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Old 06-16-2009, 02:48 PM   #1
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Air Intake and pulley Questions?

I plan on doing SOME modification to my mustang (saving for another). I was looking at some cold air intakes and a pulley. It said in the description for both that they improve fuel economy? Not that fuel economy is my number one priority (I wanted a 2008 Ford F450 with an 8ft bed and a Turbo diesel), it has been just floating around in my head. Im thinking that its all just BS but does anyone know.
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Old 06-16-2009, 02:59 PM   #2
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Re: Air Intake and pulley Questions?

Well, I've heard that between the two you can see a 1-3mpg increase. The CAI will get the air flowing quicker which helps some, and the udp will free up some power robbed by accessories like a/c, so it's not total b.s., just probably not what their claiming.

Exhaust will help as well. Getting rid of that damn y-pipe and using two separate pipes will be the most effective way to get the gases flowing out quicker.
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Old 06-17-2009, 08:21 AM   #3
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Re: Air Intake and pulley Questions?

yea with cai/exhaust/underdrive pulley you will probably pick up 1-2 mpg on average~ and the power gains will be around 15-19rwhp for all of those mods if an auto get a tuner they really help and even more on autos (firm up the trans etc)
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Old 06-17-2009, 12:48 PM   #4
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Re: Air Intake and pulley Questions?

So 1-3 more MPG. At least that will cancel out the bigger rearend I plan on put in her.
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Old 06-17-2009, 01:43 PM   #5
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Re: Air Intake and pulley Questions?

nearly~I had those mods an 3.73 gears I would say I was still down 2-3 mpg on the highway on average.
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Old 06-18-2009, 12:14 PM   #6
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Exclamation Re: Air Intake and pulley Questions?

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Originally Posted by sonicpony03 View Post
Exhaust will help as well. Getting rid of that damn y-pipe and using two separate pipes will be the most effective way to get the gases flowing out quicker.
Yeah Im not to big on the exhaust thing on a V6 Mustang because I dont want it sounding like it came from Japan.
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Old 06-18-2009, 12:30 PM   #7
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Re: Air Intake and pulley Questions?

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Yeah Im not to big on the exhaust thing on a V6 Mustang because I dont want it sounding like it came from Japan.
You'd be surprised how decent they can sound. It all depends on which mufflers and type of system you use. A quiet, more mellow sounding sixer is the best sounding sixer. Plus, it looks way better than that single limp pipe.
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Old 06-18-2009, 04:20 PM   #8
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Re: Air Intake and pulley Questions?

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You'd be surprised how decent they can sound. It all depends on which mufflers and type of system you use. A quiet, more mellow sounding sixer is the best sounding sixer. Plus, it looks way better than that single limp pipe.
Not to get off topic but what would the best system be. I kinda like the FRPP kit but I dont know.
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Old 06-18-2009, 11:05 PM   #9
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Re: Air Intake and pulley Questions?

Pypes sound pretty good on the s197 4.0's. So do Borlas and sometimes flows and magnaflows. I say sometimes because the magnaflows can get raspy and the flowmasters drone after 2,000 rpms. I think an x-pipe causes this.

I haven't heard the FRPP ones, but I could imagine they would sound good since they're quieter. As I said before, a quieter, more mellow sixer is the way to go. You'd probably want a GT bumper for the two axleback mufflers/tips. New takeoff has some, and I'm sure you could find one on forums or other sites.
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Old 06-19-2009, 08:47 AM   #10
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Re: Air Intake and pulley Questions?

no matter what exhaust in the higher rpms it will sound a bit "ricey" thats just an even fire motor for you. The 4.0s sound better to me than the 3.8s just an FYI. Down low they wont sound bad its just above say 3k.
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Old 07-06-2009, 04:15 PM   #11
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Re: Air Intake and pulley Questions?

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Originally Posted by SVTCOBRA View Post
Yeah Im not to big on the exhaust thing on a V6 Mustang because I dont want it sounding like it came from Japan.
sounds more like a british car then a ricer
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