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hello everybody. i have a 2002 v6 mustang and right now it is completely stock. i'm wanting to dual out my exhaust and add a flowmaster also. i was wondering if anyone knew what size inlet and outlet i would need and any helpful hints or suggestions would be great. i am also thinking about putting a cold air intake on my car and i'm open to any other improvements that are simple to make that will help with horsepower. all help is appreciated.
 

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stock is 2.5"? if so you do not want to go any bigger then that for duals. Also if your looking at doing it yourself, get an adapter, its a real pain in the ass if you dont have one. I know from experience. If your goind to take it to a shop and get the exhaust done. Talk with the sales guy once your cars up off the ground and tell him you want to eliminate the Y to a || it will be easier for them and youll get some nice sounds groaning from the car.
As far as CAI I would recommend a demolet intake, or you could make your own custom one, fairly easy.
 

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lcurle said:
stock is 2.5"? if so you do not want to go any bigger then that for duals. Also if your looking at doing it yourself, get an adapter, its a real pain in the ass if you dont have one. I know from experience. If your goind to take it to a shop and get the exhaust done. Talk with the sales guy once your cars up off the ground and tell him you want to eliminate the Y to a || it will be easier for them and youll get some nice sounds groaning from the car.
As far as CAI I would recommend a demolet intake, or you could make your own custom one, fairly easy.

Keep in mind your goals for the car. If it's 250+ hp, go with an h- or x-pipe. Best diameter is 2.0-2.25" for naturally aspirated. 2.5" is best only if you're going with N2O or some sort of power adder.


You can either get a kit from Flowmaster, Spintech, Bassani, Magna flow, etc, or you can use a GT takeoff system, with an H-pipe.

The GT takeoffs will be the most cost effective, but you will lose quite a bit of low-end hp/tq unless you have the shop put in a couple of reducer pipes. They'll know what those are.
 
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