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Hey just picked up an 03 Mach I. Im new to mustangs and forums had an SRT before :p Any info id need to know on the car. I dont know on whether to get gears or not I dont want to sacrifice gas too much but they again I did choose a v8. Also idk what exhaust setup to get. Currently I just have a steeda ST and k&n drop in
 

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Not a Rational Car Guy
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:welcome to MM :)

&

:pics
 

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mm's nitrous mod
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cat back is just personal preference of what kind of sound you want. gears, stock are 3.55's, atleast do a 3.90 to make any difference at all. i personally would go ahead and do a 4.10 since its a 4v.

and welcome to the board.
 

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MM's Orangest
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Don't fear the gear. I didn't notice any change in going to 4.10s. I wish I would have went with 4.30s.
 

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Welcome, and depending on experience really. I would fork over the 100$ for the install and shimming that a speed shop can do easily with better results.
 

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Premium Member
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o thats all it cost? i thought it would be something outrages like 500+ to install
no they are not that expensive. Now the "outrageous" costs come when you want a shop to install long tubes if you dont know how to do it yourself:yes
 

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well i paid 400 for the whole set up. that includes the shop buy the gears, shim kit, transmission oil, work hours. It was normally 500 but it went quick and i was a frequent customer. So when he showed me the bill the install was like 100 said and done with the oil which was royal purple. Just find a shop that does it often and it should be less than $200 for a routine install if you already have the parts?
 

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no they are not that expensive. Now the "outrageous" costs come when you want a shop to install long tubes if you dont know how to do it yourself:yes
i was quoted 800$.... this was with the 4.6 sn95. I already had the long tubes.
 

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Noob Slayer
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when i did 4:10s on my gt the improvement was great. and you dont totally lose top end performance wise unless you like crusing at 80 + like me, that was the only thing i didnt like
 
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