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Old 07-31-2011, 01:32 PM   #1
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First Mustang - First Post - Need litte advice

Hi, I recently bought a 2001 mustang base. V-6, 5 spd, 120k miles, beautifully BONE STOCK in every respect and I intend to customize it into something I enjoy driving.

My goal with this car is MAXIMUM MPG. I'm not concerned too much about racing it.

Driving to work all week at 30-35 mph I got 16 mpg on a tank.
Base line road trip was 200 miles and I got 24 mpg @ 80-85 mph
Next trip was 180 miles and I got 27 mpg @ 65-70 mph.

I added a CAI from American Muscle and made no road test.

I got a SCT tuner and a 65mm BBK throttle body. Set to 87 octane tune and the daily commute got 20 mpg out of that tank. Yesterday I did a 200 mile trip on 91 tune going 70-75 mph and got 30 mpg.

I am seeing results with increased MPG across the board, and I know that more air in and more air out = better performance... Exhaust is next.

I have a cracked exhaust manifold and a hole rusting through my muffler. I got an unopened-new-in-the-box set of pacesetter shorty headers for $50 from a kid at work. So here is my question...

How much do I NEED to open my exhaust in order to get the maximum benefit in MPG before the law of diminishing returns starts to rip chunks out of my wallet? There are far too many options...

Is a catback with shorty headers and factory Y-pipe enough? Do I NEED to do more than that such as true dual exhaust to maximize MPG?

Thanks.
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Old 07-31-2011, 01:45 PM   #2
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True dual I believe cannot hurt and is probably better overall.
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Old 07-31-2011, 01:51 PM   #3
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Well most flow is long tubes and no cats. But for you I would say the headers will help and then duals but its like one at most lol. Get a Windstar intake
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Old 07-31-2011, 01:55 PM   #4
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Re: First Mustang - First Post - Need litte advice

full exhuast wont hurt, but i dont believe it will actually help mpgs, or horsepower. But it will help in the sound and look department. also i would go with an X or H pipe over the Y anyways. fairly cheap for a good upgrade.
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Old 07-31-2011, 02:05 PM   #5
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Re: First Mustang - First Post - Need litte advice

I have been looking at the Windstar intake VAP Auto - Windstar Kit but not really sure I am up to tackling a project like that.... The kit appears to include everything except the time and ambition required to actually do the work....
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Old 07-31-2011, 02:16 PM   #6
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Quote:
Originally Posted by Just_John
I have been looking at the Windstar intake VAP Auto - Windstar Kit but not really sure I am up to tackling a project like that.... The kit appears to include everything except the time and ambition required to actually do the work....
Idk, I've talked to steven himself and it seems very simple to do. Shouldn't take more than about 3 hours even if you work slowly.
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Old 07-31-2011, 06:27 PM   #7
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This kit is pretty easy to do. I had a few minor issues and Stephan was very happy to help when I needed it.
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Old 08-01-2011, 08:32 AM   #8
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Re: First Mustang - First Post - Need litte advice

intake, exhaust, underdrive pulley, aluminum driveshaft, lighter wheels, 2 piece rotors, any weight reduction all can help with mileage as well
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Old 08-01-2011, 09:56 PM   #9
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Re: First Mustang - First Post - Need litte advice

A GT takeoff exhaust would probably be your best bet. It retains the 2.25" piping that comes stock, and isn't much louder than your current stock single exhaust.

Having dual pipes is always a good thing, as more flow allows for some slight hp gains and slightly better mileage. Dual exhaust by itself will not net huge mpg gains, but it along with a bunch of other methods will.
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Old 08-01-2011, 09:57 PM   #10
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Re: First Mustang - First Post - Need litte advice

install a back seat delete might help
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Old 08-01-2011, 10:17 PM   #11
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Re: First Mustang - First Post - Need litte advice

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Originally Posted by GTtopgear View Post
install a back seat delete might help
Yah that sheds ~50lbs...makes for a clean look too.
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Old 08-02-2011, 08:17 AM   #12
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Re: First Mustang - First Post - Need litte advice

the rear seat in my 01 coupe was about 45lbs, its not a HUGE difference, its mainly the seat back, the bottom is very light. If you put a delete kit expect 5-10lbs to go BACK into the car depending on brand and if it will be sat on.
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Old 08-02-2011, 11:54 AM   #13
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Quote:
Originally Posted by SpectorV
the rear seat in my 01 coupe was about 45lbs, its not a HUGE difference, its mainly the seat back, the bottom is very light. If you put a delete kit expect 5-10lbs to go BACK into the car depending on brand and if it will be sat on.
Uhm with a rear seat delete, you can't have anyone sitting there...
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