just looking for about a 20hp gain (The cars that came stock with a dual exhaust in 1997 had about 20 more horsepower.), and better sound. If I find a used exhaust I will add flowmaster mufflers, simply for the sound. If I find a kit that includes everything, even better. I have looked all around and havn't been able to find what I'm looking for. Hopefully someone here can help.

Also, if anyone wants to throw out an idea for a new intake, I would certainly like to look at it. I've been looking at options and I think I just want to remove the box and put in a different filter setup at the end of it; cheap and a slight performance increase. I do not want to just put a conical filter on there, however, because it will be pulling hot air straight out of the engine bay. In the summer, especially down south where I live, I believe that setup may actually hurt performance. If you have any ideas please share.

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Old 09-26-2006, 19:25   #2 (permalink)
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Re: Dual exhaust for Crown Vic

your local auto zone or napa should have a dual exhaust kit for your car pretty cheap you just have to pick a set of mufflers because they do not have a good selection.
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Old 09-27-2006, 18:12   #3 (permalink)
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Re: Dual exhaust for Crown Vic

if you still have the factory exhaust, just get a ford or aftermarket h-pipe and the drivers side exhaust and bolt it right up.the passenger side exhaust is the same part for duel or single exhaust
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Old 09-27-2006, 19:58   #4 (permalink)
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Re: Dual exhaust for Crown Vic

Perfect. I found the h-pipe, also looked at x-pipes, and I think the h-pipe is the best for me, plus the price is great. I will have to look under my car to make sure it does not have a resonator at the end of the tail pipe (the police versions didn't have it, not sure about civilian, and I don't want it).. if it does, I will buy two new tail pipes, if it doesn't, then I save $30 and only have to buy one. I am also going to add two Flowtech Afterburner mufflers, I think. Any opinions on those or other mufflers would be great (keep the price under $50 apiece). I do not want it to be really loud, just a noticable, good sound when I rev the engine. At idle it does not need to make a whole lot of noise at all; while I wouldn't mind hearing it a little, I do not need it to rumble when I am just sitting in traffic.. which I do a lot. I did some research on the Flowtechs, and the price is right, plus they actually seem like they may help performance a little (mufflers do not often do a whole lot for performance, as far as I understand). The only issue is I'm worried about the noise level; anyone know the decible level of the stock exhaust system, dual or single? If I knew that it would give me a good idea of how loud I want the new exhaust to be.

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Old 09-28-2006, 19:09   #5 (permalink)
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Re: Dual exhaust for Crown Vic

Change that, I think I am going with Hooker Maxflows. Anyone know exactly which ones would fit my car? I believe it's the 2-1/2in center to offset (might be offset to center.. reversable so it doesnt matter).
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